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 6110-01-411-6660
NSN 5835-00-251-9138
NSN 6110-01-235-9175
NSN 5895-00-288-1798
NSN 2925-00-265-7539
NSN 6240-00-509-2485
NSN 6610-01-364-8295
NSN 5910-01-059-2666
NSN 6320-00-036-3688
NSN 5835-00-143-4153
NSN 5999-00-548-1663
NSN 5945-01-618-4704