MIL-DTL-85/3D
TABLE IV. Materials.
Resistivity @ 20°C (max)
Material
Conductivity
Specification Reference
2/
(percent) 1/
(microhm-cm)
Aluminum alloy 6061
4.00
40 to 45
ASTM-B308/B308M
Copper: OF
1.77
101
ASTM-B249/B249M
DLP
1.793
up to 100
ASTM-B75
Bronze (90 Cu/10 Zn)
3.9
44
ASTM-B249/B249M
Silver, coin
2.03
85
ASTM-B617
1/ 172.41 / resistivity = % IACS (International Annealed Copper Standard).
2/ Copies are available through ASTM International, 100 Barr Harbor Drive, West Conshohocken,
Pennsylvania, U.S. 19428-2959 or https://www.astm.org/.
Referenced documents. In addition to MIL-DTL-85, this specification sheet references the following
documents:
ASTM-B75
ASTM-B249/B249M
ASTM-B308/B308M
ASTM-B187/B187M
ASTM-B152/B152M
ASTM-B617
The margins of this specification sheet are marked with vertical lines to indicate where changes from the
previous revision 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 5985-2012-004)
DLA - CC
Review activities:
Army - AR, CR4, MI
Navy - AS, MC, OS, SH
Air Force - 19, 71, 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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