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 6240-01-579-0381
NSN 6645-00-940-0774
NSN 6240-01-562-3223
NSN 6240-01-195-1750
NSN 5935-01-436-3693
NSN 6105-01-032-2856
NSN 6110-00-676-7613
NSN 5835-01-408-7576
NSN 5985-01-135-2655
NSN 5835-00-513-9680
NSN 6135-01-481-9031
NSN 4140-01-117-9555