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 5990-01-235-8404
NSN 6145-00-482-1724
NSN 6135-01-124-2376
NSN 6620-01-230-0197
NSN 5935-00-526-9270
NSN 5999-01-232-4342
NSN 5910-01-227-1939
NSN 6150-01-572-6768
NSN 5996-00-642-9832
NSN 6135-00-896-3187
NSN 6105-01-227-5159
NSN 5835-01-170-5537