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MIL-T-12407X(AT)
4.2 Government verification. Quality assurance operations performed by the contractor
will be subject to Government verification at unscheduled intervals. Verification will consist of
observation of the operations to determine that practices, methods, and procedures of the
contractor's inspection are being properly applied. Failure of the contractor to promptly correct
product deficiencies discovered shall be cause for suspension of acceptance until correction has
been made or until conformance of product to specification criteria has been demonstrated.
4.3 First production vehicle inspection. The first vehicle produced under the contract
shall be inspected by the contractor at his plant under the direction and in the presence of
Government representatives. The purpose of the inspection shall be to determine vehicle
conformance to the contract. Acceptance of the first production vehicle shall not constitute a
waiver by the Government of its rights under the provisions of the contract.
*
4.3.1 Vehicle weight. The first production vehicle shall be weighed to determine the curb
weight and the distribution of the curb weight on the front and rear axles. The total imposed
loading on the front and rear axles shall be computed by the contractor and verified by the
Government, using the curb weight, the operator and assistant driver weight at 175 pounds each
and the minimum payload required to provide the specified GVW (see 3.2.5). The calculated
imposed loads on the front and rear axles shall be compared to the suspension, axle, and tire load
capacity ratings to determine if these components are of adequate capacity to meet contractual
requirements.
*
4.3.2 Road test. The first production vehicle shall be examined and road tested by the
contractor, with driver, assistant driver and payload (see 3.2.5). The payload shall be not less
than 1,400 pounds. Payload shall consist of four weights of not less than 240 pounds placed in
each of the four litter rack travel positions plus an evenly distributed load to provide the
remainder of the 1,400 pound payload. The road test shall be for a distance of not less than
100 miles. Approximately 60 percent of this mileage shall be on paved streets or highways at
speeds of up to at least 55 mph; 30 percent on gravel or dirt roads at speeds of up to at least
35 mph; and not less than 10 percent in simulated or actual cross-country operation at speeds
applicable to the terrain. Cross-country operation is defined as travel over open fields, rolling and
side sloping hills, and rough and muddy terrain.
*
4.3.3 Heating, ventilation, and air conditioning systems. The heating, ventilating and air
conditioning systems shall be operated to determine that the controls and system are functioning.
The contractor shall certify that the supplied systems meet the requirements in 3.4.15, 3.6.8 and
3.6.10. Certification shall be based on test data or calculations showing that the system offered
will meet the specified requirements.
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