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 6145-01-306-6060
NSN 6145-00-283-3682
NSN 5998-01-633-6910
NSN 4140-01-044-0144
NSN 6650-01-382-8569
NSN 5945-01-241-2155
NSN 2925-01-522-5631
NSN 5925-00-201-2244
NSN 4140-00-808-9759
NSN 5998-00-100-0491
NSN 6620-01-140-0968
NSN 5960-01-632-6576