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 5990-01-131-2008
NSN 5905-00-080-4167
NSN 4140-01-634-0330
NSN 6645-01-367-7201
NSN 5999-00-253-0259
NSN 5925-01-550-8457
NSN 4140-01-061-9849
NSN 6650-01-365-4286
NSN 6150-01-063-5850
NSN 5990-01-124-4291
NSN 5920-01-258-3664
NSN 4140-00-912-1904