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 4140-00-435-5607
NSN 6130-00-419-0695
NSN 5996-01-627-9878
NSN 5930-01-661-2723
NSN 5915-00-726-4700
NSN 7035-00-391-6345
NSN 6150-01-112-0227
NSN 5990-01-318-3238
NSN 5930-01-546-7532
NSN 6220-01-432-2232
NSN 5990-01-089-9694
NSN 5915-00-135-4315