MIL-PRF-27G
2.3 Non-Government publications. The following documents form a part of this document to the extent specified
herein. Unless otherwise specified, the issues of the documents which are those listed in the solicitation or contract.
ASSOCIATION CONNECTING ELECTRONICS INDUSTRIES
J-STD-004 - Requirements for Soldering Fluxes.
J-STD-006 - Requirements for Electronic Grade Solder Alloys and Fluxed and Non-Fluxed Solder Solders for
Electronic Soldering Applications.
(The private sector and other Government agencies may purchase copies from the Association Connecting
Electronics Industries, https://www.ipc.org ).
AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)
ANSI/NCSL Z540.3 - Calibration Laboratories and Measuring and Test Equipment General Requirements.
(Copies of this document are available from https://www.ncsli.org/ or from the National Conference of Standards
Laboratories(NCSL) International, 1800 30th Street, Suite 305, Boulder, CO 80301-1026.)
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION
ISO 10012
- Measurement Management Systems -- Requirements for Measurement Processes and
Measuring
(Copies of these documents are available online at https://www.iso.org )
(Non-Government standards and other publications are normally available from the organizations that prepare or
distribute the documents. These documents also may be available in or through libraries or other informational
services.)
2.4 Order of precedence. In the event of a conflict between the text of this specification and the references cited
herein, the text of this specification takes precedence. Nothing in this document, however, supersedes applicable laws
and regulations unless a specific exemption has been obtained.
3. REQUIREMENTS
3.1 Specification sheets. The individual item requirements shall be as specified herein and in accordance with the
applicable specification sheet. In the event of any conflict between the requirements of this specification and the
specification sheet, the latter shall govern.
3.2 Qualification. The transformers and inductors covered by specification sheets furnished under this
specification shall be products that are manufactured by a manufacturer authorized by the qualifying activity for listing
3.3 Materials. The materials shall be as specified herein; however, when a definite material is not specified, a
material shall be used which will enable the transformers and inductors to meet the performance requirements of this
specification. Acceptance or approval of any constituent material shall not be construed as a guaranty of the
acceptance of the finished product.
3.3.1 Flammable materials. Insofar as practicable, materials used in the construction of the transformers and
inductors shall be nonflammable and non-explosive.
3.3.2 Corrosive materials. Corrosive materials used in any of the manufacturing processes shall be removed or
neutralized so that no corrosion will result from such use. Insofar as practicable, materials used in the construction of
transformers and inductors shall be noncorrosive.
3.3.3 Insulating materials.
3.3.3.1 Laminated phenolic materials. Laminated phenolic material, when used, shall be selected to enable the
part to meet the performance requirements of this specification. Additional information and guidance on laminated
materials is provided in 6.14.
3.3.3.2 Molded phenolic or melamine materials. Molded phenolic or melamine material, when used, shall be
selected to enable the part to meet the requirements of this specification. Additional information and guidance on
molded phenolic and melamine materials is provided in 6.15.
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