DEPARTMENT OF THE ARMY SUPPLY BULLETIN
INSTRUMENT LIGHTS, M52 AND M53
Headquarters, Department of the Army, Washington, D.C.
20 September 1966
2. Scope. This bulletin applies to all M52 and
1. Purpose. This bulletin authorizes requisi-
tioning and issue of improved Instrument Lights
M53 Instrument Lights which become inoperable
M52 and M53 to replace existing Instrument
and to all serviceable M52 and M53 Instrument
Lights M52 and M53. Instrument Lights M52
Lights in units outside CONUS.
and M53 with improved rheostat and strengthened
3. Supply Data. Table below reflects part and
wire connections at light socket will be issued as
Federal stock numbers for existing and improved
replacements on a one-for-one basis in accordance
Instrument Lights, M52 and M53.
with paragraph 5.
EXISTING INSTRUMENT LIGHTS
Federal Stock No.
Instrument Light, M52 . . . . . . . . . . . . . . 8579649 . . . . . . . . . . . . . .
Instrument Light, M53 . . . . . . . . . . 8579650 . . . . . . . . . . . . . . . . 1290-691-5537
IMPROVED INSTRUMENT LIGHTS
Instrument Light, M52 ---------- 10547156 (shown on case)......... 1290-953-8637
Instrument Light, M53.. . . . . . 10547157 (shown on case) ........ 1290-953-8948
4. Identification. Improved Instrument Lights
6. Disposal. Existing Instrument Lights, M52
or M53 replaced by improved lights will be
M52 or M53 can be identified as follows:
disposed of locally in accordance with existing
a. The rubber grommet at the light socket end
of the cord has been lengthened to 1 3/8 inches.
b. The new part number (para 3) is stamped or
7. Application. Instrument Lights M52 and/or
molded on the outside of the battery case.
M53 are utilized with sighting and fire control
5. Priority of Issue. a. Recommend stations
material for the following major items:
submit funded requisitions in accordance with the
Howitzer, Lt Towed, 105MM, M102
Launcher, Rocket, 115MM, M91
(1) SEA--5 to 6 months.
Launcher, Rocket, 318MM, M34
(2) Other overseas-6 to 9 months.
Mortar, 81MM, M1
Mortar, 81MM, M29
(3) CONUS--as required after 9 months.
Mortar, 81MM, SP, M125/M125A1
Note. If assets become available prior to the above time
Mortar, 4.2 inch, M30
periods, information will be disseminated to the field.
Mortar, Inf, SP, 4.2 inch, M84
b. Exchange of existing lights for improved
Mortar, 107MM, SP, M106/M106A1
lights will be accomplished during processing for
Periscope, B. C., M43
Radar Chronograph, M36
c. Units stationed in CONUS will continue to
Rifle, Recoilless, 75MM, M20
utilize existing Instrument Lights which remain
Weapon System Battle Group, M28
serviceable, until phased out of the supply system.
Weapon System Battle Group, M29
TAGO 506A Sept. 250-467-68