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 4140-01-234-6610
NSN 6145-00-497-1578
NSN 6135-01-163-0332
NSN 5999-01-395-0062
NSN 6320-01-551-3553
NSN 6220-01-243-8661
NSN 5855-01-100-3272
NSN 6650-01-192-9075
NSN 6135-00-816-9052
NSN 5998-01-630-6996
NSN 5945-00-935-6922
NSN 5975-01-414-4461