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 5905-00-481-1018
NSN 5975-00-532-5870
NSN 6110-01-143-3211
NSN 5950-01-260-3841
NSN 5996-00-805-9340
NSN 6320-01-592-6248
NSN 6110-00-135-4906
NSN 5960-01-649-1341
NSN 5990-01-395-4194
NSN 5960-00-452-0452
NSN 5950-00-998-2110
NSN 5975-01-143-1920