MlL-I-21400
(AE r)
2 JUNE 1958
MILITARY SPECIFICATION
` INTERVALOMETER, ORDNANCE, RELEASE TD-239/A "
This specification has been approved by the
Bureau of Aeronautics, Department of the Navy.
SCOPE
1.
The equipment covered by this Specification shall generate pulses, recurring at
1.1
precise intervals of time, which are suitable for direct operation of release solenoids of bomb
racks and other store suspension equipment. This equipment shall be such that the use of tables,
or "graphs, is unnecessary to provide the proper time interval associated with a desired ground
spacing between dropped stores when the aircraft ground speed is manually inserted. The inter-
valometer shall also control the number of stores expended.
.
" APPLICABLE DOCUMENTS
2.
General - The following documents of the issue in effect on the date of invitation
2.1
for bids, form a part of this specification.
SPECIFICATIONS
Military
Cases; Bases, Mounting; and Mounts, Vibration (For
MIL- C- 172
use with Electronic Equipment in Aircraft)
Crystal Units, Quartz
MIL-C-3098
Electron Tubes, Choice and Application of
MIL-E-4682
Wiring, Aircraftj Installation of
MIL-W-5088
Electronic Equipment, Aircraft, General Specification
MIL-E-5400
for
MIL-E-5422
Enviromental, Testing, Aircraft Electronic Equipment
Interference Limits; Tests and Design Requirements,
MIL-1-6181
Aircraft Electrical and Electronic Equipment
Control Panel; Aircraft Equipment, Rack or Console
MIL-C-6781
Mounted
Plate, Plastic, Cockpit and Interior Controls Lighting
. MIL-P-7788
."
Electric Power, Aircraft Characteristics of
MIL-E-7894
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