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|  MIL-S-3664B
3.7 Finish. The finish of all pares shall be of the proper thickness for
the intended purpose, in accordance with MIL-F-14072. Finishes shall conform
to the following specifications as applicable (see figures 1 and 1A):
Anodic coatings, for aluminum and aluminum alloys:
MIL-A-8625
Cadmium plating:
QQ-P-416
Nickel plating:
QQ-N-290
Zinc plating:
ASTN B 633
3.8 Marking. The tag shall be permanently and legibly marked with the
type and length of the tuning shaft and the manufacturer's name or symbol,
as shown in detail 4 on figure 1A. Length shall be represented by a 3-digit
number indicating the length of the shaft in inches, as shown in the example
on figure 1A.
3.9 Workmanship. Tuning shafts shall be manufactured and workmanlike
manner in accordance with good design and sound practice.
4.
QUALITY ASSURANCE PROVISIONS
4.1 Responsibility for inspection. Unless otherwise specified in the con-
tract or purchase order, the contractor is responsible for the performance of
all inspection requirements as specified herein. Except as otherwise speci-
fied in the contract or order, the contractor may use his own or any other
facilities suitable for the performance of the inspection requirements speci-
fied herein, unless disapproved by the Government. The Government reserves
the right to perform any of the inspections set forth in the specification
where such inspections are deemed necessary to assure supplies and services
conform to prescribed requirements.
4.2 Classification of inspection. Unless otherwise specified (see 6.2),
the inspection requirements specified herein are classified as follows:
a.
First article inspection (see 4.2.1).
b.
Quality conformance inspection (see 4.2.2).
*
4.2.1 First article inspection. First article inspection shall be applied
to the first article item or initial production item noted in 3.1. Unless
otherwise specified (see 6.2), first article inspection shall consist of the
examination in 4.2.3 and all tests under 4.4. Failure of the first article
to pass the examination or any of the tests, shall be cause for rejection.
The sample shall consist of the following specimens:
a.
One 10 foot shaft assembly, complete.
b.
One 10 foot length of casing.
c.
One 10 foot length of shafting.
d.
One 8 inch length of shafting for "torque to rotate" test.
7
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