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Acceptance and rejection
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Periscope, Tank: M32E1
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Contractor furnished inspection equipment



img
MIL-P-48571(MU)
310. operability, rotation of bore-
sight knob - Daylight and
Passive
3.4.2, 3.5.5
4.6.1.2, 4.6.2.5
311.  Operability, shutter lever and
on-off switch - Passive
3.4.2, 3.5.6
4.6.1.2, 4.6.2.6
312. Operability, gain adjust and
reticle brightness control -
Passive
3.4.2, 3.5.7
4.6.1.2, 4.6.2.7
313. Operability, focusing lock-
Daylight
3.4.2, 3.5.6
4.6.1.2, 4.6.2.8
314. Operability, objective focus-
ing mechanism - Daylight
3.4.2, 3.5.9
4.6.1.2, 4.6.2.9
NOTE:
The tests for characteristics 306 through 314 inclusive, shall
be conducted at -40 and +l50F.
4.4.4 Verification, follow-up.-  Three periscopes shall be randomly.
selected as samples from production lots at 25 percent, 50 percent and" 75
percent completion interval of each production order or contract. Each
sample shall meet the requirements and' tests in Table V.
TABLE V - CLASSIFICATION OF DEFECTS
NO.
CHARACTERISTIC
REQUIREMENT
TEST PROCEDURE
315.
COllimation, Pre-Vibiation
setting.
3.8.3.l
4.6.3.1
316.
Vibration "A"
3.6.1
4.6.3.2
317 l
Post-Vibration examination
3.6.1
4.6.3.5
318.
Post-Vibration collimation
3.8.3.2
4.6.3.6
319.
Collimation Pre-Shock setting
3.8.3.1
4.6.3.1
320.
Shock
3.6.3
4.6.3.4
321.
Post-Shock examination
3.6.3
6.6.3.5
322.
Post-Shock collimation
3.8.3.2
4.6.3,6
4.4.5 Failure of sample.- Should any one item of a special sampling
fail to meet the specified test requirements, acceptance of the represented
inspection lot shall be suspended by the Government,until necessary-corree-
tions have been made by the contractor and resubmitted samples have been
approved (see 4.3.3).
4.5 Inspection equipment.- Except as otherwise provided for by the
contract, the contractor shall supply and maintain inspection equipment in
accordance with the applicable requirements of MIL-I-45607.
4.5.1 Government furnished inspection equipment.- Where the contract
provides for Government furnished test equipment, supply and maintenance
of test equipment shall be in accordance with the applicable requirements
specified in MIL-I-45607.
14

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