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 5895-01-259-4385
NSN 2925-01-106-3552
NSN 5935-01-653-0686
NSN 6130-00-227-7798
NSN 2925-01-346-9522
NSN 5975-01-343-5103
NSN 6620-00-286-5721
NSN 6220-01-459-5697
NSN 6145-00-635-7920
NSN 5935-00-591-1950
NSN 5855-00-357-1158
NSN 6145-00-115-6355