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 4140-01-156-0445
NSN 5960-01-579-1661
NSN 5960-01-250-5502
NSN 5975-00-583-8625
NSN 5930-01-282-2517
NSN 6110-01-514-7459
NSN 5965-00-985-4152
NSN 6240-01-437-6547
NSN 5895-00-788-5964
NSN 5855-01-010-4921
NSN 6135-01-449-2144
NSN 5985-01-009-2305