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 5990-01-277-2118
NSN 6145-00-583-3940
NSN 6150-01-199-7269
NSN 6220-01-471-7678
NSN 5975-00-189-0093
NSN 6650-00-597-7313
NSN 5930-00-619-5782
NSN 5910-01-352-5068
NSN 5998-00-654-5278
NSN 6240-01-082-5552
NSN 5910-00-542-8125
NSN 5975-01-023-1707