Cross ribbing supports on under side
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 5895-00-117-4257
NSN 5935-01-134-9555
NSN 7035-01-145-5059
NSN 5835-00-756-4366
NSN 6110-01-280-8917
NSN 6135-01-384-4395
NSN 5930-01-504-3251
NSN 5950-01-447-2839
NSN 5910-01-234-7856
NSN 5950-01-458-4158
NSN 5965-01-147-5847
NSN 5975-00-557-2540