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.
NSN 5999-01-657-0722
NSN 5950-00-111-2000
NSN 4140-00-523-1626
NSN 6620-01-200-8176
NSN 7035-01-543-3236
NSN 5915-00-781-3019
NSN 5998-00-152-5105
NSN 5935-01-315-0894
NSN 6645-01-289-6298
NSN 6110-01-245-8948
NSN 6150-01-040-3126
NSN 5999-01-575-1292