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 5855-01-344-3706
NSN 4140-01-168-7685
NSN 5905-01-606-3062
NSN 5999-00-475-8522
NSN 5990-01-285-4633
NSN 6135-00-223-9563
NSN 6240-01-469-7324
NSN 5999-00-132-2720
NSN 5965-01-450-7694
NSN 5975-00-257-2793
NSN 5935-01-308-6664
NSN 6135-01-091-6021