McFarlane Part Number EC72 WASHER, Lock, 12 mm

Part Number: EC72
Description: WASHER, Lock, 12 mm
FAA-PMA
Qty per Aircraft:
Unit of Measure: EACH
Retail Price: $1.25
Inventory Status: Stock
Your Discount Price: $1.04

Qty EACH

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Threaded wear sleeves are used on many McFarlane controls to secure the control to the firewall and/or mounting brackets. Replacement wear sleeve lock washer p/n EC72 for all McFarlane controls with a threaded wear sleeve with 12M x 1.25 thread.

Replacement Parts for McFarlane Push-Pull Controls

We offer a variety of replacement parts to service your McFarlane push-pull controls.

Adjustable Friction Lock Service Kits
Boots
Knobs
Retaining Nuts and Lock Washers
Threaded Wear Sleeve Nuts and Lock Washers
Miscellaneous
Dual Throttle Hardware Kit p/n 6408

Adjustable Friction Lock Service Kits:

Part Number	Description	Use Eligibility
EC12SK	Friction Packing Service Kit	Throttle controls using a 1/2" friction nut
EC312SK	Friction Packing Service Kit	Throttle controls using a 9/16" friction nut

Boots: Fuel, oil and temperature resistant, keeps trash out of the control and dampens vibration.

Part Number	Description	Use Eligibility
235	3/16" Pushrod Boot	Controls with a 3/16" pushrod
272	1/4" Pushrod Boot	Controls with a 1/4" pushrod
EC04	Swivel Boot with Spring Lock	Controls employing a swivel joint

Knobs:

Part Number	Description	Use Eligibility*
6277	Round: R, B, L, or C	MCC1XXDLLL and MCUX24-LLL series controls
6277	Round, engraved with "CHOKE": RC, BC, LC, or CC	MCC1XXDLLL series controls
6277	Round, engraved with "CABIN AIR": RA, BA, LA, or CA	MCUX24-LLL series controls**
6277	Round, engraved with "DEFROST": RD, BD, LD, or CD	MCUX24-LLL series controls**
6277	Round, engraved with "CABIN HEAT": RH, BH, LH, or CH	MCUX24-LLL series controls**
6277	Round, engraved with "PARK BRAKE": RP, BP, LP, or CP	MCUX24-LLL series controls**
6307-BK	Round, Black	Various Cessna controls
6307-RD	Round, Red	Various Cessna controls
6417	T-Handle	MCTXXXX-LLL and MCTLXXX4DLLL series controls
6418	T-Handle, Turn-to-Lock	MCTXXXX-LLL and MCTLXXX4DLLL series controls
6427	4 Prong	MCTXXXX-LLL and MCTLXXX4DLLL series controls
6428	4 Prong, Turn-to-Lock	MCTXXXX-LLL and MCTLXXX4DLLL series controls
6429	Fluted	MCTXXXX-LLL and MCTLXXX4DLLL series controls
6430	Fluted, Turn-to-Lock	MCTXXXX-LLL and MCTLXXX4DLLL series controls
6432	T-Handle, Shortened	MCTXXXX-LLL and MCTLXXX4DLLL series controls
6489	Square: R, B, L, or C	MCUX24-LLL series controls**
6489	Square, engraved with "CARB HEAT": RB, BB, LB, or CB	MCUX24-LLL series controls**
6495	Phenolic, Black: -01B, -02B, -03B or -04B	MCUX24-LLL series controls**
6512	Triangle: R, B, L, or C	MCUX24-LLL series controls**
6570	Red Vernier-Assist Knob	Vernier-Assist Mixture controls
6620	1/4-20 Black Vernier-Assist Knob	Vernier-Assist Throttle controls
6660	T-Handle, Turn-to-Lock, engraved with "Choke Lock"	MCTXXXX-LLL and MCTLXXX4DLLL series controls
6661	Fluted, Turn-to-Lock, engraved with "Cabin Heat Lock"	MCTXXXX-LLL and MCTLXXX4DLLL series controls
6662	Fluted, Turn-to-Lock, engraved with "Airbox Lock"	MCTXXXX-LLL and MCTLXXX4DLLL series controls
EC03	1/4-20 Black Knob	Throttle controls
EC125-1	Hemisphere, Black	Throttle controls
EC53	1/4-20 Black Ball Knob	p/n MC12693-04 and MC455-139 MCT1XXDLLL, MCTLXXX4DLLL, MCTLXXXX-LLL and MCC1XXDLLL series controls

**For all knob options for the MCUX24-LLL Universal Light-Weight Controls, go to Light-Weight Control Knob Options.

Retaining Nuts and Lock Washers: The retaining nut threads onto the threaded section of the control on the back side of the instrument panel to secure the control.

Part Number	Description	Use Eligibility*
6060-8	1/2-20 Retaining Nut	Throttle controls using 1/2-20 threaded fittings
EC111	1/2" Lock Washer	Throttle controls using 1/2" threaded fittings
EC119	3/4-16 Extended Panel Nut	Controls with a 3/4-16 thread
MS35333-40	1/4" Steel Lock Washer	MCT1XXDLLL, MCTLXXX4DLLL, MCTLXXXX-LLL, and MCC1XXDLLL series controls
MS35333-44	Same as EC111
6060-12	3/4-16 Retaining Nut	Throttle controls using 3/4-16 threaded fittings
EC112	3/4" Lock Washer	Throttle controls using 3/4" threaded fittings
MS35333-47	Same as EC112
6133	7/16-20 Retaining Nut	Throttle controls using 7/16-20 threaded fittings
6196	3/4-24 Stainless Steel Jam Nut	MCUX24-LLL series controls
6197	3/8" Lock Washer	MCUX24-LLL series controls
6260	7/16-20 Retaining Nut, Modified	MC6350 dual push-to-unlock controls
EC38	7/16" Lock Washer	p/n MC565-548 series controls
EC61	3/8" Lock Washer	p/n MC12693-04 or MC455-139
EC62	3/8-24 Stainless Steel Retaining Nut	p/n MC12693-04 or MC455-139
EC65	Throttle Spacer Bushing	p/n MC12693-04 or MC455-139

Threaded Wear Sleeve Nuts and Lock Washers: Threaded wear sleeves are used on many McFarlane controls to secure the control to the firewall and/or mounting brackets.

Part Number	Description	Use Eligibility
EC33	1/4-20 Stainless Steel Jam Nut for Knobs	Throttle controls using 1/4-20 threaded fittings (except p/n MC12693-04 and MC455-139)
EC38	7/16" Lock Washer	p/n MC565-548 series controls
EC70	12M x 1.25 Jam Nut	p/n MC565 series controls
EC72	12mm Lock Washer	p/n MC565 series controls

Miscellaneous:

Part Number	Description	Use Eligibility*
6135	1/8" Ball Bearing	MC6150 and MC6250 push-to-unlock controls
6289	Decal, "Carb Heat"	Piper carburetor heat controls
6409	0.05 Allen Wrench	MCTL1014D series controls
6416	Pin, Turn-to-Lock	MCTLXXX4DLLL and MCTLXXXX-LLL series controls
6420	Ferrule, Turn-to-Lock, Brass	MCTLXXX4DLLL and MCTLXXXX-LLL series controls
6423	Ferrule, Turn-to-Lock, Nylon	MCTLXXX4DLLL and MCTLXXXX-LLL series controls
6424	Conduit Terminal	MCT1XXDLLL, MCTLXXX4DLLL, and MCC1XXDLLL series controls
6433-1	Conduit Clamp	MCQ1XXDLLL series controls
6515	Barrel Stop Assembly	MCTL1014D and MCC101D series controls
EC98	9/16" Friction Nut	Throttle controls using a 9/16" friction nut
M83248/1-006	O-ring	MCC1XXDLLL series controls
MS35650-304	Jam Nut	MCC1XXDLLL series controls

Dual Throttle Hardware Kit p/n 6408:

Part Number	Description
6408	Kit contains the following:
6271	2 each Slip Fit Conduit Terminal Assemblies
6270	2 each Cable Stop Assemblies
Hex Wrench	1 each

Use Eligibility*:

Part Number	Description
XX	cable/wire type
LLL	part length
MCUX24-LLL	Universal Light-Weight Control
MCT1XXDLLL	Dual Throttle
MCTLXXX4DLLL	Dual Turn-to-Lock
MCTLXXXX-LLL	Single Turn-to-Lock
MCC1XXDLLL	Dual Control
MCQ1XXDLLL	Dual Quadrant Control