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M83248/1-012 (mcm83248-012-mas.jpg)
Part Number MCM83248/1-012

MCM83248/1-012, O-RING

Part # MCM83248/1-012

O-RING


$0.75 Retail Price: $0.74
In Stock
Must Order in Quantities of 10

Product Details

Specifications

Approval
FAA PMA
Condition
New
Manufacturer
McFarlane Aviation
Dimensions
N/A
Weight
0.0001 lbs
Unit of Measure
Each
McFarlane Part Number
MCM83248/1-012

Product Description

The MCM83248 series o-rings are fuel proof FAA-PMA replacement o-rings. Only McFarlane has FAA approval to replace the old, less fuel resistant nitrile (MS series) and synthetic rubber (NAS series) o-rings with the latest fuel proof fluorocarbon o-rings! Flurocarbon rubber is commonly known as Viton. It is an advanced rubber that has extremely good fuel and heat resistance and is ideally suited for aircraft fuel system applications.

If you are looking for standard non FAA-PMA M83248 series o-rings, go to O-Rings and Gaskets. 

McFarlane also has complete fuel selector, fuel shut off valve, and fuel strainer seal kits with all required seals and gaskets. Go to Fuel Selector/Shut-Off Valve Seal Kits or Fuel Strainer Parts to find the kit for your aircraft.

WARNING: Cancer and/or Reproductive Harm - California Proposition 65 Resources

Eligible Aircraft
Make Model Start S/N End S/N Quantity Per Aircraft Location Eligibility Chart
Cessna 170B170BS/N 20286 – 2716927169Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 172172S/N 28000 – 4675446754Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 172A172AS/N 46755 – 4774647746Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 172B172BS/N 17247747 – 1724873417248734Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 172C172CS/N 17248735 – 1724954417249544Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 172D172DS/N 17249545 – 1725057217250572Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 172E172ES/N 17250573 – 1725182217251822Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 172F (T-41A)172F (T-41A)S/N 17251823 – 1725339217253392Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 172G172GS/N 17253393 – 1725489217254892Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 172H (T-41A)172H (T-41A)S/N 17254893 – 1725651217256512Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 172I172IS/N 17256513 – 1725716117257161Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 172K172KS/N 17257162 – 1725922317259223Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 172L172LS/N 17259224 – 1726075817260758Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 172M172MS/N 17260759 – 1726345817263458Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 172M172MS/N 17263459 – 1726758417267584Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 172N172NS/N 17267585 – 1727400917274009Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 172P172PS/N 17274010 – 1727665417276654Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 172Q172QS/N 17275869 – 1727621117276211Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 172R172RS/N 17280001 – 1729999917299999Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 172RG172RGS/N 172RG0001 – 172RG1191172RG1191Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 172S172SS/N 172S8001 – 172S99999172S99999Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna F172DF172DS/N F172-0001 – F172-0018F172-0018Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna F172EF172ES/N F172-0019 – F172-0085F172-0085Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna F172FF172FS/N F172-0086 – F172-0179F172-0179Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna F172GF172GS/N F172-0180 – F172-0319F172-0319Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna F172HF172HS/N F17200655 – F17200754F17200754Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna F172HF172HS/N F172-0320 – F172-0654F172-0654Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna F172KF172KS/N F17200755 – F17200804F17200804Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna F172LF172LS/N F17200805 – F17200904F17200904Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna F172MF172MS/N F17200905 – F17201234F17201234Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna F172MF172MS/N F17201235 – F17201514F17201514Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna F172NF172NS/N F17201515 – F17202039F17202039Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna F172PF172PS/N F17202040 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna FP172FP172S/N FP172-0001 – FP172-0003FP172-0003Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna FR172EFR172ES/N FR17200001 – FR17200060FR17200060Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna FR172FFR172FS/N FR17200061 – FR17200145FR17200145Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna FR172GFR172GS/N FR17200146 – FR17200225FR17200225Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna FR172HFR172HS/N FR17200226 – FR17200350FR17200350Quantity Per Aircraft 2Location fuel valveEligibility Chart 1610
Cessna FR172JFR172JS/N FR17200351 – FR17200590FR17200590Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna FR172KFR172KS/N FR17200591 – FR17200675FR17200675Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna P172DP172DS/N P17257120 – P17257188P17257188Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna R172KR172KS/N R1722000 – R1723454R1723454Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 175175S/N 55001 – 5623856238Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 175A175AS/N 56239 – 5677756777Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 175B175BS/N 17556778 – 1755700217557002Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 175C175CS/N 17557003 – 1755711917557119Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 177177S/N 17700001 – 1770116417701164Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 177A177AS/N 17701165 – 1770137017701370Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 177B177BS/N 17701371 – 1770275217702752Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 177RG177RGS/N 177RG0283 – 177RG1051177RG1051Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 177RG177RGS/N 177RG1052 – 177RG1366177RG1366Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna F177RGF177RGS/N F177RG0063 – F177RG0160F177RG0160Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna F177RGF177RGS/N F177RG0161 – F177RG0177F177RG0177Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 180K180KS/N 18052771 – 1805320318053203Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 182E182ES/N 18253599 – 1825442318254423Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 182F182FS/N 18254424 – 1825505818255058Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 182G182GS/N 18255059 – 1825584418255844Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 182H182HS/N 18255846 – 1825668418256684Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 182J182JS/N 18256685 – 1825762518257625Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 182K182KS/N 18257626 – 1825850518258505Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 182L182LS/N 18258506 – 1825930518259305Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 182M182MS/N 18259306 – 1826005518260055Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 182N182NS/N 18260056 – 1826082518260825Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 182P182PS/N 18260826 – 1826246518262465Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 182Q182QS/N 18265176 – 1826771518267715Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 182R182RS/N 18267716 – 1826858618268586Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 182S182SS/N 18280001 – 1828094418280944Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 182T182TS/N 18280945 – 182999999182999999Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna A182JA182JS/N A182-0001 – A182-0056A182-0056Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna A182KA182KS/N A182-0057 – A182-0096A182-0096Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna A182LA182LS/N A182-0097 – A182-0116A182-0116Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna A182NA182NS/N A182-0117 – A182-0146A182-0146Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna F182PF182PS/N F18200001 – F18200025F18200025Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna F182QF182QS/N F18200026 – F18200169F18200169Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna FR182FR182S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna R182R182S/N R18200001 – R18202041R18202041Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna T182T182S/N 18267716 – 1826854118268541Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna T182TT182TS/N T18208001 – T182999999T182999999Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna TR182TR182S/N R18200584 – R18202041R18202041Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 185B185BS/N 185-0513 – 185-0653185-0653Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 185C185CS/N 185-0654 – 185-0776185-0776Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 185D185DS/N 185-0777 – 185-0967185-0967Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 185E185ES/N 185-0968 – 185-1149185-1149Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna A185EA185ES/N 18501600 – 1850209018502090Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna A185EA185ES/N 185-1150 – 185-1599185-1599Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna A185FA185FS/N 18503154 – 1850444818504448Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 210-5 (205)210-5 (205)S/N 205-0001 – 205-0480205-0480Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 210-5A (205A)210-5A (205A)S/N 205-0481 – 205-0550205-0550Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 210-5A (205A)210-5A (205A)S/N 205-0552 – 205-0555205-0555Quantity Per Aircraft 1Location fuel valveEligibility Chart 1610
Cessna 210210S/N 57001 – 5757557575Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 210A210AS/N 21057576 – 2105784021057840Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 210B210BS/N 21057841 – 2105808521058085Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 210C210CS/N 21058086 – 2105822021058220Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 210D210DS/N 21058221 – 2105832521058325Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 210D210DS/N 21058327 – 2105835121058351Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 210N210NS/N 21064536 – 2106489721064897Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 210R210RS/N 21064898 – 2106500921065009Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna P210NP210NS/N P21000761 – P21000834P21000834Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna P210RP210RS/N P21000835 – P21000874P21000874Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna T210NT210NS/N 21064536 – 2106489721064897Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna T210RT210RS/N 21064898 – 2106500921065009Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 310F310FS/N 310-0001 – 310-0156310-0156Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 310G310GS/N 310G0001 – 310G0156310G0156Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 310H310HS/N 310H0001 – 310H0148310H0148Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 310I310IS/N 310I0001 – 310I0200310I0200Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 310J310JS/N 310J0001 – 310J0200310J0200Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 310J-1310J-1S/N 310J0001 – 310J0200310J0200Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 310K310KS/N 310K0001 – 310K0245310K0245Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 320320S/N 320-0001 – 320-0110320-0110Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 320-1320-1S/N 320-0001 – 320-0110320-0110Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 320A320AS/N 320A0001 – 320A0047320A0047Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 320B320BS/N 320B0001 – 320B0062320B0062Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 320C320CS/N 320C0001 – 320C0073320C0073Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cessna 320D320DS/N 320D0001 – 320D0130320D0130Quantity Per Aircraft Location fuel valveEligibility Chart 1610
Cross Reference

Reference only: Please verify the product is eligible for your aircraft before adding to your cart.

  • MS29513-012
  • MS29513-12
  • NAS1593-012
  • AF934-7
  • M83248/1-012
FAQs

How do I keep contaminants out of my fuel system?

The fuel selector valve works in unscreened fuel. Contaminated fuel can cause selector valve seal damage. When fueling from possibly contaminated fuel sources McFarlane recommends the use of a fuel filter, such as Mr. Funnel or another filtering device, to reduce trash in the fuel system.

What pressure is used to test the fuel selector valves after repairs?

We pressure test our repaired valves to a minimum of 5 psi using precision controlled air pressure and a calibrated low pressure indicator. This pressure is above the normal fuel pressure on the valve and below the limits of the springs in the valve. Each valve is submerged in Stoddard solvent while the air pressure is applied to the valve. The valves are then tested in each position to assure that there are no inter-port or external leaks. Leaks are detected by looking for air bubbles escaping from the valve.

How do I know when to replace or service my fuel selector valve?

The most common indication of external fuel valve leaks is the smell of avgas in the cabin. Most valves are located under the cabin floor. Fuel stain on the valve and drain plug or drain valve or on the belly of the aircraft can also indicate external leakage. External leaks are generally around the actuation valve stem. Internal leaks are detected when the fuel is turned off and fuel continues to drip during fuel system maintenance. Inner port leakage will allow fuel from one tank to leak into another fuel tank. This type leak is difficult to detect. Fuel transfer from one tank to another with the fuel valve selected to one tank only will indicate inner-port leakage. An extended period of time is needed to detect fuel transfer from one tank to another. Generally if internal leakage is detected when servicing the fuel system, it is likely there is also inner-port leakage. 

Should I use a sealer or lubrication for my Viton gaskets?

The Viton gasket and screw seals do not require any sealer and must not have any lubricants. Do not over tighten the attachment screws as over tightening can extrude the gasket out from under the transmitter and tear the gasket in the screw holes. This will cause a leak. Tighten the screws evenly until you see the gasket just start to extrude a little. Any lubrication will aggravate the tearing of the gasket.

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