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 5975-00-231-2985
NSN 4140-01-602-3175
NSN 5835-01-351-8429
NSN 5835-01-315-9948
NSN 6240-00-067-7526
NSN 6620-00-999-2425
NSN 5835-01-408-4212
NSN 5835-00-284-0882
NSN 5998-01-509-2819
NSN 2925-00-433-5429
NSN 5920-01-476-5120
NSN 4140-01-056-4453