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 5930-00-115-3660
NSN 2925-01-591-4030
NSN 5945-01-474-2280
NSN 6130-00-151-5001
NSN 6135-00-866-2311
NSN 5990-00-538-7962
NSN 5910-00-280-1463
NSN 5910-01-394-5357
NSN 5910-01-297-9493
NSN 5920-01-535-8877
NSN 5855-01-469-6123
NSN 2925-01-354-1752