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 5895-01-194-4203
NSN 5999-01-387-4924
NSN 5915-01-426-1338
NSN 5999-01-047-7593
NSN 2925-01-208-6638
NSN 6610-00-394-1427
NSN 6130-00-531-6564
NSN 5975-01-258-9289
NSN 6320-01-624-0193
NSN 6685-00-408-6886
NSN 5998-01-634-0604
NSN 6105-00-736-8672