MIL-B-18/7E
Inches
mm
Ltr
Min
Max
Min
Max
A
.437
.563
11.10
14.30
B
1.437
1.563
36.50
39.70
C
2.437
2.563
61.90
65.10
D
3.437
3.563
87.30
90.50
E
3.937
4.063
100.00
103.20
F
.656
.782
16.66
19.86
G
1.375
1.500
34.93
38.10
H
3.000
3.126
76.20
79.34
J
---
3.563
---
90.50
NOTES:
1. All dimensions shown on figure 1 are in inches.
2. Metric equivalents specified in the table are for general information only.
3. Voltage and polarity markings may be placed either on the top or front face of the battery.
4. Unless otherwise specified, tolerance is ±.062 inch.
5. Provide insulated knurled nuts with brass inserts.
FIGURE 1. Interface and physical dimensions - Continued.
REQUIREMENTS:
Interface and physical dimensions: See figure 1.
Nominal voltage: -4.5 volts.
Tapped at:
-3 volts.
Tapped at:
-1.5 volts.
Usual number and type of cells: 3 "D" cells.
Usual cell connection: Series.
Terminals: Stud and nut.
Weight (maximum): 1 pound.
Capacity tests: When the battery is tested in accordance with the methods of examination and test of this
specification, the minimum capacity-test requirements shall be not less than the minimum time specified for SLD or
SLT.
First article inspection:
Visual and mechanical (external).
Battery voltage.
2
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