SB 742-1
SINGLE ROUND CONTAINER (SRC) INSPECTION CRITERIA (M55)
CHECKPOINT
CORRECTIVE ACTION
Container body
Reject container.
Cracks or holes.
Reject container.
Dents which preclude use.
None required.
Dents which do not preclude use.
Reject container.
Missing or damaged components.
Sealing flange machined surface
Reject container.
Scratches which would prevent proper sealing.
Clean and apply rust preventive.*
Foreign material, rust, dust, paint chips, etc.
Reject container.
Flange bolt hole threads damaged.
Cover
Reject container.
Cracks or holes.
Reject container.
Missing or damaged component.
Attempt to find matching S/N. If not
Serial number (S/N) does not match container body
possible, perform leak test.
(when applicable).
Apply Teflon sealant (tape or liquid),
Loose inspection plug.
torque 25ft-lbs min.
Reject container.
Scratches in sealing surface/groove.
Clean and apply rust preventative.*
Foreign matter, rust, etc., in seal groove.
Container Seal
Destroy seal. Request replacement
Teflon seals: Flat spots ,irregularities, deformation, or
from NICP (the addressee at para 1-
scratches. O-rings: Cuts, irregularities, hardness, or
5d(7).
deformation.
Bolts
Damaged bolt or threads.
Replace bolt.
Container Assembly
Fails Leak Test.
Reject container.**
*Leak test container upon completion of maintenance. If the rust cannot be removed with no
coarser than fine grade steel wool and a soft rag, or there are pits or rough surfaces caused by the
rust, reject the container(s).
**After initial failure, retest with a new Teflon seal or o-ring. If failure occurs a second time, reject
container.
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