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 5920-01-168-3232
NSN 5990-01-014-1280
NSN 5935-01-015-4498
NSN 5910-01-445-0030
NSN 5945-00-769-6911
NSN 5930-00-887-0838
NSN 6650-01-457-0980
NSN 6220-01-173-3177
NSN 5996-00-583-9498
NSN 6130-01-500-9845
NSN 5925-01-359-6329
NSN 6650-00-416-2953