INCH-POUND
MIL-PRF-10304F
w/AMENDMENT 1
18 January 2008
SUPERSEDING
MIL-PRF-10304F
26 April 1999
PERFORMANCE SPECIFICATION
METERS, ELECTRICAL INDICATING, PANEL TYPE, RUGGEDIZED,
GENERAL SPECIFICATION FOR
This specification is approved for use by all
Departments and Agencies of the Department of Defense.
1. SCOPE
1.1
Scope. This specification covers the general requirements for watertight, ruggedized, 1-inch and 1.5-inch
square flange, and 1-inch, 2.5-inch, 3.5-inch and 4.5-inch round flange (flush mounting), and panel type, indicating
meters (see
6.1).
1.2
Classification.
1.2.1
Type. Meters [self-contained, unless otherwise specified (see 3.1)] covered by this specification should all be
of the following types:
a. 1-inch, direct current, millivoltmeters, microammeters, milliammeters, ammeters, and voltmeters.
b. 1.5-inch, direct current, ammeters, voltmeters, and decibel meters.
c. 2.5-inch and 3.5-inch, direct current, alternating current meters.
d. 2.5-inch and 3.5-inch, alternating current, rectifier type voltmeters.
e. 3.5-inch, decibel meters.
f. 4.5-inch, direct current meters.
The specified sizes, shapes of flange, color schemes, ranges, kind of currents, and electrical units are indicated in the
type designation (see 1.2.2). Unless otherwise specified, each meter should be scaled and calibrated for use on both
ferrous panels and nonferrous panels.
1.2.2
Type designation. The type designation should be in the following form, and as specified (see 3.1 and 6.2):
MR13 P 001 DC MA R
Style
(1.2.2.1)
Color
scheme
(1.2.2.2)
Full-scale
value
(1.2.2.3)
Kind of
current
(1.2.2.4)
Electrical
units
(1.2.2.5)
Ruggedized
construction
(1.2.2.6)
No spaces should appear between the groups of letters and numbers comprising the type designation.
1.2.2.1
Style. The style is identified by the two-letter symbol "MR" (Meter, Ruggedized, see 6.5.21) followed by a
two-digit number. The number signifies the size of the meter and shape of the flange.
Comments, suggestions, or questions on this document should be addressed to: Defense Supply Center,
Columbus, Attn: VAI, P.O. Box 3990, Columbus, Ohio, 43218-3990 or emailed to
sound@dscc.dla.mil. Since
contact information can change, you may want to verify the currency of this address information using the
ASSIST Online database at
http://assist.daps.dla.mil.
AMSC N/A FSC 6625
Downloaded from http://www.everyspec.com
