MIL-DTL-18714F (OS)
TABLE XI. Conformance inspection by classification of characteristics for ignition cup and electrode assembly, drawing number 2434751
Conformance
Requirement
Inspection Method
Classification
Examination or Test
Criteria
Paragraph
Reference
Critical
AIE
C1
Note 6: There shall be a continuous fillet of the colored epoxy to the
100%
3.2 & 3.10
interface of the ignition cup insulator and the inner lip of the ignition cup as
shown. The fillet shall be fully cured (rigid) and not tacky. It shall be
continuous with no holes, cracks or breaks.
Major
AIE
M101
Note 3: A five pound min dead weight force applied to the (.100) electrode
3.2
Level IV
diameter [shall not unseat the electrode and electrode insulator, find no. 3,
from the ignition cup and the ignition cup insulator].
M102
Note 4: The electrode insulator shall not protrude forward of -B-.
AIE
3.2
Level IV
M103
Note 5: The assembly shall be thoroughly clean and dry prior to application
AIE
3.2 & 3.10
of epoxy.
Level IV
M104
Note 7: After curing, the volume of cavity shall be a minimum of 34
AIE or NSIG
3.2
microliters.
Level IV
M105
Note 8: No epoxy shall be present on other external surfaces.
AIE
3.2 & 3.10
Level IV
M106
Note 10: The insulation resistance between the electrode and ignition cup
AIE
3.2, 3.5 & 3.6
shall be 50 megaohms min with 500 VDC min.
Level IV
20
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