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 6240-00-689-8504
NSN 5965-00-144-2543
NSN 5905-01-413-9697
NSN 5999-01-492-5324
NSN 6650-01-548-8500
NSN 6610-00-935-7131
NSN 5999-00-721-2024
NSN 5930-01-255-2827
NSN 6320-01-615-6500
NSN 6610-01-119-7873
NSN 6610-01-434-4958
NSN 7035-01-604-9807