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 5999-00-666-3838
NSN 6320-01-513-9166
NSN 7035-01-474-0244
NSN 5910-01-562-7599
NSN 4140-01-492-5999
NSN 5998-00-554-9725
NSN 5999-01-386-6288
NSN 5999-01-634-0576
NSN 5998-01-462-1920
NSN 6110-00-269-2696
NSN 5945-01-321-9410
NSN 5915-01-144-9172