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 5996-00-916-7415
NSN 6650-00-175-1342
NSN 6650-01-206-0037
NSN 5920-00-238-6491
NSN 5835-00-180-7555
NSN 5910-00-186-8526
NSN 4140-00-392-7235
NSN 6240-01-233-8382
NSN 6220-01-519-9305
NSN 5935-01-156-9013
NSN 5999-00-525-4320
NSN 5935-01-441-5771