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 6650-01-420-9247
NSN 5998-01-188-8947
NSN 6135-00-930-5372
NSN 5905-01-537-0022
NSN 5998-01-626-4274
NSN 5935-01-573-7478
NSN 6145-01-642-6054
NSN 6650-01-223-3113
NSN 5915-01-288-5929
NSN 5915-00-523-1968
NSN 5925-01-044-5508
NSN 6645-00-467-6094