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 4140-01-254-1649
NSN 5950-01-032-4178
NSN 5965-00-408-5501
NSN 6320-00-731-6134
NSN 6620-01-614-3591
NSN 5930-00-400-1820
NSN 5915-01-092-7780
NSN 5920-01-188-8833
NSN 6150-00-253-6554
NSN 6150-00-391-1981
NSN 4140-01-128-7301
NSN 5925-01-367-4425