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 6645-01-468-4990
NSN 5915-00-623-4788
NSN 6145-01-204-7021
NSN 6150-01-458-8432
NSN 6610-01-352-5500
NSN 5999-01-303-7933
NSN 6320-01-643-0850
NSN 5965-00-378-3403
NSN 5945-01-200-7300
NSN 5996-01-591-4045
NSN 6620-00-915-7868
NSN 5905-00-447-5070