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 4140-01-490-6087
NSN 6620-01-225-3245
NSN 6650-00-989-6991
NSN 5935-00-409-4247
NSN 2925-01-327-3069
NSN 5998-01-212-0030
NSN 5930-00-786-0139
NSN 5855-01-177-4751
NSN 6105-00-893-3139
NSN 5855-00-221-9435
NSN 7035-01-365-6246
NSN 5835-01-436-1797