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 I

I.3.2.2.1  Cylindrical coils marking.  Cylindrical coils shall conform to method II except when the inductance value is less than 10 microhenries, the first or second code shall be gold to represent the decimal point; the other two codes will represent the characteristic values.  (Figure I-2 shows the marking to indicate military part identifier, inductance value, and inductance tolerance.)

Typical color coding under 10 microhenries

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Typical color coding.

FIGURE I-2.  Typical color coding of cylindrical coils.

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