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Page Title:
Effect of Sample Tests on Lot Disposition |
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|  MIL-F-81966(AS)
Size of Lot
Quantity to deselected
[See para. 4.4)
for Sampling Test
1-50
1
51-125
2
126-225
3
226 and over
4 Fuze Function
Control Sets plus 1 addi-
tional for each additional
.
200 (or fraction thereof)
in the lot.
4.4.2.1 Scope of Tests - As a minimum, each equipment selected for sampling
tests shall be subjected to the tests listed in column IIb of table 1.
4.4.2.2 Effect of Sample Tests on Lot Disposition - Unless otherwise specified
by the contract or purchase order, the lot from which sample test units are selected
shall be held pending completion of sample tests. Lot disposition shall be in
accordance with 4.5.2.
4.4.3 Reliability Assurance Tests - Reliability Assurance Tests shall be
conducted using MIL-STD-781. Tests as required by both the Qualification Phase and
the Production Acceptance (Sampling) Phase shall be conducted. Tests shall be
conducted on equipments that have passed the Manufacturing Run-In Test 4.4.1.3.
4.4.3.1 Qualification Phase - Prior to the acceptance of equipments under the
contract or order, a minimum of three equipments shall be tested as outlined in MIL-
STD-781, under the section entitled "Qualification Phase of Production Reliability
Tests". The maximum number of equipments to be used shall be those listed in table
5 of MIL-STD-781. For the qualification phase, Test Level F shall be used. The
accept-reject criteria for Test Plan V shall be used.
4.4.3.2 Reliability Samp ling Phase Tests - Samples of the equipment shall be
tested as outlined in MIL-STD-781 under the section entitled "Sampling Phase of
Production Reliability Tests". For the sampling phase, Test Level F shall be used.
;
The accept-reject trite- . for Test Plan V and the requirements of 3.3.2.5 shall be
used to determine the length of the tests (until an accept or reject decision is
reached).
4.4.3.2.1 Lot Size for Sampling Phase - The equipments constructed during 1
month shall be one lot. The Accept-Reject criteria for Test Plan V and the
requirements of 3.3.2.5 shall be used to determine the length of the tests in each lot.
Unless otherwise specified in the contract or order, no equipments shall be shipped
until an Accept decision is reached under each lot.
4.4.3.3 Test Details - The test details such as the length of the test cycle,
the length of the heat portion of the cycle, the performance characteristics to be
measured, and special failure criteria shall be as specified in this specification.
4.4.3.3.1 The Reliability Sampling Qualification Test shall be conducted on
AN/AWW-4(V) units selected from the preproduction sample - not the first production
lot as specified in MIL-STD-781.
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