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 5895-00-317-5107
NSN 5920-01-141-1741
NSN 6240-01-497-6865
NSN 6110-00-585-8920
NSN 5925-01-632-1897
NSN 5930-00-157-1382
NSN 5950-01-253-2800
NSN 5975-00-900-5000
NSN 6620-01-622-4980
NSN 6610-01-616-4496
NSN 5920-00-269-6178
NSN 6320-00-483-0451