Hexagonal head to prevent rolling
A small heavy weight with some means of attaching a line at one end. It is used for finding the vertical or perpendicular line to a horizontal plane.
NSN 6110-01-614-6307
NSN 6320-01-388-1067
NSN 5920-01-472-3583
NSN 6145-00-058-8564
NSN 6645-01-071-0727
NSN 5945-01-554-0705
NSN 5905-01-355-8919
NSN 6130-01-461-3964
NSN 5910-01-351-8786
NSN 6620-01-492-8470
NSN 5935-01-399-8330
NSN 5915-01-178-7523