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 6650-01-424-3947
NSN 6130-00-299-6920
NSN 6220-00-269-4556
NSN 6130-00-288-1886
NSN 5835-00-764-4388
NSN 6320-01-607-1491
NSN 5905-01-445-7729
NSN 6645-01-380-6111
NSN 5999-00-044-2749
NSN 6220-00-983-4362
NSN 5965-01-257-8926
NSN 5935-01-320-7368