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 5975-01-472-2159
NSN 5985-01-531-3984
NSN 5999-01-483-4741
NSN 5905-00-729-8439
NSN 6145-00-369-3880
NSN 5920-01-360-5681
NSN 5925-01-120-3837
NSN 5930-00-232-8466
NSN 6240-00-793-1807
NSN 5999-01-023-7997
NSN 6130-00-397-7690
NSN 6150-01-595-9541