SB 742-1
be used to fight a fire involving HC munitions if a large amount
(3) Prior to removing the grenade from the fiber con-
of water relative to the item is available.
tainer, observe the fuze safety pin. If it is missing, do not
remove the grenade from the fiber container. If both legs of the
d. In high concentrations or on prolonged exposures, HC pin are straight or if one leg is straight and the other is bent to
smoke irritates the nose and throat and may be quite an angle less than 45 degrees, bend each leg 90 degrees in
dangerous when inhaled.
Personnel exposed to any opposite directions.
concentration of HC smoke shall wear respiratory protection.
g. If the grenade is upside down in the fiber container
e. The pin of the M201A1 fuze used on AN-M8 HC; (fuze not visible), or if any of the above discrepancies are noted,
AN-M14 Incendiary; M83 TA Smoke, and M18 smoke grenades it should remain inside the container and action taken to
can be inadvertently pulled during processing; i.e., handling, dispose of it safely.
temporary storage in boxes, at the production plant. This can
occur when grenades, which are not in the fiber container, are
h. Grenades should never be lifted or handled by the
placed in boxes and the lever on one grenade catches in the safety pin pull ring.
ring of the pin of an adjacent grenade and either pulls or
The potential for the pin to be P-3. Testing and equipment requirements. Not applicable.
partially pulls the pin.
inadvertently pulled is significant up to the point when the P-4. Inspection category and sampling plan.
grenade is placed in its fiber container. When the grenade is in
a. Inspection Category Y; Periodic inspection interval --
its fiber container, there is almost no possibility of the pin
three years.
being inadvertently pulled.
b. Sampling plan for inspection is according to chapter 2.
f. To preclude fuze pins from being inadvertently pulled,
users are cautioned to comply with the following procedures:
c. Inspection criteria for fuzes are contained in Appendix
(1) Retain the grenades in fiber container until they T.
are to be used/inspected.
d. Item will be inspected and classified according to
(2) Always store and transport the grenades in the chapter 2 and table P-1.
fiber container.
Classification
Application
Inspection
Inspection
Method
Description
1. Critical:
a. Unauthorized fuze installed
All
Visual
b. Safety pin missing, or insecurely assembled to the extent
All
Visual
that it endangers the user
c. Grenades mixed within lot which can result in hazardous
All
Visual
or unsafe conditions for persons using or maintaining items
d. Marking misleading as to color of smoke
M18
Visual
e. Evidence of leakage
M15, M34
Visual
f. Grenade packed upside down
M15, M34
Visual
g. Emission holes missing
AN-M8, AN-M14, M48
Visual/Manual
2. Major:
a. Split seams or swollen body
All
Visual
b. Tape missing, loose, or does not completely cover
All
Visual
emission hole
c. Fuze loose; not in full 360 degree contact with gasket
All
Visual
d. Grenade contents leaking
AN-M8, M18
Visual
e. Marking incorrect
All
Visual
f. Rust or corrosion to the extent that grenade cannot be used
All
Visual
as intended
g. Grenade cannot be removed from container
All
Visual
h. Safety latch missing
M48
Visual
i. Grenade packed upside down
AN-M8, M14, M18, M48
Visual
3. Minor:
a. Marking incomplete or illegible but type of grenade and
All
Visual
lot number are identifiable
b. Minor rust/corrosion
All
Visual
c. Layers of flaked rust which, when removed, leave pitting
All
Visual
that will not affect functioning
d. Inadequate paint coverage
All
Visual
e. Grenade slurry mixture loose
M18
Visual/Manual
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