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 5990-01-633-9503
NSN 5998-01-565-7551
NSN 2925-01-196-6187
NSN 7035-00-756-4374
NSN 5930-01-279-8563
NSN 5975-01-328-8548
NSN 5960-01-471-4263
NSN 6645-00-580-9605
NSN 5996-01-381-2876
NSN 5855-01-363-0332
NSN 6130-01-141-7038
NSN 6110-01-536-2198