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 5935-00-125-2449
NSN 6135-01-502-5787
NSN 6110-01-633-9660
NSN 6110-00-223-2081
NSN 6320-01-393-7022
NSN 6650-01-586-0426
NSN 5999-01-069-3371
NSN 6620-01-345-9488
NSN 5999-01-441-8998
NSN 2925-01-462-1620
NSN 5855-01-337-0245
NSN 6620-00-589-5250