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 5998-00-079-9766
NSN 6620-01-453-3135
NSN 4140-00-462-8465
NSN 6150-01-411-7097
NSN 6240-01-594-5703
NSN 5960-00-809-3171
NSN 6130-00-266-7496
NSN 5915-00-318-7097
NSN 5920-01-463-3927
NSN 5905-01-634-0595
NSN 6135-01-499-8812
NSN 6240-01-433-1403