MIL-PRF-29504B
4.6.1 Samples. Fiber optic terminus samples complying with the
requirements specified herein and in the specification sheets (see 3.1) shall
be submitted for qualification certification. The manufacturer shall provide
a counterpart terminus for each terminus subjected to qualifying tests
requiring mating assemblies. The counterpart termini provided for this
purpose shall be new, previously qualified termini or new termini submitted
for qualification testing. Manufacturers not producing mating termini shall
substantiate that tests were performed with qualified counterpart termini.
For those tests specifying the use of mated termini, optical and mechanical
test assessment shall be made using the assigned counterpart termini for those
test measurements as required.
4.6.1.1 Sample size. Unless otherwise directed by the qualifying activity
(see 6.3), test samples of a minimum of 16 pin termini and 16 mating socket
termini of each PIN for which qualification is desired shall be selected at
random.
4.6.1.2 Sample preparation. Except for the group I inspection of table I
and unless otherwise specified herein, termini shall be fully assembled
utilizing two lengths of cable, each at least 5 meters long, containing fiber
as specified (see 3.1).
4.6.2 Inspection routine. Samples shall be subjected to the qualification
inspection specified in table I. Group I and group II inspections may be
performed in any order; however, group III inspections shall be performed in
the order specified in the qualification connector specification (see 3.1).
In cases where certain requirements are applicable only when specified (see
3.1), these tests shall be conducted in the order shown when specified in the
appropriate specification sheet (see 3.1). Tests which are not specified as
applicable shall not be conducted. All specimens shall be subjected to the
inspections of group I. Sixteen specimens shall be subjected to the
inspections of group II. Specimens as required by the qualification connector
specification (see 3.1) shall be subjected to the inspections of group III.
4.6.3 Failures. One or more failures shall constitute qualification
inspection failure.
4.6.4 Retention of qualification. To retain qualification, the
manufacturer shall verify in coordination with the qualifying activity the
capability of manufacturing products which meet the performance requirements
of this specification. Refer to the qualifying activity for the guidelines
necessary to retain qualification to this particular specification. The
manufacturer shall immediately notify the qualifying activity at any time that
the inspection data indicates failure of the qualified product to meet the
performance requirements of this specification.
4.6.4.1 Termini. For termini used in qualified connectors, the tests may
be conducted during the regularly scheduled retention of qualification testing
with the applicable connector undergoing retention of qualification.
4.6.5 Qualification by similarity. The extent of qualification by
similarity shall be as specified in the associated specification sheet and as
determined by the qualifying activity.
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