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 5930-01-353-7821
NSN 5975-00-617-8464
NSN 6105-01-010-5953
NSN 5895-01-044-5425
NSN 6685-01-624-1644
NSN 6685-01-502-3078
NSN 6110-01-473-0978
NSN 6650-00-826-7396
NSN 5915-00-926-8126
NSN 5998-01-483-8085
NSN 6150-01-260-3709
NSN 6620-01-205-6608