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 5990-01-057-4191
NSN 6220-00-871-0681
NSN 2925-00-957-7329
NSN 5999-01-510-6360
NSN 6220-01-352-0396
NSN 5975-01-571-8930
NSN 5915-00-032-9734
NSN 5965-01-218-5003
NSN 5990-00-357-8103
NSN 5975-00-370-1515
NSN 6620-00-868-2147
NSN 6150-01-003-8940