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 4140-01-083-5870
NSN 5998-01-319-4314
NSN 5920-01-393-4526
NSN 5920-01-091-7759
NSN 6135-00-162-2437
NSN 5945-00-521-0536
NSN 6145-01-532-1459
NSN 5965-00-058-6751
NSN 6130-01-630-3059
NSN 5905-01-574-4859
NSN 6240-01-258-6298
NSN 2925-01-649-7543