MIL-S-62549 Semitrailer, Low Bed, 40 Ton Nominal Payload For Transportation Of Heavy Engineer Construction Equipment, M870A2This specification covers a level frame, low bed semitrailer equipped with a folding gooseneck for front loading and movement of heavy engineer construction equipment.

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MIL-S-62549(AT)

4.1.5  Quality assurance provisions.  In the conduct of inspection, the contractor shall adhere to Quality Assurance Provisions (QAP) and General Quality Assurance Provision

(STA Form 458) as applicable and as required by the documents forming part of this specification.

4.1.6  Certification.  Where certification (see 4.8.1) is required to verify material or component conformance to a specification, the contractor shall furnish such certification along with documented test results and performance and analytical data, as applicable.

4.2  Classification of inspection:

a.   First article inspection (see 4.3).

1.   First production vehicle inspection (FPVI) (see 4.3.1).

2.   Shakedown test (see 4.3.2).

3.   Initial production test (IPT) (see 4.3.3).

b.   Quality conformance inspections (QCI) (see 4.4). c.   Control tests (see 4.5).

d.   Comparison tests (see 4.6).

4.3  First article inspection.  First article inspection shall be performed on the first production semitrailer and on three additional semitrailers, randomly selected by the Government, which shall be designated as initial production vehicles.  Approval of the first article samples shall not relieve the contractor of the obligation to supply semitrailers that are fully representative of those inspected as a first article sample.  Any change or deviation of production vehicles from the first article sample shall be subject to the approval of the contracting officer.

4.3.1  FPVI.

4.3.1.1  In-process inspection.  The first production vehicle (a) shall be inspected during fabrication to determine conformance of materials and workmanship to specified requirements. These inspections shall preceed application of primer and paint.  Processing and welding procedures, the quality system, inspection records, calibration procedures, welder certifications shall be reviewed and evaluated.

4.3.1.2  Completed vehicle inspections.

4.3.1.2.1  Contractor inspection.  The first production and initial production semitrailers shall be road tested and completely inspected by the contractor for conformance to the requirements of the contract and specification in its entirety.  The road test shall be as specified in 4.5.2.

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