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 H

H.3.1.1.1  Coil terminals.  Coil terminals shall be marked in accordance with figure H-2.  Unless otherwise specified in the acquisition document, the symbols shown on figure H-2 are for reference only and are not intended for marking on the relay.

FIGURE H-2.  Symbols and markings for relay coil terminals.

H.3.1.1.2  Dual coil terminals.  For dual coil relays, the relationship between coil and contacts shall be as specified in table H-I.

TA8LE H-I.  Dual coil relay markings.

H.3.1.1.3  Leadwire insulation marking.  Leadwire terminals shall be color-coded on the insulators in accordance with figure H-3 and MIL-STD-104.  Figure H-3 shows the color codes associated with the terminal numbers.  The contact arrangements and symbols are for reference only, and, unless otherwise specified in the acquisition document, shall not be marked on the relay.

H.3.1.1.4  Polarity marking.  Terminal X1 shall be marked with a plus (+) sign for polarized relays.  When specified in a acquisition document, this terminal shall be identified by a blue-colored bead.

H.3.1.2  Other functional marking.  Where applicable, the acquisition document shall specify the direction of maximum sensitivity to shock, vibration, acceleration and similar characteristics.  Unless otherwise specified, a circuit diagram shall be marked on one of the surfaces vertical to the terminal surface.  Figure H-4 shows an example of a typical circuit diagram marking.

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