Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of
use in improving this document should be addressed to: (ex. Defense Supply Center, Columbus, ATTN:
DSCC/VAM 3990 East Broad Street, Columbus, OH 43213-1199), by using the Standardization
Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter.
AMSC N/A FSC 6625
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
INCH-POUND
MIL-PRF-10304F
26 April 1999
SUPERSEDING
MIL-M-10304E
24 May 1974
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
1½-inch square flange, and 1-inch, 2½-inch, 3½-inch and 4½-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 shall be of
the following types:
a. 1-inch, direct current, millivoltmeters, microammeters, milliammeters, ammeters, and voltmeters.
b. 1½-inch, direct current, ammeters, voltmeters, and decibel meters.
c. 2½-inch and 3½-inch, direct current, alternating current meters.
d. 2½-inch and 3½-inch, alternating current, rectifier type voltmeters.
e. 3½-inch, decibel meters.
f. 4½-inch, direct current meters.
The specified sizes, shapes of flanges, color schemes, ranges, kinds of current, and electrical units are indicated in
the type designation (see 1.2.2). Unless otherwise specified, each meter shall be scaled and calibrated for use on
both ferrous panels and nonferrous panels.
Downloaded from http://www.everyspec.com
