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 6145-00-946-6950
NSN 4140-00-357-8181
NSN 5975-01-566-4496
NSN 6650-00-985-5332
NSN 5920-01-030-0615
NSN 6320-01-541-7585
NSN 5895-01-403-2793
NSN 6240-01-612-5386
NSN 6135-01-314-8416
NSN 6320-00-174-1362
NSN 5999-01-534-7364
NSN 5990-01-087-3103