MIL-DTL-14852D (AR)
3.4.6 Rotating band clearance. The diametrical clearance between
the rotating band and the band seat shall not exceed 0.006 inch, when
the destructive method of testing is used; or 0.009 inch when the non-
destructive method of testing is used.
3.5 Metal defects.
3.5.1 Body. The body, including the cavity, shall be free of
cracks, splits, cold shuts, inclusions, pipe, porosity, bursts, folds,
seams and other metal defects.
3.5.2 Body cavity. The body cavity shall be free from scale,
fins, burrs, draw marks, laminations, imbedded foreign matter, pits
and sharp edges.
3.5.3 Base plug. The base plug shall be free from cracks, splits,
cold shuts, inclusions, pipe, porosity, bursts, folds, seams and other
metal defects.
3.6 Ballistic test. The projectile assembly shall reveal no
evidence of metal parts failure when ballistically tested at excess
pressure (see 4.4.6.1). Metal parts failure shall be defined as:
3.6.1 Breakup. There shall be no loss or breakup of metal parts
components in the gun bore, in flight or downrange.
3.6.2 Rotating band failure. There shall be no loss or fanning of
the rotating band.
3.6.3 Shearing of rotating band. There shall be no shear of
rotating band as evidenced by complete lack of engraving.
3.7 Workmanship.
3.7.1 Foreign matter. No part or assembly shall contain dirt,
grease, chips, oil, rust, corrosion or other foreign matter.
3.7.2 Burr, sharp edges and cracks. No part shall have a burr,
sharp edge, and/or cracks which might interfere with the assembly or
function of the round or which might be injurious to personnel
handling the item.
3.7.3 Threads. Threads shall be full and undamaged for the entire
minimum length or depth as specified on drawing 10534902.
3.7.4 Painting. Painting shall comply with the requirements of
the applicable drawing. All paint shall be dry to the touch before
packing for shipment. The paint shall be considered dry when the soft
tacky condition no longer exists and the paint feels firm when touched
with a finger using moderate pressure.
3.7.5 Protection of rotating band. The machined rotating band
shall be protected from being nicked, burred or otherwise damaged in
subsequent handling prior to shipment.
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