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 5996-01-244-3450
NSN 5996-01-412-0813
NSN 6320-01-449-1014
NSN 5999-01-115-5362
NSN 6145-01-365-7801
NSN 7035-01-539-9642
NSN 5965-01-446-6945
NSN 5855-00-320-4116
NSN 4140-00-060-4052
NSN 5910-01-577-3359
NSN 4140-01-480-0961
NSN 5910-00-292-0048