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 2925-01-362-2515
NSN 5990-00-230-8981
NSN 5998-01-512-8081
NSN 2925-00-701-9991
NSN 6105-00-085-5713
NSN 5960-01-223-8357
NSN 6620-00-826-7238
NSN 5930-00-170-7146
NSN 5915-01-389-3254
NSN 5895-01-063-1693
NSN 6650-00-161-4122
NSN 4140-00-078-9357