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 4140-01-105-9471
NSN 6150-01-146-5294
NSN 5990-01-529-6347
NSN 4140-01-273-4891
NSN 5999-01-307-4578
NSN 6220-00-375-0473
NSN 5965-00-182-7928
NSN 5855-01-633-7796
NSN 5910-01-206-9416
NSN 5835-01-245-8077
NSN 6145-00-154-1360
NSN 5925-00-186-8669