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 4140-01-384-3998
NSN 6145-01-643-0684
NSN 5910-01-571-8982
NSN 5999-00-499-2422
NSN 5905-01-481-3943
NSN 5945-01-619-2224
NSN 5965-00-954-3011
NSN 4140-00-501-7833
NSN 6130-01-641-2072
NSN 5835-00-911-6330
NSN 5905-01-311-6491
NSN 6150-00-189-0292