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 5990-01-602-6701
NSN 5855-01-458-0211
NSN 5990-00-932-3070
NSN 6645-01-500-0827
NSN 4140-01-145-0122
NSN 5985-01-219-1017
NSN 6220-00-254-0427
NSN 4140-00-189-0235
NSN 6320-00-164-4087
NSN 6620-00-262-3113
NSN 5960-00-946-7767
NSN 6240-00-580-0666