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 4140-01-425-5555
NSN 5985-01-012-1682
NSN 6150-00-391-8856
NSN 5990-00-870-7805
NSN 5925-01-642-9276
NSN 6110-01-196-4886
NSN 6610-01-428-3587
NSN 5999-01-216-3649
NSN 6610-01-174-6820
NSN 6645-01-603-7362
NSN 5999-01-306-2170
NSN 5985-01-059-3805