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 5835-01-456-3922
NSN 6685-01-436-7365
NSN 5999-00-648-9107
NSN 5945-00-453-4178
NSN 5945-00-410-3893
NSN 6610-00-780-4696
NSN 5895-01-200-8192
NSN 5930-00-550-1325
NSN 5950-01-367-9921
NSN 5990-01-031-7599
NSN 5998-01-576-9946
NSN 6105-01-391-7722