INCH-POUND
MIL-DTL-48554B
29 December 2011
SUPERSEDING
MIL-T-48554A(AR)
w/AMENDMENT 2
10 January 2006
DETAIL SPECIFICATION
TELESCOPE, PANORAMIC - M137A2 AND M137A3
Inactive for new design after 29 December 2011
This specification is approved for use by the U.S. Army Armament Research, Development
and Engineering Center (ARDEC) and is available for use by all Departments and
Agencies of the Department of Defense.
1. SCOPE
1.1 Scope. This specification covers Telescope, Panoramic M137A2 and
M137A3 which are two types of panoramic telescopes which provide four-power
magnification and a ten-degree field of view. They are equipped with numerical counters
which indicate azimuth settings and corrections.
1.2 Classification. The Panoramic Telescope is primarily intended to lay the
howitzer in azimuth for indirect fire and there are the following types:
1.2.1 M137A2. This Panoramic Telescope is intended to support the M119 Series
and M777 Series Howitzers and does not use tritium.
1.2.2 M137A3. This Panoramic Telescope is intended to support the M198
Howitzer and does not use tritium.
Comments, suggestions, or questions on this document should be addressed to:
Commander, US Army ARDEC, ATTN: RDAR-QES-E, Picatinny, New Jersey
07806-5000 or emailed to ardecstdzn@conus.army.mil. Since contact information can
change, you may want to verify the currency of this address information using the ASSIST
online database at https://assist.daps.dla.mil.
AMSC N/A
FSC 1240
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
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