No other part numbers with same form, fit, and function found.
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 5930-01-021-6319
NSN 6320-01-328-6575
NSN 5895-01-593-6306
NSN 6240-00-423-6483
NSN 5905-01-211-8719
NSN 6240-01-446-6315
NSN 5855-01-147-6024
NSN 6130-01-181-5475
NSN 5930-01-616-8102
NSN 6105-00-591-3957
NSN 6220-01-473-2116
NSN 6220-01-551-5883