PERFORMANCE SPECIFICATION SHEET
PRINTED WIRING BOARD, FLEXIBLE, SINGLE AND DOUBLE LAYER,
WITH OR WITHOUT PLATED–THROUGH HOLES, WITH OR WITHOUT STIFFENERS,
FOR SOLDERED PART MOUNTING
This specification is approved for use by all Departments
and Agencies of the Department of Defense.
The requirements for acquiring the product described herein shall consist
of this specification sheet and MIL–PRF–31032.
1. SCOPE
1.1 Scope. This specification covers the generic performance requirements for flexible, single and double sided
(one or two conductor layers) printed wiring boards (hereafter designated printed board) with or without plated holes
and with or without stiffeners that will use soldering for component/part mounting (see
6.1.1).
1.2 Classification. Printed boards covered by this specification are of the following types and installation uses.
1.2.1 Types. The printed board types are classified as follows, as specified (see 6.2).
Type 1 – Single-sided flexible printed board.
Type 2 – Double-sided flexible printed board.
1.2.2 Installation uses. The installation uses following describe the possible usage/application of the printed
boards (see
6.2.e).
Use A – The flexible printed board is capable of withstanding flexing during installation (flex–to–
install) (see 6.2.1.d).
Use B – The flexible printed board is capable of withstanding continuous flexing (dynamic flex) for a
number of cycles specified in the printed board procurement documentation (see 6.2.1.c).
2. APPLICABLE DOCUMENTS
2.1 General. The documents listed in this section are specified in sections 3, 4, or 5 of this specification. This
section does not include documents cited in other sections of this specification or recommended for additional
information or as examples. While every effort has been made to ensure the completeness of this list, document
users are cautioned that they must meet all specified requirements of documents cited in sections 3, 4, or 5 of this
specification, whether or not they are listed.
Comments, suggestions, or questions on this document should be addressed to Defense Supply Center,
Columbus, ATTN: DSCC–VAC, P.O. Box 3990, Columbus, OH 43218–3990, or emailed to
5998.Documents@dla.mil. Since contact information can change, you may want to verify the currency of this
address information using the ASSIST Online database at https://assist.daps.dla.mil/.
AMSC N/A FSC 5998
The document and process conversion
measures necessary to comply with
this revision shall be completed by
15 June 2010
SUPERSEDING
MIL–PRF–31032/3A
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