A-A-52525 Horns And Buzzers, Air-And Electrically-ActuatedThis CID covers horns and buzzers used in 12- or 24-volt (V) direct current (dc) circuits as warning signals in tactical vehicles, combat vehicles, and other equipment operating under severe and extreme conditions of shock, vibration, and climate.

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A-A-52525A

 

7.4 Part Identification Number (PIN). The PINs to be used for horns and buzzers acquired by this CID are created as follows:

 

AA 52525 - X X

 

AA = CID designator

52525 = CID number

X = Number designation for horn or buzzer type (see figures 1, 2, 3, and 4):

1 - Type I

2 - Type II

3 - Type III

4 - Type IV

X = Voltage rating:

1 - Class 1 (24 Volts)

2 - Class 2 (12 Volts)

 

MILITARY INTERESTS:

 

Custodians:

Army – AT

 Navy - MC

Air Force – 99

 

Review Activities:

Air Force - 84

DLA – CS

 

CIVIL AGENCY COORDINATING ACTIVITY:

GSA – FSS

 

Preparing Activity:

Army – AT

 

(Project 2590-0247)

 

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