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 6240-00-109-5914
NSN 5905-00-392-5508
NSN 4140-01-355-3513
NSN 5985-01-174-1690
NSN 5920-01-195-7563
NSN 5915-01-646-0331
NSN 6145-01-089-2651
NSN 6220-00-051-4198
NSN 5999-00-224-5945
NSN 6135-01-090-5365
NSN 6145-00-330-7581
NSN 6650-00-492-6072