SB 742-1
a. Rear nylon band defective
Visual
b. Sabot cracked
Visual
c. Missing parts
Visual
d. Failure to chamber/gage
Gage
e. Pitting corrosion on projectile assembly
Visual
f. Obturator - loose, cracked or other damage which would
Visual
preclude gas seal
g. Rubber seal on Sabot torn or split
Visual
3. Minor: None Defined
NOTE: See Table L-6 for all combustible cartridge case and case base and seal assembly defect
AND M830A1 (C791, TP-T M831A1 (C784) AND XM908 (CA05)
Classification
Application
Inspection
Inspection
Method
Description
1. Critical: none defined
2. Major:
a. Missing parts
Visual
b. Copper/nylon band damaged to the point of recluding
Visual/gage
chambering
c. Failure to chamber/gage
Gage
d. Spike tip damaged
(M830 & 831A1)
Visual
e. Proximity sensor damaged
(M830A1)
Visual
f. Sabot cracked or pitted
(M830A1 & M908)
Visual
g. Shoulder switch bent or cocked
(M830)
Visual
h. Spike shoulder damaged
(M830)
Visual
i. Projectile rubber seal damaged
Visual
j. Spike Tip loose
(M830)
Visual/Manual
k. Pitting corrosion on projectile
Visual
l. Projectile partially or completely separated from cartridge
Visual/Manual
case
m. Projectile rotates relative to forward adapter
(M830 only).*
Visual/Manual
3. Minor: None Defined
NOTES:
1.
2. *Potential exists for M830 projectile fins to break DIGL-RP stick propellant.
CASE BASE & SEAL ASSEMBLY, 120MM TANK AMMO
Classification
Application
Inspection
Inspection
Method
Description
1. Critical: none defined
2. Major:
a. Abrasion damage or peeling causing coating to be absent in
Visual
one continuous area. Yellow-white nitrocellulose case material
exposed in this area totaling 10% or more of the total cartridge
case surface (30 sq. in. or 192 sq. cm).
b. Case broken exposing internal propellant containment bag
Visual
c. Skive joint (glue joint at case shoulder)separation
Visual
d. Case base and seal assembly (CBSA) separated from
Visual
cartridge case body
e. CBSA rubber seal torn or separated
Visual
f. Primer above flush
Visual/Manual
g. Primer stake missing or does not engage primer
Visual
h. Corrosion of CBSA with visible pitting
Visual
i. Non-removable corrosion on primer
Visual/Manual
j. Shoulder or sidewall of case cracked, punctured, dented or
Visual
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