MIL-PRF-1/311L
Dimensions
Ltr
Minimum
Maximum
Qualification Inspection
M
Bulb contact: J1-22
N
Base: B12-37
Conformance inspection, part 2
A
2.94 (64.68)
3.06 (77.72)
B
1.34 (34.04)
C
1.94 (49.28)
2.06 (52.32)
D
9.81 (249.17)
10.19 (258.83)
G
1.50 (37.10)
2.00 (50.80)
Nominal dimensions (see note 2)
E
3.88 (98.55)
H
1.63 (41.40)
L
12.44 (315.98) R
Pin connections
Pin No.
1
2
3
4
5
7
8
9
10
11
12
14
Elements
h
k
g1
int
a1
D3
D4
a2
D2
D1
nc
h
con
NOTES:
1. Minimum useful screen radius.
2. Nominal dimensions are for information only and are not required for inspection purposes.
FIGURE 1. Outline drawing of electron tube types 3ACP1A, 3ACP2A, 3ACP7A.
6
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