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 6130-00-615-5727
NSN 6220-01-327-4597
NSN 5910-00-313-7206
NSN 5945-01-634-0588
NSN 7035-01-033-3007
NSN 6320-01-435-5991
NSN 5895-00-847-1801
NSN 6650-01-589-3585
NSN 5990-01-544-0364
NSN 6105-01-462-1657
NSN 5996-01-016-2724
NSN 5855-01-443-0381