MIL-PRF-22097/4F
6.2 Acquisition requirements. Acquisition documents must specify the following:
a.
Title, number, and date of this date of this specification, the applicable associated specification, and the
complete PIN.
b.
Unless otherwise specified (see 2.1), the versions of the individual documents referenced will be those in
effect on the date of release of the solicitation.
c.
Packaging requirements (see 5.1).
d.
Allowable substitution.
6.3 Weight. The maximum weight is .046 ounces (1.3 grams).
6.4 Tin whisker growth. 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).
6.5 Supersession data. Characteristic B has been deleted and have been replaced by characteristic C.
6.6 Substitution data. The resistors specified herein are not for use in new design except for terminal type "L".
They are authorized for use in existing design contracts and to support existing military equipment. Resistors
specified in MIL-PRF-39035/2 are preferred for design, and regardless of the failure rate designation can be used as
substitutes for the inactivated resistors of the same resistance value, tolerance, and characteristic performance of the
specification.
6.7 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.
Custodians:
Preparing activity:
Army - CR
DLA - CC
Navy - EC
Air Force - 85
(Project 5905-2010-020)
DLA - CC
Review activities:
Army - AR, AT, AV, CR4, MI
Navy - AS, MC, OS
Air Force - 19, 99
NOTE: The activities listed above were interested in this document as of the date of this document. Since
organizations and responsibilities can change, you should verify the currency of the information above using the
ASSIST Online database at https://assist.daps.dla.mil.
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