MIL-DTL-60377C (AR)
3.6 Mating thread surfaces. The mating surfaces of
threads shall be free of caked explosive and free of foreign
material. If a chemical cleaner is required, acetone or
methylene chloride shall be used. Care should be taken to
prevent the chemical cleaner from coming into contact with the
charge and becoming entrapped in the projectile.
3.7 Fuze well surface cavitation. Cavities formed due to
chipped or broken explosive from the sidewalls of the fuze
well shall not extend in aggregate around more than 1/4 of the
circumference. The maximum dimension of any visible cavity in
the faced surface of the charge shall not exceed 1/4 inch in
any direction and the total area of all cavities shall not
exceed 80 percent of the surface area. (Cavities having a
maximum dimension of 1/32 inch or less shall be disregarded in
this computation as shall voids within the applicable region
of the fuze well prescribed by 9216352 or 13010426.)
3.8 Base separation saw samples. The maximum allowable
base separation shall be .015 inch when inspected after
sectioning.
3.9 Fuze well (before assembly of the liner). The fuze
well shall be free from any loose explosive or any foreign
matter prior to assembly of the liner. Chemical cleaner shall
not contact the charge or become entrapped in the projectile.
3.10 Fuze well (after assembly of the liner). The fuze
well shall be free from any loose explosive or any foreign
matter after assembly of the liner.
3.11 Exterior surfaces explosive contamination.
There
shall be no explosive on the exterior surface of the
projectile.
3.12 Ballistic testing. There shall be no premature
burst or indication of metal parts separation or failure in
the gun bore or in flight when fired at a pressure of 41000
plus 3000 pounds per square inch (PSI).
3.13 Workmanship.
The requirements of workmanship are as
follows:
a. Cleaning. If required the cleaning method shall not
be injurious to any of the parts nor shall the parts be
contaminated by the cleaning agent.
b. Painting. Painting shall comply with the requirements
of the applicable drawing. All paint shall be dry to the
touch before testing and packing for shipment. Drying time
prior to testing shall be in accordance with the applicable
specification.
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