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 5920-01-394-0636
NSN 5999-00-225-8612
NSN 6645-00-192-1152
NSN 6650-01-171-4129
NSN 4140-01-633-3046
NSN 6145-01-081-3182
NSN 6685-00-080-2110
NSN 4140-00-113-1279
NSN 5975-00-290-4285
NSN 6650-01-167-5604
NSN 6320-00-925-0558
NSN 6110-01-557-0116