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 5920-00-175-7987
NSN 2925-00-574-8796
NSN 6320-01-612-7035
NSN 5930-00-915-5141
NSN 5950-00-278-4186
NSN 5920-01-462-5355
NSN 6130-01-474-5190
NSN 5990-00-226-1152
NSN 5996-01-222-1898
NSN 6320-01-527-0211
NSN 6610-00-388-9188
NSN 4140-01-332-0541