Rockwell 55-57
A round, square, hexagonal or octagonal bodied hand tool, having a round tapered section 6-1/2 inches (165.1 mm) or more in length, which terminates in a flat blunt face. See also punch, drive pin; punch, drift and driftpin.
NSN 6610-01-284-0009
NSN 5945-01-202-8363
NSN 6145-01-415-6127
NSN 6645-01-369-2478
NSN 5920-00-142-9993
NSN 6130-01-272-0105
NSN 5905-01-095-3717
NSN 5905-01-063-2338
NSN 5975-01-441-4199
NSN 2925-00-371-2285
NSN 5835-01-561-2959
NSN 7035-00-929-0363