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 4140-01-091-0270
NSN 4140-01-517-3632
NSN 5905-01-107-5476
NSN 5905-01-170-4414
NSN 5915-01-435-5275
NSN 5855-00-256-5562
NSN 5996-01-613-6927
NSN 5965-01-345-1885
NSN 5935-01-243-1672
NSN 5990-01-555-6616
NSN 5999-00-612-5750
NSN 5975-00-753-7669