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 4140-00-518-2744
NSN 6645-00-061-1885
NSN 5915-01-533-0591
NSN 5975-01-260-7270
NSN 5895-01-045-6446
NSN 5999-00-655-1308
NSN 6130-00-122-6423
NSN 6650-01-352-7111
NSN 5996-01-522-7732
NSN 5930-00-584-4563
NSN 2925-01-139-5144
NSN 5930-01-173-3233