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 5960-01-142-1995
NSN 5855-01-010-4921
NSN 6320-01-094-2634
NSN 6685-01-437-8603
NSN 6220-01-150-3128
NSN 5895-01-050-1278
NSN 5925-01-231-9509
NSN 5945-01-044-2611
NSN 6650-00-872-0942
NSN 6240-01-035-8525
NSN 6150-01-459-7571
NSN 5965-00-876-2378