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 4140-01-474-5524
NSN 5960-01-617-6345
NSN 5930-01-580-0357
NSN 5960-01-294-2397
NSN 6150-01-509-0407
NSN 5930-01-381-7411
NSN 6145-01-157-0947
NSN 6240-01-116-3382
NSN 5905-01-500-4400
NSN 5835-00-841-2650
NSN 5915-00-798-5618
NSN 6220-01-199-4842