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MIL-B-48447A(MU)
4.4 Special Sampling.
4.4.1 General. - One body assembly shall be selected at random as
a special sampling from each 100 produced. The sample shall meet the
requirements and test in Table II.
TABLE II
TEST PROCEDURE
REQUIREMENT.
NO.
CHARACTERISTIC
Applicable Drawings-
3.1
Fabrication
301.
Visual
MIL-F-13926, MIL-O-
3.3
General Specification
302.
13830 - Visual
NOTE:
The tests in Table 11 shall be conducted at a temperature
0
between 60 and 90 F.
4.4.2 Environmental. - Three body assemblies shall be selected at
random as samples from each 50 produced, or from each month's production,
whichever occurs first. Each sample shall meet the requirements and tests
in Table III and shall then meet the requirements and tests in 4.3.2.3 and
in Table I.
TABLE III
TEST PROCEDURE
REQUIREMENT
NO.
CHARACTERISTIC
303.
Storage temperature
4.6.1
(-80 to +160F)
3.4.1
4.6.7.9.1
3.17.1
Operability, diopter movement
304
4.6.7.9.2
3.17.2
Operability, focusing lock
305 l
306.
Operability, objective
4.6.7.9.3
3.17.3
focusing mechanism
4.6.7.9.4
3.17.4
Operability, filter Assembly
307.
NOTE:
The tests for Characteristic 304 through 307 inclusive, shall
be conducted at -40 and at +150F.
4.4.3 Verification, folllow-up. - Three body assemblies shall be
randomly selected as samples from production lots at 25 percent, 50 per-
cent and 75 percent completion interval of each production order or con-
tract. Each sample shall meet the requirements and tests in Table IV.
TABLE IV. CLASSIFICATION OF DEFECTS
TEST PROCEDURE
REQUIREMENT
NO.
CHARACTERISTIC
Collimation, Pre-Vibration
308.
4.6.3
3.10.1
setting
4.6.4.1
3.4*3
Vibration "A"
309,
ColLimation change due to
310 l
4.6.7.1
3.11.1
Vibration
4.6.3
3.10.1
Collimation Pre-Shock setting
311.
4.6.4.3
3.4.5
Shock
312.
4.6.7.1
Collimation change due to shock
3.11.1
3130
9

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