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 4140-01-442-8479
NSN 5975-00-525-2331
NSN 5996-00-169-4383
NSN 5990-01-492-6575
NSN 6130-01-109-1158
NSN 5895-00-507-3498
NSN 6620-01-542-5569
NSN 5930-00-197-2289
NSN 2925-00-580-4931
NSN 5895-01-601-3814
NSN 6150-00-719-6119
NSN 5855-01-364-8193