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 4140-01-080-0513
NSN 2925-01-424-9341
NSN 7035-00-088-7355
NSN 6620-00-877-3266
NSN 6645-00-869-0850
NSN 5905-01-307-5705
NSN 5996-01-357-5865
NSN 5996-01-409-1860
NSN 6650-01-300-9670
NSN 5945-00-529-0409
NSN 5965-01-134-3949
NSN 5855-01-418-6303