MIL-PRF-49404A(CR)
event of a Table III inspection failure, the time interval between the preceding successful
inspections and the failure shall not contribute to the total cumulative hours. Verification shall
continue until the total unit hours together with the total count of relevant equipment failures
permit either an accept or reject decision in accordance with Figure 5. Only equipment "on" time
shall contribute to the total unit hours. No single equipment's "on" time shall be less than one-
half the average operating time of all equipment "on" test.
4.2.4 Disposition of first article samples. First article samples shall not be considered as
part of the procurement quantities (see 6.2.c).
4.3 Inspection conditions for verification. Unless otherwise specified herein, the
Regulator shall be operated at +23°C, ±5°C. The input voltage shall be +9.5 to +10.0 Vdc.
Unless otherwise specified, all inspection set-up and load resistor tolerances shall be ±5 percent.
4.4 Conformance inspection.
4.4.1 Group A inspection. Group A inspection shall be conducted at an ambient
temperature of +23°C, ±5°C on all Regulators following the preconditioning of 3.8 and the
inspection of 4.2.1. Group A tests listed in Table III may be performed in any order. Failure of
any test shall be cause for rejection of that unit.
TABLE III. Group A inspection.
Inspection
Requirement paragraph
Test paragraph
Output voltage and output current
3.5.1
4.5.1
Output noise
3.5.4
4.5.4
4.4.2 Group B inspection. Not required.
4.4.3 Group C inspection. Group C inspections shall be conducted on Regulators selected
from units which have passed the tests in 4.4.1. The sample(s) shall be tested in accordance with
the inspections specified in Table IV. Samples shall be selected in accordance with the contract
and ANSI/ASQC Z1.4 (see 6.2.d).
TABLE IV. Group C inspection.
Inspection
Requirement paragraph
Test paragraph
Output voltage and output current
3.5.1
4.5.1
Output impedance
3.5.3
4.5.3
Vibration
3.6.5
4.6.5
4.4.3.1 Group C failures. Actions required relative to Group C failures shall be as
specified in the contract (see 6.2.e).
4.4.3.2 Disposition of Group C samples. Group C samples shall be accepted on contract
subsequent to the tests of Table III.
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