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 F

F.3.1.2.1  Toggle switches.  Toggle switch terminals shall be marked in accordance with figure F-1 by either raised or depressed numbers.  When specified in the acquisition document, the terminal identification may be stamped on the side of the switch case.

NOTE:  All views are rear face of switch with lever in the closed (on) position oriented up.

FIGURE F-1.  Termination identification.

F.3.1.2.2  Snap action and push switches.  Terminals of snap action and push switches shall be marked to indicate the contact arrangement as follows (when specified in the acquisition document, the abbreviated marking shall be used):

COMMON or COM, or C NORMALLY OPEN or NO NORMALLY CLOSED or NC

F.3.1.3  Other functional marking.  When specified in the acquisition document, a circuit diagram shall be marked on the switch.

F.3.2  Part identification marking.

F.3.2.1  Switch marking.  Marking of switches shall conform to method I.  When specified in the acquisition document, additions to the requirements of 5.2 are as follows:

a.  Current rating. b.  Voltage rating.

c.  Operating frequency, if applicable.

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