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 6240-00-578-6820
NSN 5975-00-428-1683
NSN 6650-01-056-6440
NSN 5945-00-934-7883
NSN 6135-01-153-8027
NSN 5945-00-603-0460
NSN 5905-01-587-6138
NSN 6135-00-474-1397
NSN 5910-01-338-4980
NSN 5965-00-903-6298
NSN 6130-01-563-6001
NSN 5945-01-258-6587