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 5999-00-846-1522
NSN 5945-01-385-6103
NSN 6220-00-493-5162
NSN 4140-00-193-8879
NSN 5935-01-333-1241
NSN 5925-01-607-6563
NSN 5990-01-136-4068
NSN 5855-00-174-3482
NSN 6620-00-270-3275
NSN 6110-00-967-4257
NSN 6240-00-686-5345
NSN 5965-00-554-4138