MIL-DTL-21604F
3.20 Marking.
3.20.1 Identification of product. Switches shall be marked in accordance with MIL-STD-1285 with the information
specified in 3.20.1.1 and 3.20.1.2.
3.20.1.1 Switches covered by specification sheets:
a.
Type designation.
b.
Military Part or Identifying Number (PIN) (when applicable).
c.
Manufacturer's name or symbol.
d.
Electrical rating.
e.
Date code.
f.
3.20.1.2 Switches not covered by specification sheets:
a.
Manufacturer's PIN.
b.
Manufacturer's name or trademark or Contractors and Government Entity (CAGE) code for manufacturers.
c.
d.
Electrical rating.
e.
Date code.
3.20.2 Terminal identification. Unless otherwise specified (see 3.1), switch terminals shall be marked with letters,
whose sequence is counter-clockwise when viewed from rear end of the switch. The terminal marking shall be on
both sides of the barrier. The marking shall be in a contrasting color that allows for ease of identification in all lighting
conditions. The markings shall be a minimum of .125 inch (3.18 mm) in height.
3.20.3 Stop identification. Unless otherwise specified (see 3.1), switch stop positions shall be marked with
numbers, whose sequence is clockwise when viewed from the rear end of the switch. The marking shall have a
minimum height of .06 inch (1.5 mm) and be stamped or engraved into the plate containing the stop-screw holes.
3.21 Workmanship. Switches shall be processed in such a manner as to be uniform in quality and shall be free
from cracked or displaced parts and other defects that will affect life, serviceability, or appearance. Molded or
laminated parts shall be free of chips, blemishes, or flakes which are detrimental to the operating functions of the
switch. Gate marks or flow lines shall not be considered a defect.
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