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Primary Round Malfunction
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Rocket, 2.75 Inch, Complete Round: Assembling, Packing and Testing
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XM255 Warhead Charge Circuit Resistance Test



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MIL-R-50263A (PA)
shall be as specified in 4.5.5.  If one or more defective
are found, the lot represented by the retest sample shall
be rejected.  If eight (8) or more tracers fail to ignite (see
3.4.12) within an XM255 twenty-four (24) round sample, the lot
represented by the sample shall be rejected with no retest
permitted.
4.4.4  Inspection Equipment.-The inspection equipment
required to perform the examinations and tests prescribed
herein is described in the "paragraph Reference/Inspection
Method" column in the Tables starting with paragraph 4.4.2.1
and including paragraph 4.4.3. The contractor shall submit
for approval inspection equipment designs in accordance with
the terms of the contract.  See Section 6 of MIL-A-48078 and
6.3 herein.
4.5
Test Method and Procedures
4.5.1 Materials, Components and Processes.-Compliance
with all requirements of Section 3 of this specification shall
be ascertained by current and continuing examination of in-
spection and test data to determine that all components (parts,
subassemblies, and materials) have been inspected and tested
and found to comply with their respective drawing and specifi-
cation requirements, and that all specified manufacturing
processes have been followed.
4.5.1.1 Visual and Mechanical Inspections.-The visual,
manual and mechanical inspections and tests shall verify com-
pliance with the requirements of Sections 3 and 5 of this
specification in accordance with 4.4.2 herein and Table I.
4.5.2 Components Assembly Torque Test (See 3.3).-A line
shall be ink marked or scribed across the junction(s) to provide
a means for detection of movement between the components,  The
minimum torque shall then be applied in the tightening direc-
tion.  Observation shall then be made for movement of the
components.  Any discernible movement shall be regarded as a
test failure (When thread sealing compound or adhesive is used
on the junction(s), the minimum torque shall be applied while
the compound or adhesive is wet).
4.5.2.1  Warhead-Fuze Combination Torque Test.-This test
applies to para. 4,4.2.2, 101; para. 4.4.2.3, 101.
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