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 5905-01-631-5940
NSN 6645-01-033-1171
NSN 5975-01-605-1450
NSN 6130-01-064-8964
NSN 6650-00-445-6990
NSN 6145-01-523-3569
NSN 6105-00-164-4232
NSN 5895-00-524-2319
NSN 5990-01-537-1553
NSN 4140-00-112-0630
NSN 6135-00-112-8637
NSN 6650-00-234-3275