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 4140-01-586-0622
NSN 6320-01-366-5157
NSN 5996-01-436-3322
NSN 5998-01-172-5914
NSN 5975-00-789-3149
NSN 6135-01-633-8502
NSN 5990-01-641-2217
NSN 5910-01-099-9522
NSN 6130-01-413-5016
NSN 5998-01-136-3773
NSN 5998-00-509-5069
NSN 2925-01-470-5534