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Projectile, painted (see Dwg. D11075781). |
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|  MIL-P-50774A(AR)
4.4.3.5 Projectile, painted (see Dwg. D11075781).
Method of Inspection
Categories and Defects
None defined.
Critical:
Major:
Diameter, bourrelet, max. ------------------------
Gage
101.
Diameter, body, rear of rotating band, max. -----------
Gage
102.
Radius, base of projectile ------------------------
Visual/Ga
103.
Weight ---------------------------------------------
Balance
104.
Minor:
Paint not dry ---------------------------------------
Tactile
201.
202.
Marking incorrect, incomplete, illegible, or missing --
Visual
Paint inadequate ------------------------------------
Visual
203.
Paint on rotating band --------------------------------
Visual
204.
Foreign matter -------------------------------------
Visual
205.
Rotating band damaged -------------------------------
Visual
206.
MIL-STD-651 shall apply in defining and evaluating visual defects.
A rotating band blank which is deformed or judged to lack sufficient
metal in any-part of its width or thickness to provide for complete band
seat fill and minimum rotating band profile dimensions shall be classed
defective.
Measurement of knurling for compliance with the minimum depth and width
requirements shall apply where visual inspection indicates that the depth
or width dimension is borderline.
Measurement of surface roughness shall apply where visual inspection
indicates that the specified finish is exceeded.
If the nose moves with respect to the projectile body under thumb and
finger pressure applied in the lateral or axial direction, the projectile
shall be classified defective.
Measurement of the base radius shall apply where visual inspection
indicates that the base radius of the projectile is borderline.
4.4.4 Tests. The tests listed in Table I shall be performed on each
projectile lot in accordance with the test methods prescribed in 4.5.
Only projectiles having met the visual and dimensional requirements and
having been selected in such a manner that the sample is representative
of the entire lot shall be used in the tests. The selected projectiles
shall be thoroughly mixed before being divided into samples for the various
tests. Sample size and acceptance criteria for each test shall be as
specified.
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