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 6650-00-469-2218
NSN 6320-00-070-4544
NSN 5975-01-444-2406
NSN 5998-00-348-6390
NSN 5998-01-511-1192
NSN 6135-00-274-4037
NSN 5960-01-151-4518
NSN 6610-01-612-9890
NSN 5996-01-410-6984
NSN 5990-01-563-1554
NSN 5985-01-413-3748
NSN 5905-00-083-5599