MIL-DTL-83739D
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the contract or order
(see 6.2). When packaging of materiel is to be performed by DoD or in-house contractor personnel, these personnel
need to contact the responsible packaging activity to ascertain packaging requirements. Packaging requirements are
maintained by the Inventory Control Point's packaging activities within the Military Service or Defense Agency, or
within the military service's system commands. Packaging data retrieval is available from the managing Military
Department's or Defense Agency's automated packaging files, CD-ROM products, or by contacting the responsible
packaging activity.
6. NOTES
(This section contains information of a general or explanatory nature which may be helpful, but is not mandatory.)
6.1 Intended use. Switches covered by this document are designed for use with RF coaxial transmission line
systems.
6.2 Acquisition requirements. Acquisition documents must specify the following:
a.
Title, number, and date of this specification, the applicable specification sheet, and the complete PIN.
b.
Specify when aluminum should not be anodized (see 3.4.1).
Packaging requirements (see 5.1).
c.
d.
Special marking, if required.
6.3 First article acceptance. Information pertaining to first article inspection and approval of products covered by
this specification should be obtained from the acquiring activity.
6.4 Fungus-inert materials (see 3.4.3 and Table I). MIL-HDBK-454, Guideline 4 provides guidance on fungus-inert
materials.
6.5 Subject term (key word) listing.
Coaxial transmission line
Finish
Printed circuit boards
Connectors
Housings
Semiconductor devices
Dissimilar metals
Insertion loss
Transition time
Electromagnetic interference
Isolation
VSWR
6.6 Tin whisker growth (see 3.4.4). The use of alloys with tin content greater than 97 percent, by mass, may
exhibit tin whisker growth problems after manufacture. Tin whiskers may occur anytime from a day to years after
manufacture and can develop under typical operating conditions, on products that use such materials. Conformal
coatings applied over top of a whisker-prone surface will not prevent the formation of tin whiskers. Alloys of 3 percent
lead, by mass, have shown to inhibit the growth of tin whiskers. For additional information on this matter, refer to
ASTM-B545 (Standard Specification for Electrodeposited Coatings of Tin).
6.7 Environmentally preferable material. Environmentally preferable materials should be used to the maximum
extent possible to meet the requirements of this specification. As of the dating of this document, the U.S.
Environmentally Protection Agency (EPA) is focusing efforts on reducing 31 priority chemicals. The list of chemicals
and additional information is available on their website at https://www.epa.gov/osw/hazard/wastemin/priority.htm.
Included in the list of 31 priority chemicals are cadmium, lead, and mercury. Use of the materials on the list should
be minimized or eliminated unless needed to meet the requirements specified herein (see section 3).
6.8 Changes from previous issue. The margins of this specification are marked with vertical lines to indicate where
changes from the previous issue were made. This was done as a convenience only and the Government assumes
no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the
requirements of this document based on the entire content irrespective of the marginal notations and relationship to
the last previous issue.
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