MIL-B-18/23E
Inches
mm
Ltr
Min
Max
Min
Max
A
1.089
1.144
27.66
26.49
B
2.125
2.219
27.53
27.62
C
1.058
1.068
26.87
26.47
D
1.495
1.510
37.97
38.35
E
9.933
9.943
252.30
252.55
F
.620
.630
15.75
16.00
G
4.808
4.818
122.12
122.38
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for general information only.
3. Unless otherwise specified, tolerances are ±.005 (0.13 mm) for three place decimals and ±.02 (0.5
mm) for two place decimals.
5. Socket type X111 is required. (see MIL-B-18 for details.)
4. Marking to be in accordance with MIL-B-18.
FIGURE 1. Battery dimensions - Continued.
REQUIREMENTS:
Dimensions, marking, and configuration: See figure 1.
B unit
A unit
Nominal voltage:
1.5 volts
90 volts
Usual number and type of cells:
6 "CD" cells
90 "A" cells
Usual cell connection:
Parallel
Series
Terminals: Four hole socket.
Weight (maximum): 5 pounds, 8 ounces.
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 in accordance with MIL-B-18:
Visual and mechanical (external).
Battery voltage.
Vibration test.
Mechanical-shock test in accordance with MIL-STD-202, method 213, test condition I.
Insulation resistance test in accordance with MIL-STD-202, method 302, test condition B,
tolerance ±20 volts.
Capacity, D (without storage).
Jacket integrity test.
2