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 6620-01-174-0308
NSN 6685-01-189-0503
NSN 6610-01-542-8511
NSN 6110-00-831-3727
NSN 6130-01-312-3510
NSN 5965-01-279-1075
NSN 5975-01-599-9387
NSN 5920-01-469-3058
NSN 4140-01-513-1316
NSN 6145-01-257-4465
NSN 5990-01-097-4721
NSN 5895-01-128-9946