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 5998-00-727-4426
NSN 6130-01-278-5161
NSN 6145-01-468-5467
NSN 5930-01-590-7311
NSN 6650-00-618-9398
NSN 6240-01-588-4782
NSN 5905-00-452-5531
NSN 5990-01-283-7062
NSN 4140-00-262-9921
NSN 5998-01-642-1957
NSN 6620-01-142-8494
NSN 5985-00-679-9529