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 5998-00-385-9007
NSN 6240-01-237-5430
NSN 6135-01-067-8331
NSN 5920-01-277-8531
NSN 6320-01-362-4863
NSN 5910-01-048-6600
NSN 6685-00-809-4297
NSN 5950-01-435-5359
NSN 5835-01-357-1247
NSN 4140-00-368-4261
NSN 5935-01-634-0668
NSN 6150-00-883-3331