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 5998-01-043-6206
NSN 5920-01-655-8624
NSN 6110-01-564-9952
NSN 6150-01-153-2796
NSN 6110-01-633-9660
NSN 5990-00-524-2293
NSN 4140-00-258-3612
NSN 6150-01-634-0575
NSN 6110-01-094-3907
NSN 6240-00-187-4306
NSN 5965-00-675-8799
NSN 6150-00-827-0081