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 5990-01-574-2522
NSN 4140-00-493-9675
NSN 6320-01-412-2973
NSN 6610-01-334-8883
NSN 5910-01-542-8237
NSN 4140-01-633-4965
NSN 6110-01-381-0300
NSN 6620-01-521-9710
NSN 5985-00-189-0953
NSN 6220-01-459-8017
NSN 6135-01-056-4609
NSN 5855-01-580-6760