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 4140-00-344-0365
NSN 5990-01-196-2953
NSN 2925-01-587-3956
NSN
NSN 5915-01-133-7658
NSN 5915-01-467-9881
NSN 5835-01-257-5342
NSN 6645-01-359-5374
NSN 5999-00-442-4244
NSN 5935-00-181-8672
NSN 5960-01-567-1096
NSN 6145-00-402-5650