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 5835-01-180-1400
NSN 4140-01-657-2906
NSN 6135-01-260-7180
NSN 6110-01-386-7616
NSN 5960-01-231-3484
NSN 6645-01-384-0628
NSN 5965-01-308-2261
NSN 5999-00-826-7123
NSN 6650-00-862-2142
NSN 5920-01-073-3334
NSN 5920-01-123-9854
NSN 4140-01-197-8148