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 5925-00-683-2077
NSN 4140-01-208-6568
NSN 5905-01-428-4457
NSN 5855-01-597-4404
NSN 5999-01-606-9233
NSN 6240-01-006-7279
NSN 6135-00-497-0491
NSN 5935-00-400-4219
NSN 5920-00-760-6892
NSN 5930-01-607-8722
NSN 5990-00-351-5479
NSN 6135-01-017-3001