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 5985-01-553-5536
NSN 5975-00-384-8077
NSN 6645-01-243-3138
NSN 5996-00-022-3054
NSN 6220-01-396-0194
NSN 5915-01-462-5900
NSN 6145-00-118-8375
NSN 5910-00-936-8103
NSN 6620-01-050-2866
NSN 6240-01-269-7044
NSN 5910-00-434-5035
NSN 6320-00-731-6134