MIL-PRF-81757/11E(AS)
NOMENCLATURE:
BATTERY, STORAGE, AIRCRAFT,
NICKEL-CADMIUM, LIMITED-REPAIR,
LOW-FREQUENCY VIBRATION
MILITARY PIN:
M81757/11-3
NATIONAL STOCK NUMBER:
6140-**-***-****
MAXIMUM WEIGHT:
55 LB
NOMINAL VOLTAGE:
24 VOLTS
20 AH (20 AMPS/1 HR/80°F/18 V)
MINIMUM CAPACITY:
CONTRACT AND DELIVERY ORDER NUMBER:
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MANUFACTURED BY:
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MANUFACTURER'S CAGE:
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MANUFACTURER'S SERIAL NUMBER:
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DATE/LOT CODE:
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DATE FIRST PLACED IN SERVICE:
FIGURE 7. Marking for M81757/11-3 batteries.
MINIMUM LETTERING HEIGHT
0.50 ± 0.03 inch lettering
CAUTION
height.
0.375 ± 0.03 inch lettering
The cells in this battery are not to be
removed.
height.
0.375 ± 0.03 inch lettering
This battery shall be serviced only in an
authorized nickel-cadmium battery
height
shop.
0.50 ± 0.03 inch lettering
RECEPTACLE
height
FIGURE 8. Marking for battery caution and receptacle.
REQUIREMENTS:
1. Part or identifying number. The part or identifying number (PIN) of the battery shall be
M81757/11-3.
7
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