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 6645-01-185-4061
NSN 5920-00-581-9471
NSN 5925-01-464-2030
NSN 6135-01-514-0879
NSN 6220-01-280-5353
NSN 5999-01-214-6348
NSN 5975-01-616-1949
NSN 5960-01-238-7367
NSN 5950-00-215-9161
NSN 5950-01-647-3430
NSN 5999-01-248-2960
NSN 6220-01-392-1429