Grade b/toolroom/two ledge; flatness is 0.00034; thickness is 4 in; net weight is 365 lbs
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 6135-00-643-4843
NSN 6130-01-013-9343
NSN 5895-00-723-2059
NSN 4140-00-679-1577
NSN 6610-01-136-4866
NSN 5965-01-076-8026
NSN 6105-01-388-4514
NSN 5960-01-054-3752
NSN 5920-01-442-8998
NSN 5996-01-318-7738
NSN 5855-01-618-8511
NSN 5920-00-829-3634