code for the lot will not apply to the cartridges packed
2. Errors, Omissions, and Recommended Changes.
with the signals.
Direct
reporting
of
errors,
omissions,
and
recommendations for improving this bulletin is authorized
8. Observations. All observations of nonstandard
and encouraged.
DA Form 2028 (Recommended
Changes to Publications) will be completed and
conditions and malfunctions, especially those not
forwarded direct to Commanding Officer, U. S. Army
Aberdeen Research and Development Center, ATTN:
11 below, should be
described in
full detail. Pictorial
AMXRD-ARW, Aberdeen Proving Ground, Md. 21005.
evidence of nonstandard conditions, whenever pertinent
and practical, should be included. The observations to
be reported are as follows:
3. Safety. The surveillance function testing must be
a. Time (to the nearest tenth of a second) from
conducted in accordance with the provisions set forth in
firing to expulsion of stars from case (for information
appropriate safety regulations and implementing
purposes).
instructions, with special attention devoted to technical
b. Light intensity of stars (visually-good, fair, poor).
manuals describing the item.
c. Color of stars (visually-correctness and
distinguishability).
4. Size of sample. The number of signals required to
d. Functioning altitude to the nearest foot. APE
make up a representative sample from a lot for a
1908 should be used for this purpose.
surveillance function test is as follows:
e. Altitude at extinction to the nearest foot (for
For check investigation.........................as directed
information purposes).
For classification investigation........................... 48
f. Number of stars in cluster which fail to function.
For confirmation investigation...............as directed
g. Time (to the nearest tenth of a second) from
ignition of the first star to extinction of the last burning
5. Sample selection. Sample signals will be selected in
star.
accordance with the provisions of SB 742-1 with the
h. Time (to the nearest tenth of a second) from
exception that not more than eight signals may be
extinction of the first star to extinction of the last star.
selected from any one box.
i. All instances of any of the following:
(1) Nonstandard marking. State whether mis-
6. Preparation for Test. a. Number the signals 1
leading, incomplete or unidentifiable.
through 48 and identify them as to the box from which
(2) Rust or corrosion. Give location and
they were drawn.
extent.
b. Immerse signals 1 through 24 (without cartridges
(3) The occurrence of any of the nonstandard
and without fiber containers) in water at 70 + 10F for 15
conditions or malfunctions classified as defects in
to 20 minutes. Position signals horizontally 6 to 9 inches
below the water surface. APE 1901 should be used for
(4) The occurrence of any nonstandard
this purpose. Signals will be wiped dry and tested as
conditions or malfunctions not classified as defects in
removal from the water.
responsible personnel merits consideration.
c. Signals 25 through 48 will receive no treatment
prior to testing.
9. Classification of defects. Defects observed during
inspection and testing will be classified in accordance
7. Test Procedure. a. The signals will be projected
from a rifle grenade launcher of the M7 series attached
to the muzzle of a service rifle using caliber.30 grenade
and 11 will be fully described and reported with the
cartridge M3. The rifle will be fired in a vertical position
mounted on Holding Device APE 1902. Signals will not
classification.
be fired when the wind velocity exceeds 15 mph. Signals
with cracked, bent, or otherwise distorted bodies or
10. Nonfunctioning defects. a. Major.
stabilizer assemblies will not be fired but will be reported
(1) Disk or disk lining missing.
(2) Major damage to components such as:
b. Cartridges packed with corresponding signals
(a) Container bulges, indicating
will be used in these tests unless their use is precluded
serious gas formation.
because they are not standard for the rifle being used, in
which case, other rifle grenade cartridges that are
standard for the rifle being used may be substituted. If
substitute cartridges are used, the
2