MIL-DTL-70438A(AR)
minutes. The eye of each plug shall be flattened by either
pressure or blows in any direction until the inner diameter of
the eye is permanently reduced by 0.050 inch while at minus 40
degrees F. Each plug shall be visually examined for cracks after
flattening.
4.4.3.3 Fracture. The body of each sample iron casting
shall be broken through the thickest section for inspection. The
plug shall be observed for discontinuous structure, porosity or
shrinks.
4.4.4 Impact resistance of adhesive. The bottle of adhesive
representing the lot which will be used for a weeks's production
will be tested prior to use for impact resistance. A total of
ten specimens will be prepared and tested in accordance with the
procedures and methods specified in ASTM D-950-54. If any sample
tested fails to meet an impact resistance of ten minus one (10-1)
foot pounds, the lot or batch of adhesive shall be rejected.
4.4.5 Salt spray. The sampling plan for this test shall be
as specified in TT-C-490. The test shall be performed on the
plugs as specified in TT-C-490. The number of hours and
percentage of sodium chloride solution shall be as indicated in
dwg. 9345325. Examination shall be made for any evidence of
corrosion of the painted areas. If any plug fails to comply with
the specified requirements, it shall be classified defective and
corrective action taken as specified in TT-C-490.
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging
requirements shall be as specified in the contract or order (see
6.2). When packaging of materiel is to be performed by DOD
personnel or in-house contractor personnel, these personnel need
to contact the responsible packaging activity to ascertain
packaging requirements. Packaging requirements are maintained
by the Inventory Control Point's packaging activity within the
Military Department of Defense Agency, or within the Military
Department's System Command. Packaging data retrieval is
available from the managing Military Department's or Defense
Agency's automated packaging files, CD-ROM products, or by
contacting the responsible packaging activity.
6.
NOTES
(This section contains information of a general or
explanatory nature that may be helpful, but is not mandatory.)
6.1 Intended use. The component covered by this
specification is intended for use in lifting and handling
artillery projectiles. This specification contains requirements
suitable for production. There is no known commercial use or
application.
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