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 4140-00-140-1804
NSN 5930-00-943-1705
NSN 6240-01-034-9457
NSN 5895-01-089-9999
NSN 5895-01-032-4717
NSN 6240-00-231-0761
NSN 6610-01-606-2144
NSN 5965-01-369-8016
NSN 6220-01-391-9531
NSN 6135-00-777-5562
NSN 5965-01-164-0561
NSN 5999-01-109-4051