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 6135-00-880-1026
NSN 6620-01-053-6650
NSN 6135-01-449-2144
NSN 5950-01-277-4097
NSN 6320-01-160-8578
NSN 6135-01-302-8766
NSN 6650-00-602-8920
NSN 6620-01-158-9412
NSN 5855-01-259-0995
NSN 5920-00-644-3285
NSN 5905-01-357-0977
NSN 5990-00-650-9008