Reference number 138709 is a quick reference find number
A circular shaped item designed to be installed in a specially prepared groove or counterbore to provide a low pressure seal. It may be supplied in various cross-sectional shapes and is cut through at one point to allow for installation and fitting. Excludes items whose primary function is to provide sealing, wiping, or wearing surface capabilities for piston configurations. See also ring, piston and ring, wiper.
Classification: Gaskets,washers & other seals
NSN 5925-01-029-1591
NSN 5990-01-311-7491
NSN 6685-01-490-6353
NSN 6650-01-449-1413
NSN 5945-01-323-4997
NSN 6685-00-332-2655
NSN 6135-01-422-1440
NSN 5925-00-481-4090
NSN 6685-00-294-6315
NSN 4140-00-146-1633
NSN 5998-01-621-8572
NSN 5985-01-205-1954