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|  MIL-T-45379D(AT)
4.4 First article inspection. First article inspections shall be performed on preproduction or
initial production samples as specified herein. Approval of the first article sample by the
Government shall not relieve the contractor of the obligation to supply vehicles that are fully
representative of those inspected as a first article sample. Any change or deviation of the
production units from the first article sample shall be subject to the approval of the contracting
officer.
4.4.1 Preproduction inspection. When specified (see 6.2), a preproduction vehicle
(see 3.1.1), shall be inspected as specified in table XIX to ascertain vehicle conformance with the
requirements of this specification. Inspection shall be performed at a location approved by the
Government.
4.4.1.1 Preproduction failure. Failure of a preproduction model to comply with any of the
requirements specified shall be cause for refusal by the Government to conduct a retest until
corrective measures satisfactory to the Government have been taken.
4.4.2 Initial production inspection. Unless otherwise specified (see 6.2), initial production
inspection shall consist of Manufacturer's Inspection and Government Proving Ground Vehicle
Test.
4.4.2.1 Manufacturer's inspection.
4.4.2.1.1 Special processes and in-process inspections. A special processes and in-process
inspection will be conducted by Government representatives during fabrication of the first
production vehicle to evaluate conformance of materials, processes and workmanship. As a
minimum, inspection shall cover the following:
a. Materials, welding, surface hardening, heat treating, protective finishes, etc. shall be
reviewed and evaluated for records, processing procedures and plan of quality
control.
b. The hull and turret shall be inspected individually prior to covering the weldments
with paint or other pertinent components or assemblies to verify welding processes
and fixture adequacy.
c. Hull assembly, turret assembly and break-in stations shall be reviewed and evaluated
for records, procedures and test equipment required by applicable quality assurance
requirements.
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