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 5999-01-651-3504
NSN 5999-00-379-9466
NSN 6620-00-555-3992
NSN 6620-01-504-5756
NSN 5945-01-359-3028
NSN 6110-01-237-3225
NSN 6130-01-244-4810
NSN 5998-01-564-8142
NSN 5998-00-734-5346
NSN 6150-01-646-7070
NSN 6145-00-066-0177
NSN 6105-00-891-3568