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 5855-01-657-7657
NSN 6145-00-982-4132
NSN 6110-01-452-4120
NSN 4140-00-990-3311
NSN 6105-01-408-8932
NSN 5935-00-308-6783
NSN 5985-01-565-1516
NSN 6320-01-046-5228
NSN 6320-01-264-7611
NSN 5855-01-221-4076
NSN 7035-01-215-2449
NSN 6130-01-602-8267