MIL-STD-1285 Marking Of Electrical And Electronic PartsThis standard establishes requirements for the physical marking of electrical and electronic parts. This standard should be implemented by incorporating suitable requirements directly in acquisition documents.

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MIL-STD-1285D

w/ CHANGE 1

APPENDIX C

C.3.2.2.3 Full marking. Figure C-1 shows an example of method I marking applied in full.

68094

78091-1

12345 0433A

zzz

1.9 kHz - 3 dB Max

IN 1-2 600n

OUT 3-4 600n

- Design activity code

- Identifying number

- Source code; date code; and lot symbol

- Trademark

- Discrimination characteristics

- Source impedance

- Load impedance

FIGURE C-1. Method I marking example for engineering drawing.

C.3.2.3 Radio interference.

C.3.2.3.1 Ratings. Voltage, current and maximum operating (power) frequency ratings, as specified in the acquisition document, and other ratings, specified in the acquisition document shall be marked on the filter.

C.3.2.3.2 Full marking. Figure C-2 shows an example of method I marking applied in full.

68094

78091-1

12345 0433A

125 volts (rms)

400 volts dc

1 ampere

Input 1-2

400 Hz

- Design activity code

- Identifying number

- Source code; date code; and lot symbol

- Rated voltage

- Rated current

- Terminal identification

- Maximum operating (power) frequency

FIGURE C-2. Method I marking example for engineering drawing. - Continued.

C.3.2.4 Radar pulse-forming network.

C.3.2.4.1 Characteristics and ratings. Characteristics and ratings shall be as specified in the acquisition document. However, any data or information of a classified nature shall not be marked on the part.

C.3.2.4.2 Contract or purchase order number. The contract or purchase order number shall be marked on each network.

C.3.2.4.3 Serial number. The network's serial number shall be marked on the network.