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 5950-01-579-4485
NSN 5990-01-346-8782
NSN 5925-01-346-4221
NSN 6650-00-326-8130
NSN 4140-01-423-1647
NSN 6220-00-494-1600
NSN 6135-00-369-2368
NSN 5996-00-412-9418
NSN 5895-01-019-0935
NSN 5905-00-538-5324
NSN 6130-01-642-5925
NSN 6620-00-438-5833