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 6150-01-211-6659
NSN 2925-01-604-8984
NSN 6620-00-189-0967
NSN 4140-00-787-8531
NSN 4140-00-980-0467
NSN 6135-00-753-2276
NSN 6650-00-191-9000
NSN 6610-01-652-7448
NSN 4140-01-312-2361
NSN 5930-00-959-6346
NSN 5905-01-268-7158
NSN 5990-00-133-0102