1-5. Destruction of Army Materiel to Prevent
Enemy Use. Refer to FM 5-25.
of Binocular M19.
equivalent assemblies of any other Binocular M19.
After each ocular is assembled, it is purged with
a. General. The 7x50 Binocular M19 is a
nitrogen to remove air and to insure a dry internal
lightweight, compact instrument intended for use
atmosphere; then sealed to retain the purged
in general field observation and fire direction. The
condition. A hinge shaft and sleeve arrangement
left ocular contains a graduated angular mil scale
joins the two ocular assemblies at the front and
reticle for estimating the range. The modular
r e a r hinge points. Friction for holding the
design features precollimated, fully interchangeable
binocular at the proper interpupillary setting is
eyepieces, prism housings, and objective assem-
provided by a clutch consisting of eleven O-ings
blies to facilitate easy replacement in the event of
installed in grooves of the hinge shaft. The in-
damage to any component. All optics are fully
terpupillary scale is graduated in millimeters. Once
the binocular is set for a particular eye spacing,
b. Major Components.
note the reading on the scale for future reference.
(1) Each ocular, or telescope, of Binocular
(2) A diopter scale is located between each
M19 consists of three major assemblies: the ob-
eyepiece and its ocular, or housing assembly (fig.
jective assembly, the housing assembly, and the
1-2). Once you
have set each eyepiece
the sharpest possible focus for your eyes, note the
assemblies are precollimated and prefocused and,
dipter reading on each scale for future reference.
therefore, are completely interchangeable with the
8. Eyepiece assembly 10547083
Interpupillary scale 10547103-1
9. Objective assembly 10547054
10. Preformed packing MS9021-031
11. Housing assembly R.H. 10547071
12. Housing assembly L.H. 10547079-1
Hinge sleeve 10547102
13. Screw MS3212-21
Preformed packing MS9021-010
14. Eyepiece bellows
Description of Carrying Case.
slightly above the top of the case. When the lid is
closed, it presses down on the objective housings
a. The plastic carrying case is designed
to firmly hold the binocular. The lid is held shut
specifically to hold Binocular M19 and provides
by a nylon strap which is fastened by a snap
ample protection against rough handling. The
binocular must be inserted into the carrying case
eyepieces down. The objective housings project