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 6645-00-664-4665
NSN 6145-00-806-9389
NSN 5905-01-398-1231
NSN 5920-00-833-2807
NSN 5996-01-244-3450
NSN 6145-01-445-3864
NSN 5915-01-586-0890
NSN 5965-01-278-8218
NSN 5998-01-626-3205
NSN 6135-00-299-6918
NSN 5930-01-378-6882
NSN 5996-01-372-2154