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 5990-01-595-9441
NSN 6620-01-309-1287
NSN 5996-01-099-2841
NSN 2925-00-915-1827
NSN 6145-00-936-0083
NSN 6685-01-407-5497
NSN 6135-00-461-3590
NSN 6610-00-456-0485
NSN 5996-01-117-6882
NSN 5975-00-061-7035
NSN 6650-01-633-9147
NSN 4140-01-392-4664