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 4140-00-597-5260
NSN 5999-01-058-5683
NSN 6150-00-421-0103
NSN 6220-01-492-9403
NSN 5915-01-440-9298
NSN 5945-01-582-4237
NSN 6135-00-161-0746
NSN 5985-00-308-6341
NSN 5935-01-649-5378
NSN 6130-01-115-5331
NSN 5990-00-269-2226
NSN 6145-01-026-5519