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 6685-01-406-2919
NSN 5965-01-578-6911
NSN 5895-00-828-3481
NSN 5910-01-300-7489
NSN 5925-01-451-5140
NSN 5985-01-512-6281
NSN 6320-01-449-1014
NSN 5855-01-218-3735
NSN 5835-01-380-1626
NSN 5920-01-327-6582
NSN 5910-01-657-1235
NSN 6220-00-485-1428