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 5975-01-159-5227
NSN 6105-01-568-0763
NSN 6240-01-178-9113
NSN 5945-00-816-9717
NSN 6110-01-211-4714
NSN 5990-01-179-5625
NSN 5998-00-418-8835
NSN 5975-01-476-6362
NSN 5999-01-652-8855
NSN 6145-01-570-2597
NSN 4140-01-462-5685
NSN 6110-00-155-4303