Discontinued: Oil Quick Drain SA4024NM - O-Ring

AVI-109-7186 covered under STC SA4024NM.

Cross referenced numbers: PN: 109-7186, PN: AVI91511, and PN: 09M-AV-91511-BA

DISCONTINUED as of 10-06-2025

O-Ring Replacement for Auto Valve BJ-107 Quick drains.

Due to great difficulty finding a source for the exact Mil-Spec part number we have discontinued PN: 09M-AVI91511-BA.

Helpful Product Information:

The critical factors are the compatibility with aviation oil, its temperature range and the softness of the material.

Auto Valve, Inc. part number “MIL-R-6855” Class 1 GR60.

It is a Nitrile –ring in size 109. The durometer is 60, making it softer than the more typical 70 durometer. It is a class 1 O-ring, so it has a tolerance of .010 inches.