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 4140-01-256-6201
NSN 4140-01-023-1537
NSN 4140-01-313-1050
NSN 5996-00-844-6227
NSN 6110-01-524-7465
NSN 5950-01-565-0460
NSN 5915-01-354-7548
NSN 5998-01-426-5238
NSN 5920-01-159-4055
NSN 5996-00-693-9568
NSN 5965-01-415-1521
NSN 7035-01-359-7460