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.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 6240-00-456-2578
NSN 4140-01-600-6117
NSN 5930-01-074-6660
NSN 5905-01-275-8971
NSN 6240-01-207-3863
NSN 5930-01-594-2767
NSN 4140-01-159-2639
NSN 5975-00-964-9064
NSN 6145-01-400-1894
NSN 5920-01-604-4033
NSN 6620-00-916-3134
NSN 6610-00-365-4454