Installed on trigger cam
A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5905-01-578-4080
NSN 5945-01-106-6981
NSN 5915-01-474-4210
NSN 5950-00-526-0658
NSN 5950-01-359-4385
NSN 4140-01-651-2024
NSN 6110-00-132-1330
NSN 6685-01-097-9062
NSN 6145-01-573-1597
NSN 5935-01-378-9152
NSN 6650-01-520-8701
NSN 6620-01-578-7561