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|  MIL-F-21572(Wep)
4.2.2 Service Approval Tests -At the completion of the contractor's demonstration
tests and when requested by the procuring activity, the equipment shall be delivered to a
specified government laboratory for additional testing. This additional testing may consist
of duplicating tests previously conducted and such other tests as are deemed necessary to
determine compliance with all applicable design and performance requirements.
4.2.2.1 Accessory Material - In addition to the complete equipment submitted for
service approval tests, the contractor shall also submit the accessory material and design
and test data specified in Specification MIL-E-5400. This information shall indicate the physi-
cal and electrical characteristics of the equipment and establish the equipment's compliance.
with applicable requirements.
4.2.3 Scope of Tests - Preproduction tests shall include all tests deemed necessary
to determine that the equipment meets all the requirements of this specification and the con-
tract . . . . . Preproduction tests shall include environmental tests in accordance with Specification
MIL-T-5422 and interference tests in accordance with Specification MIL-I-6181.
4.2.4 Preproduction Approval - Approval of the preproduction model shall be by the
procuring activity upon satisfactory completion of all tests. No production equipments shall
be delivered prior to the approval of the preproduction model. Prefabrication of production
equipment prior to the approval of the preproduction model is at the contractor's own risk.
The approved preproduction model will be returned to the contractor for his use in the fabri-.
cation and testing of equipment to be submitted for acceptance. The preproduction model shall
not be considered as one of the equipments under the contract; however, it may be reworked
by the contractor and submitted for acceptance as a production equipment.
4.3
Production Sample Tests - When requested by the procuring activity, one equip-
ment shall be selected from the first 10 production equipments submitted for acceptance and
sent to a designated government laboratory for tests. The equipment shall be selected by the
government inspector after the equipment has successfully passed all individual tests.
4.3.1 Scope of Tests - This equipment may be subjected to any and all tests the pro-
curing activity deems necessary to assure that the production equipment is equivalent to the
previously approved preproduction sample in design, construction and performance and `that
it meets all applicable requirements.
4.3.2 Production Sample Approval - Approval of the production sample shall be by
the procuring activity upon satisfactory completion of all tests. Any design, material or
performance defect made evident during this test shall be corrected by the contractor to the
satisfaction of the procuring activity. Upon failure of the production sample to pass any of
the tests, deliver y of equipment under the contract shall cease until proper corrective action
is approved and accomplished. Corrective action shall also be accomplished on equipment
previously accepted when requested by the procuring activity.
4.3.3 Reconditioning of Production Test Sample -On completion of the production sample
test the equipment shall be reworked by the contractor by replacing all wear or damaged items.
After reworking the contractor shall resubmit the equipment for acceptance.
4.4 Acceptance Tests - The contractor shall furnish all samples and shall be responsible
for accomplishing the acceptance tests. All inspection and testing shall be under the supervision
of the government inspector. Contractors not having testing facilities satisfactory to the pro-
curing activity shall engage the service of a commercial testing laboratory acceptable to the
procuring activity. The contractor shall furnish test reports showing quantitative results for
all acceptance tests. Such reports shall be signed by an authorized representative of the con-
tractor or laboratory, as applicable. Acceptance or approval of material during the course
of manufacture shall not be construed as a guarantee of the acceptance of the finished product.
Acceptance tests shall consist of the following:
(1) Individual Tests
(2) Sampling Tests
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