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 4140-01-033-1238
NSN 5935-01-563-6318
NSN 6135-01-494-8657
NSN 5965-00-583-4865
NSN 6650-01-633-9147
NSN 5925-00-261-6862
NSN 5960-01-471-2656
NSN 6220-00-083-0509
NSN 6150-00-420-2407
NSN 6110-01-447-6813
NSN 6320-01-618-7800
NSN 6110-00-248-7475