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 4140-01-421-1132
NSN 5930-01-494-0157
NSN 5925-01-317-8441
NSN 4140-01-452-9428
NSN 6110-01-423-5138
NSN 6645-00-484-1992
NSN 5999-00-905-6936
NSN 5998-01-003-5610
NSN 6105-01-491-3006
NSN 5985-01-195-4028
NSN 6620-00-596-1951
NSN 6650-01-458-5872