MIL-PRF-15305F
APPENDIX A
PROCEDURE FOR QUALIFICATION INSPECTION
A. SCOPE
A.1 Scope. This appendix details the procedure for submission of samples, with related data, for qualification
inspection of coils covered by this specification. The procedure for extending qualification of the required sample to
other coils covered by this specification is also outlined herein. This Appendix is a mandatory part of the specification.
The information contained herein is intended for compliance.
A.2. SUBMISSION
A.2.1 Sample
A.2.1.1 Single-type submission. A sample consisting of 27 sample units of each core material, style and individual
inductance value for which qualification is sought shall be submitted. Two additional sample units shall be submitted for
fungus test if certification is not provided.
A.2.1.2 Combined-type submission. A sample consisting of 18 sample units of the lowest inductance value and 18
sample units of the highest inductance value for each style covered by a single specification sheet (or Military
Standard) for which qualification is sought shall be submitted. Ten additional samples of any inductance value shall be
submitted for group VI tests. Two additional sample units of any inductance value shall be submitted for the fungus test
if certification is not provided.
A.3 Description of items. The manufacturer shall submit a detailed description of the coils being submitted for
inspection, including the material used for the coil form, encapsulation of molding, type of winding, wire size, insulation,
etc.
A.4 Identification for coils. Coils for which a coordinated MS Military Standard exists shall be identified by the type
designation of the coil described in the specification. Coils for which MS Military Standards do not exist shall be
identified by a type designation and by a descriptive document maintained by the responsible agency.
A.5. EXTENSION OF QUALIFICATION
A.5.1 Single-type. Qualification shall be restricted to the single-type designation submitted.
A.5.2 Combined-type submission. Qualification shall be restricted to all of the inductance values within a style
covered on a single specification sheet (or military standard) between the values passing qualification inspection.
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