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 5910-00-818-1635
NSN 6620-01-240-3361
NSN 6320-01-443-8676
NSN 5965-01-595-6134
NSN 4140-00-111-3247
NSN 2925-00-228-8854
NSN 5975-00-674-7974
NSN 5920-01-563-2010
NSN 5965-00-908-1402
NSN 6150-00-614-9568
NSN 6145-00-485-0270
NSN 5945-00-699-1033