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 5930-00-144-4994
NSN 5990-00-394-3987
NSN 6650-01-306-8352
NSN 6645-00-764-0412
NSN 6145-01-395-2136
NSN 5910-00-906-2498
NSN 5930-01-400-6126
NSN 5915-00-537-7364
NSN 5905-00-249-6835
NSN 5915-01-441-7857
NSN 6650-00-847-3492
NSN 5975-01-382-4618