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 4140-01-279-1749
NSN 6220-00-998-3476
NSN 5990-00-103-0528
NSN 5905-00-721-4378
NSN 6130-00-100-0175
NSN 5910-01-236-8051
NSN 5996-00-930-4466
NSN 6320-00-036-3688
NSN 5960-00-661-0477
NSN 5905-00-054-0747
NSN 6135-01-187-0033
NSN 5905-00-435-2604