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 5950-01-508-4244
NSN 4140-01-414-3549
NSN 5920-00-317-2219
NSN 5930-01-563-8334
NSN 6650-01-030-5545
NSN 5998-01-188-6234
NSN 5925-00-666-4753
NSN 6320-01-583-6809
NSN 5998-00-295-3694
NSN 5910-00-935-0337
NSN 5996-00-369-5299
NSN 6220-01-610-6565