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 5996-00-226-5364
NSN 6620-01-350-4898
NSN 2925-01-360-3575
NSN 5999-00-492-2922
NSN 2925-00-351-1015
NSN 5855-00-323-0967
NSN 5999-00-643-5491
NSN 6110-01-513-1992
NSN 5975-01-400-0627
NSN 6650-00-409-4283
NSN 5985-00-495-6971
NSN 6150-01-162-9625