SB 742-1
Classification
Application
Inspection
Inspection
Method
Description
1. Critical:
a. Warning label missing or
M720 & M888
Visual
illegible
b. Fin blade damaged or
M720, M888, M49-series
Visual/Gage
M83-series,M302-series
distorted
c. Propelling charge support
M720
Visual
M888
Visual
assembly missing or improperly
positioned
d. Propelling charge missing or
M720
Visual/Manual
M888
Visual/Manual
damaged To the extent that
propellant shall escape
e. Propellant increment missing
M49-series & M302-series
Visual
f. Primer head above flush with
M49-series, M50-series,
Straightedge
M83-series, M302-series
rear surface of fin
M720, M888
g.
Visual/Manual
Fuze safety wire missing or
insecure
h. Fuze shear wire missing or
Visual/Manual
insecure
i. Ignition cartridge missing or
M49-series
Visual
inverted
j. Obturating ring missing
M720, M888
Visual
2. Major:
a. Propellant increment missing
M83-series
Visual
b. Propellant increment cut or
M49-series
Visual
M83-series
Visual
torn
M302-series
Visual
c.
M720
Visual/Manual
Propelling charge damaged
M888
Visual/Manual
but not to the extent that
propellant will escape
d. Fuze not fully seated
M720
Visual
M888
Visual
e. Fin assembly not fully seated
M720 & M888
Visual
f. Obturating ring damaged
M720 & M888
Visual
g. Obturating ring not flush or
M720
Straightedge
M888
Straightedge
below bourrelet diameter
h. Cartridge fails to fully enter
All
Gage
profile and alignment gage
i. Any component damaged
All
Gage
incorrectly assembled other
than described elsewhere)
j. Glue or asphalt on bourrelet
All
Gage
area
3. Minor
a. Fuze not fully seated
M49-series
Visual
b. Fin damaged or distorted
M50-series & M69
Visual/Gage
c. Propellant increment
M50-series
Visual
missing, cut or torn
d. Ignition cartridge missing or
M50-series
Visual
inverted
e. Fuze not set on superquick
Visual
(SQ)
f. Fuze not set on proximity
M734 fuze
Visual
(PROX)
4. Incidental:
a. Propellant Container
M888
Visual
M700-series
Visual
Discoloration
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