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 5985-01-309-8777
NSN 6320-00-553-8427
NSN 4140-01-051-0421
NSN 2925-00-446-5401
NSN 5950-01-558-6135
NSN 6650-00-590-9073
NSN 6130-00-269-8273
NSN 6650-01-089-3292
NSN 5990-01-219-2703
NSN 6135-00-660-8654
NSN 6105-01-497-5132
NSN 5965-01-604-0409