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 6320-00-674-1361
NSN 6620-01-580-0883
NSN 4140-01-643-9910
NSN 5965-01-650-1764
NSN 6610-01-445-7120
NSN 5905-01-521-0961
NSN 4140-01-005-0154
NSN 5975-00-937-6691
NSN 6130-01-462-2425
NSN 5895-00-153-2595
NSN 5855-01-125-9167
NSN 5998-01-077-5000