McFarlane Aviation Products - A62-INV

Part Number: A62-INV

VALVE, Oil Drain, 5/8""-18

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Product Details

  • 5/8-18 UNF
  • 3/8" hose adapter
  • 2011 Aluminum, 302 Stainless
  • For non-certified aircraft only


Thread: "UNF" (Fine thread) type are straight, non-sealing threads that rely on an O-ring to provide a seal. "NPT" (Pipe thread) type are tapered thread that seal as they are tightened. Others are metric threads. Measure the O.D. of the thread on the valve you are replacing and compare to the thread specifications table to determine the correct thread size.
Open Action: "Spiral" valves require a push and turn action to open. "Push" valves require a push action to open.
Hose Adapter Size: A hose may be attached to the valves for ease of draining. The size indicated is the hose I.D.



SAF-AIR Lock Open Oil Drain Valves
High Quality, Low Price! 


Changing hot engine oil has never been easier! No wrench is needed to remove the drain plug. A simple push and turn locks it in the open position. Manufactured from anodized aluminum and stainless steel components, providing strength and durability.


  • Push and turn to lock open 
  • Effortless operation with sure grip knob
  • Double sealed to prevent leakage
  • Maintenance Tips


All valves can be rebuilt. Find the replacement O-ring kit for your SAF-AIR valve: O-Ring Kits.

All SAF-AIR O-rings are made of Viton.


Eligible Aircraft

Make Series Model Beginning S/N Ending S/N Eligibility Chart
Many Many Many 0 ZZZZZZZZZZZZZZZ 6637

Related Documents

Safety Data Sheets (SDS)

SAF-AIR Anti-Seize Lubricant

Installation, Use, and Maintenance Instructions

SAF-AIR Fuel Drain Valve Installation and Maintenance Instructions

Eligibility Charts

SAF-AIR Vendor Eligibility Reference

Frequently Asked Questions

How do I maintain my fuel and oil drain valves?

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Please verify product details for suitability for your application.

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