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 4140-01-138-3951
NSN 5965-01-523-1784
NSN 6135-00-967-3112
NSN 2925-01-140-8957
NSN 6130-00-325-0748
NSN 6650-01-084-7377
NSN 5905-01-235-8304
NSN 6220-00-915-0862
NSN 6135-01-100-3593
NSN 5990-00-253-6694
NSN 6685-01-256-6443
NSN 6135-00-519-1325