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 6220-01-360-5525
NSN 5965-01-413-9205
NSN 5999-01-055-9502
NSN 5985-01-287-9365
NSN 5998-01-173-1700
NSN 4140-01-216-7107
NSN 5930-00-072-5979
NSN 5920-01-553-2398
NSN 5930-01-353-2867
NSN 6145-01-450-3653
NSN 4140-01-301-1185
NSN 5999-01-505-2394