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 5975-01-146-5663
NSN 5999-01-014-2561
NSN 5950-00-300-2394
NSN 6110-01-390-9396
NSN 4140-01-447-2419
NSN 6220-01-164-7654
NSN 6145-00-553-8196
NSN 5960-01-474-4843
NSN 6240-01-604-1293
NSN 6145-01-104-5084
NSN 5950-01-301-5816
NSN 5965-01-523-3153