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 5999-00-919-1722
NSN 5999-01-078-0507
NSN 5835-01-651-7208
NSN 5975-01-462-6966
NSN 6685-01-173-6987
NSN 6105-00-539-0393
NSN 5975-01-420-3369
NSN 2925-01-330-2988
NSN 5910-00-833-8298
NSN 5920-01-582-2547
NSN 5835-00-289-9080
NSN 6620-00-940-0859