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 6620-01-420-7465
NSN 6320-01-294-7161
NSN 4140-00-163-6200
NSN 2925-01-550-0177
NSN 6645-01-202-7986
NSN 5965-00-236-0016
NSN 5985-00-186-8755
NSN 6220-00-212-9098
NSN 5990-00-524-2293
NSN 5910-01-472-6766
NSN 5920-01-461-7676
NSN 5930-01-423-8554