MIL-PRF-1/597F
Dimensions
Ltr
Inches
Millimeters
Min
Max
Min
Max
Qualification inspection
C
3.125
79.38
E
0.312
7.92
F
0.937
23.80
Conformance inspection, part 2
A
1.187
30.15
B
1.843
2.031
46.81
51.59
D
3.687
93.65
NOTES:
1. Centerline of bulb shall not deviate more than 2 in any direction from the perpendicular erected at center of
bottom of base.
2. Dimensions B, E and F refer to the usable cathode area.
FIGURE 1. Outline drawing for electron tube type 931VA.
5
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