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 6220-00-922-3714
NSN 6685-01-620-1317
NSN 5975-00-050-6801
NSN 6220-01-582-7524
NSN 6645-01-518-1107
NSN 6320-00-790-4844
NSN 6620-00-399-0087
NSN 5945-01-646-3882
NSN 6240-00-956-6424
NSN 7035-01-481-0928
NSN 5925-01-198-9910
NSN 4140-00-755-4964