MIL-DTL-13777K
TABLE XIII. Conversion list - Continued.
XXXIII
S031170
XVII
031355
XXXV
S031640
FCPD No. 86
040695
XXXIV
S080625
VI
090675
VIII
130685
X
150885
XXI
150915S
XXXVI
S160878S
XXXII
S161375S
XXXVI
S190965S
XIII
200935
XIX
211055
XXII
211115S
XX
211345
P26
261065S
D37
371065S
6.7.1 Superseded classification references. Listed in table XIV and table XV for reference purposes only are
obsolete classification data appearing in superseded versions of this document and in older drawings.
Reference to class, grade or insulation compound is no longer required since this revised specification covers
only one sheath material, one grade of cable and one type insulation compound for all previously referenced
classifications.
TABLE XIV. Obsolete classification data.
Classification
Previous designation
Present coverage
Class (Sheath)
A, B, C
C
Grade (Cable)
1, 2
1
A,B
A
A,B
Polyethylene
Composition (Insulation)
C,D,E
Polyethylene
6.8 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).
6.9 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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