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 4140-01-217-6290
NSN 5855-01-235-5491
NSN 6650-01-290-4001
NSN 5998-01-302-6547
NSN 6110-01-462-1305
NSN 5990-01-507-7495
NSN 7035-01-266-3490
NSN 6320-01-160-8578
NSN 5910-01-398-4888
NSN 6130-01-575-2918
NSN 5965-01-510-3456
NSN 6135-01-040-1446