No other part numbers with same form, fit, and function found.
A cylindrical or ball-shaped item fabricated of solid rubber, having a hole running through its center through which a threaded stem is inserted. A wing nut, two washers and the stem are supplied to apply pressure, thereby expanding the ball and plugging up inlet and outlet opening in radiators. It is used to locate leaks in the core or tank of a radiator and the like.
NSN 5855-00-484-8638
NSN 5945-01-196-0000
NSN 5895-01-562-6262
NSN 5895-01-031-0352
NSN 6105-01-192-9892
NSN 6620-00-736-8457
NSN 6105-01-027-1135
NSN 6105-01-159-2223
NSN 5835-01-424-4577
NSN 6130-01-515-2288
NSN 6150-01-179-3597
NSN 5960-01-375-6815