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 5935-01-494-3642
NSN 6610-01-425-3905
NSN 7035-00-206-6123
NSN 5930-01-275-8315
NSN 5910-00-975-5061
NSN 6105-00-008-6140
NSN 6150-00-290-8125
NSN 6645-01-294-2479
NSN 6645-00-899-1235
NSN 5930-01-145-4100
NSN 5915-00-972-1605
NSN 6130-00-111-1320