MIL-B-18/91E
Inches
mm
Ltr
Min
Max
Min
Max
A
.718
.844
18.24
21.44
B
1.500
1.626
38.10
41.30
C
.655
.781
16.64
19.84
D
1.375
1.501
34.93
38.13
E
.562
.688
14.27
17.48
F
3.187
3.313
80.95
84.15
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for general information only.
3. Unless otherwise specified, tolerance is ±.063 inch (1.600 mm).
4. Size of insulating plate at base of socket is optional.
5. Pin-circle center.
6. The jacket opening shall be 1.063 inch (27.00 mm) minimum diameter, and shall be positioned so
that its center is within a .063 inch (1.588 mm) diameter circle whose center coincides with the pin-
circle center.
7. Socket type B is required. (See MIL-B-18 for details.)
8. Marking to be in accordance with MIL-B-18.
FIGURE 1. Battery dimensions - Continued.
REQUIREMENTS:
Dimensions, marking, and configuration: See figure 1.
Nominal voltage: 2.25 volts.
Usual number and type of cells: 15 "N" cells.
Usual cell connection: Series.
Terminals: 8-hole socket.
Weight (maximum): 6 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