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 5930-01-047-5343
NSN 5975-01-511-2868
NSN 6240-01-193-1470
NSN 5920-00-409-5630
NSN 5895-01-093-9565
NSN 6220-01-178-6843
NSN 6110-00-146-2114
NSN 2925-01-652-6553
NSN 6645-01-382-7341
NSN 5998-00-275-5223
NSN 5985-01-557-5371
NSN 5999-01-064-2720