No other part numbers with same form, fit, and function found.
A rectangular or square precision tool having a flat working surface(s) of specific flatness. It is used as a datum plane in connection with various layout, inspection, and calibration operations. It may also be used as a lapping plate, but is not grooved. See also block, lapping; plate, duplex, surface and lapping; and plate, lapping.
NSN 6145-00-061-6866
NSN 6110-00-752-2757
NSN 5920-00-291-1379
NSN 5910-01-327-4640
NSN 6610-01-573-5949
NSN 6240-00-456-2578
NSN 7035-01-242-2052
NSN 5945-01-258-5042
NSN 5960-01-031-6891
NSN 5910-01-444-3774
NSN 5945-01-634-0588
NSN 6135-00-998-5884