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 6320-01-335-8336
NSN 6105-00-935-5256
NSN 6150-00-875-0739
NSN 6145-00-326-5556
NSN 7035-00-553-6951
NSN 5950-01-375-1643
NSN 5925-01-066-5320
NSN 4140-00-052-4815
NSN 6685-00-061-4146
NSN 5905-00-140-3435
NSN 7035-00-511-8617
NSN 6650-01-557-1080