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 4140-01-423-1647
NSN 5930-00-932-4928
NSN 6650-01-569-6358
NSN 6240-01-062-0878
NSN 5915-01-412-1374
NSN 5950-00-112-7200
NSN 7035-01-232-7263
NSN 5855-00-832-9341
NSN 6110-01-398-1507
NSN 5915-01-529-0577
NSN 6220-01-243-8661
NSN 5990-00-136-0991