SB 742-1
a. RI will be accomplished IAW Chapter 2 and criteria
PROJECTILE, 155-MM, HEAT, M712 AND M823
contained in Tables O-1 and O-2. Container will not remain
open for more than 72 hours.
Prolonged exposure to
environmental humidity will cause excessive damage to the
a. FSC: 1320.
projectile and possible degradation in reliability.
b. Ammunition Type: Projectile, 155mm HEAT, Cannon-
b. PI inspection is not required. In lieu of a PI, storage
Launched, M712 (Copperhead) and Projectile, 155mm monitoring (SMI) of the M712 will be performed every 3
Training, M823.
months. SMI will consist of 100 percent verification of the
humidity indicator.
Replacement, if indicated, will be
c. Item is a separate loading, laser-guided, high explosive
performed according to TM 9-1300-251-34. Whenever the
projectile, M712 (Copperhead). Dummy projectile, M823 is a
container is opened for replacement of desiccant, an inspection
training item designed to train weapon crews in handling
of the projectile will be performed according to table O-2 and
M712.
results noted on DSR card.
No unique safety precautions are applicable to this item.
Container and projectile will be inspected according to chapter
will be performed in such an environment as to limit possibility
No gaging or special testing is planned as part of the of moisture entering the container. These inspections will not
ammunition surveillance portion of the ASRP for this projectile. be performed during periods of high humidity, (such as
Extensive laboratory testing and detailed ballistic testing will rainstorms). The time a container remains open or a projectile
be the primary source of data for reliability estimates according is removed from container will be kept to a minimum
to AR 702-6.
necessary to perform inspection. Accept or reject for the
inspection of projectile and inner pack will be 0 and 1
respectively for critical, major and minor defects. Outer pack
accept or reject will be according to chapter 2.
Table O-1. Metal Container Exterior
Classification
Application
Inspection
Inspection
Method
Description
1. Critical: None defined
2. Major:
a. 40-percent sector on humidity indicator is not blue
M712
Visual
b. Stiffening ribs damaged
All
Visual
c. Damaged latches
All
Visual
d. Damaged or loose humidity indicator
M712
Visual
e. Loose or broken handles
All
Visual
f. Container dented to the extent that contents are not
All
Visual
protected
3. Minor:
a. Rust or paint deterioration
All
Visual
b. Container dented to the extent that contents are still
All
Visual
protected
4. Incidental:
a. Container serial number missing or illegible
M712
Visual
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