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 5835-01-412-6901
NSN 6220-00-144-8043
NSN 4140-01-142-6443
NSN 6110-01-106-2708
NSN 5915-00-636-9785
NSN 4140-01-106-2283
NSN 5910-00-899-2122
NSN 5930-00-792-0798
NSN 6620-01-121-4019
NSN 5996-00-683-5176
NSN 5915-01-579-4810
NSN 6650-01-633-9147