MIL-B-18/38E
Inches
mm
Ltr
Min
Max
Min
Max
A
2.531
2.688
64.29
68.28
B
1.251
1.376
31.78
34.95
C
.594
.719
15.09
18.26
D
1.251
1.376
31.78
34.95
E
.313
.438
7.95
11.13
F
3.876
4.001
98.45
101.63
G
---
4.656
---
118.26
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for general information only.
3. Unless otherwise specified, tolerances is ±.0625 (1.59 mm).
4. Voltage and polarity markings may be placed either on the top or front face of the battery.
5. Insulated knurled nuts with brass inserts shall be used and lock washers shall be .168 (4.27 mm)
ID, 0.381 (9.68 mm) OD.
6. Diagonal or round corners are optional.
7. Marking to be in accordance with MIL-B-18.
FIGURE 1. Battery dimensions - Continued.
REQUIREMENTS:
Dimensions, marking, and configuration: See figure 1.
Nominal voltage: 3 volts.
Usual number and type of cells: 2 "F" cells.
Usual cell connection: Series.
Terminals: Stud and nut.
Weight (maximum): 14 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.
2