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 6645-01-162-8023
NSN 5920-00-736-0796
NSN 5930-01-548-6135
NSN 4140-01-625-1913
NSN 6145-01-193-7036
NSN 6645-01-205-0549
NSN 6645-01-633-1852
NSN 6650-00-966-5205
NSN 6320-01-532-7491
NSN 5945-01-461-9291
NSN 5996-00-381-4878
NSN 5945-01-513-8305