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 6150-01-105-1764
NSN 4140-01-505-2177
NSN 6135-00-973-5632
NSN 4140-01-208-4829
NSN 6320-01-082-2970
NSN 5855-01-205-7030
NSN 6145-00-526-3056
NSN 5999-01-301-4805
NSN 6320-00-242-3300
NSN 2925-00-081-3547
NSN 5960-00-240-2001
NSN 6620-00-707-4195