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 5915-01-400-4165
NSN 5925-01-590-9058
NSN 6130-01-158-6139
NSN 5990-01-337-9859
NSN 6220-00-233-7436
NSN 5920-01-528-9628
NSN 5960-01-512-0233
NSN 4140-01-201-4359
NSN 5975-01-279-8819
NSN 5895-00-576-8453
NSN 2925-01-177-1598
NSN 6220-01-375-2965