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 5835-01-612-4753
NSN 5935-01-523-4641
NSN 5965-00-605-8239
NSN 5905-01-359-4788
NSN 5930-00-707-4138
NSN 6150-01-513-6802
NSN 5965-01-384-4912
NSN 6645-00-372-2618
NSN 6650-00-346-9106
NSN 6240-00-681-2795
NSN 5950-01-543-4195
NSN 5915-01-646-4034