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 4140-01-012-2460
NSN 2925-01-331-5039
NSN 5910-00-892-3187
NSN 6650-01-559-2934
NSN 5985-01-200-7497
NSN 6150-01-381-1034
NSN 6610-00-922-3333
NSN 5985-01-351-1933
NSN 6685-01-443-2983
NSN 4140-00-260-9521
NSN 5985-01-399-4452
NSN 6220-01-549-7159