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 4140-00-365-2531
NSN 6650-01-528-7570
NSN 5999-00-568-5866
NSN 4140-00-629-5574
NSN 6685-01-210-8175
NSN 5990-01-481-0164
NSN 4140-00-790-4691
NSN 5835-01-485-0210
NSN 6610-01-096-0894
NSN 6650-00-924-3340
NSN 6110-01-007-7853
NSN 5835-01-536-6241