SB 742-1
Classification
Application
Inspection
Inspection
Method
Description
1. Critical:
a. Grenade armed, slider/bore-rider extended, showing red.
M76
Visual
b. Markings misleading as to type of grenade.
All
Visual
c. Grenades show signs of filler leakage.
L8A1/A3
Visual
AA- 6a
2. Major:
a. Metal base punctured
L8A1/A3
Visual
b. Rubber body torn or dry rotted
L8A1/A3
Visual
c. Plastic body cracked or damaged
M76
Visual
d. Bore seal damaged or missing
M76
Visual
e. Electrical contacts missing or corroded to the extent that
L8A1/A3
Visual
AA-6a
metal is affected
f. Electrical contact clips damaged, bent, corroded, or
M76
Visual
missing
g. Metal foil covering gas propulsion holes missing or
L8A1/A3
Visual
punctured
h. Grenade distortion preventing insertion into launcher
L8A1/A3
Visual
(discharger)
i. Resistance of electrical match is less than 1.0 ohms or
M76
Test
AA-6b
greater than 1.5 ohms
j. Resistance of electric circuit is less than 0.9 ohms or
L8A1/A3
Test
AA-6b
greater the 1.6 ohms (All L8A1 lots and L8A3 lots
manufactured prior to PB-89G002-001)
k. Resistance of electric circuit is less than 0.9 ohms or
L8A3
Test
AA-6b
greater than 2.1 ohms (Lot PB-89G002-001 and later)
l. Markings illegible
All
Visual
3. Minor:
a. Slight scratches attributable to normal handling or
L8A1/A3
Visual
shipping
b. Paint defects (e.g., rust scale, peeling, blistering, etc.)
L8A1/A3
Visual
c. Inadequate paint coverage
L8Al/A3
Visual
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