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MIL-P-45172F(MU)
3.
REQUIREMENTS
3.1 General. -The projectile metal parts shall be in accordance with the
requirements of Drawing (Dwg.) D7258805 and with all requirements of the
drawings and specifications shown thereon.
3.2 Manufacturing Process. -All parts and assemblies shall be manufactured
by a process approved by the contracting officer and no deviation from that
process shall be made without his prior approval.  (see 6.3)
3.3 Banding. -The rotating band blank and the rotating band seat shall be
clean at the time of banding.  Shot or sandblasting shall not be used to
clean the serrated band seat after knurling.  The rotating band blank shall
fill the band seat.
3.4 Soundness. -Metal discontinuity in the adapter, of the body, adapter
and rotating band assembly, Dwg. D7258804, as determined by eddy current
inspection, shall be less than that represented by Production Check
Standard (PCS) No. 1.
3.5 Adapter security. -The adapter shall remain secured to the body when
subjected to the tension loading specified on Dwg. D7258804.
3.6 Hardness. -The body, adapter and nose shall be in accordance with the
respective hardness requirements of Dwgs. D7258804, D7258807 (a detail of
D7258804) and C7258809 (a detail of D7258805).
3.7 Protective coating.
3.7.1 Phosphate coating .-The pretreatment process used shall be in accord-
ance with applicable requirements of Dwg. D7258805.  The phosphate coating
shall be as specified in the requirements of TT-C-490 for appearance and
minimum weight, as applicable to the type of phosphate coating.
3.7.2 Paint coating. -The paint coating shall be in accordance with applic-
able requirements of Dwg. D7258805.  Exterior paint adhesion shall be in
accordance with applicable requirements of TT-C-490.
3.7.3 Corrosion resistance. -The painted exterior surfaces of the projectile
body and adapter shall show no evidence of corrosion (red rust) after exposure
to a 5 percent solution of atomized salt spray for 24 hours.
3.8 Metal parts security. -The projectile metal parts assembled into cartridges
shall not separate or breakup in the test for metal parts security.
3.9 Workmanship. -The requirements for workmanship are as specified by
applicable drawings, reference specifications and the following:
3

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