MIL-D-21523A(Wep)
Classification of Tests - The inspection and
4.3
testing of the diaphragm assembly shall be classified as
follows:
4.3.1
Production Tests - These tests are to be
accomplished on each diaphragm assembly being submitted for.
acceptance under the contract. Production tests shall be
either performed by the manufacturer and witnessed by the
Government Inspector, or these tests may be conducted by
the Government Inspector. These tests are detailed in 4.5.
Preproduction and Periodic Tests
4.3.2
P-reproduction Tests - Preproduction tests are
4.3.2.1
those which are accomplished on samples which are selected
as specified in 4.2.1, which are representative of the pro-
duction of the diaphragm assembly, to determine that the
production meets the requirements of this specification.
These are detailed in 4.5 arid 4.6. `Acceptance shall-be
based on no-defects in the sample. Failure of the Sample
to comply with these requirements will result in the cessa-
tion of production until determination of cause of failure
is made and appropriate correction approved by the procur-
ing
activity.
Preiodic Tests - Periodic tests are those
4.3.2.2
which are accomplished on samples which are selected as
specified in 4.2.3, which are representative of the produc-
tion of the" diaphragm assembly, to determine that the pro-
duction meets the requirements of this specification.
These tests are detailed in 4.6.2. Failure of the sample
to comply with these requirements will result in the rejec-
tion of the lot.
Tests After Delivery - Unless otherwise speci-
4.3.3
fied in the contract, the Government reserves the right to
conduct any or all of the tests specified herein. as deemed
necessary after installation of the diaphragm assembly. Any
defects discovered before, during, or after these tests,
due to the contractor's failure to comply with drawings or
specifications for this equipment, shall be corrected by
the contractor at no expense-to the Government, provided the
contractor is notified of such defects within the guarantee
period of the contract.
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