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 5990-00-787-4438
NSN 5998-00-903-9182
NSN 5855-01-475-1987
NSN 2925-01-248-6028
NSN 5975-01-178-3383
NSN 5985-01-527-2898
NSN 6135-00-733-9665
NSN 5930-00-101-5391
NSN 5998-01-225-7954
NSN 5998-00-795-2199
NSN 6150-00-964-7303
NSN 5985-01-084-5308