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 6130-01-618-4822
NSN 5950-00-932-9265
NSN 5950-00-375-6285
NSN 5985-01-534-7913
NSN 6645-01-275-5328
NSN 6135-00-567-1322
NSN 5950-01-178-6306
NSN 6650-01-388-1140
NSN 5998-01-473-2195
NSN 5920-01-317-6642
NSN 5930-01-512-1241
NSN 5960-01-474-4843