MIL-DTL-9129G
3.9 Workmanship. Dischargers shall be processed in such a manner as to be uniform in quality and shall be free
from cracked, loose, or displaced parts, sharp edges, burrs, and other defects that will affect life, serviceability, or
ability to meet the requirements of this specification.
VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are classified as follows:
a. First article inspection (see 4.4).
b. Conformance inspection (see 4.5).
4.2 Test equipment and inspection facilities. The manufacturer shall establish and maintain a calibration system in
accordance with ISO/IEC 17025, ISO 10012, or equivalent system as approved by the qualifying activity.
4.2.1 Mounting for test. Unless otherwise specified, the dischargers shall be mounted by the normal method,
including the use of appropriate adhesives if applicable. Non-integral dischargers shall be tested with all applicable
holders as specified in the specification sheets.
4.3 Inspection conditions. Unless otherwise specified herein, all inspections shall be performed in accordance with
the test conditions specified in the "GENERAL REQUIREMENTS" of MIL-STD-202.
4.4 First article inspection. First article inspection shall be performed by the manufacturer on sample units
produced with equipment and procedures normally used in production, after award of the contract and prior to
production, at a laboratory acceptable to the government (see 6.3).
4.4.1 Sample. Unless otherwise specified, 10 dischargers (see 3.1) shall be submitted for first article inspection.
The sample shall be taken from a production run or shall be produced with equipment and procedures normally used
in production. An additional two samples shall be required for dischargers being inspected to include the magnetism
characteristic (see 3.6.15). An additional two samples shall be required for dischargers being inspected to include
the lightning survivability characteristic (see 3.6.16).
4.4.2 Inspection routine. The sample units shall be subjected to the first article inspection specified in table I in the
order shown. All sample units shall be appropriately coded or otherwise identified to indicate the tests to which each
was subjected. All units shall be subjected to the group I inspection. After group I inspection, the sample units shall
be divided and subjected to inspection specified in table I. Non-integral dischargers that can interface with multiple
holders shall be subject to the applicable tests in table I with only one of those holders. After completion of the tests
in table I with one of the holders, dischargers shall be tested for vibration, lightning transfer and salt spray with each
additional holder listed in the specification sheets. There shall be two sample units subjected to vibration, lightning
transfer and salt spray, tested sequentially in that order.
4.4.3 Failure. Failure in any of the applicable inspection elements shall be cause for refusal to accept the first
article inspection.
4.4.4 Test verification and samples. The manufacturer shall provide verification to the procuring activity that the
first article inspection has been performed on the samples supplied to the requirements of this specification. The
tested dischargers shall be identified to indicate the applicable tests to which each has been subjected. The
Government reserves the right to require the manufacturer to furnish additional untested samples.
4.5 Conformance inspection.
4.5.1 Inspection of product for delivery. Inspection of product for delivery shall consist of Group A and Group B
inspections.
4.5.1.1 Inspection lot. An inspection lot shall consist of all dischargers of the same type produced under
essentially the same conditions, and offered for inspection at one time. The lot may include the entire contract
quantity, or it may be the production of any convenient time period at the choice of the Government inspector.
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