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 5975-01-012-4775
NSN 5910-01-169-4110
NSN 4140-00-513-1089
NSN 6240-01-392-5991
NSN 6135-01-205-5965
NSN 6105-01-263-2248
NSN 5915-00-294-9419
NSN 6150-00-153-9361
NSN 5925-01-641-6392
NSN 5999-01-309-1312
NSN 6150-01-292-6990
NSN 5930-01-384-5473