C1, TM 9-6650-222-35
(2) Two mounting holes are provided on the
head for engaging the plungers of mount assembly
mits the use of externally supplied 24-volt dc,
6650-906-7944. Mount assembly is required for
or 1.5-volt dc supplied by the dry battery. Switch
assembling head assembly to body assembling
599 is provided to control the mode of operation
d. Body Assembly 10513599.
used. Schematic representation of the two modes
(1) Body assembly 10513599 is a nitro-
gen gas filled, sealed unit that receives the re-
flected line of sight from head assembly 6650-
906-7941. In-addition, body assembly 10513599
a. Optical Characteristics.
also houses electrical and electronic components
for control of the infrared converter system.
Effective focal length (ob-
strikes on mount assembly when mounting body
Effective focal length
assembly 10513599. An identification plate for
periscope M48 is mounted on body assembly
Magnification of image tube.
10513599 and contains the serial number of the
-0.50 to -1.0 diopters
(3) Valve assembly 8201751 is located on the
side of body assembly 10513599 and is used for
Mounting plate assembly
(4) A compartment in body assembly 10513599
either the converter 1240-878-7768 or the 1.5 volt,
C-size dry battery 6135-120-1010. These latter
9.625 in.9.625 in.
two items are interchangeable by removing cap