TM 9-6695-274-14
Figure 1-60. Gage Block Set 7901961.
The 81-piece Gage Block Set (7901961) (fig. 1-60) consists of nine blocks, 0.1001 through 0.1009 inch in steps of 0.0001
inch. Forty-nine blocks, 0.101 through 0.149 inch in steps of 0.001 inch; 19 blocks, 0.050 through 0.950 inch in steps of
0.050 inch; and 4 blocks, 1.000 through 4.000 inch in steps of 1 inch.
Figure 1-61. Federal Products, Model 400B-1, Dial Indicator Calibrator.
Federal Products, Model 400B-1, Dial Indicator Calibrator (fig. 1-61) is designed for use primarily with high magnification
indicators. A special thread lapping process provides a very high degree of lead screw accuracy.
1-83