MIL-DTL-85K
DEPARTMENT OF DEFENSE STANDARDS
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Electronic and Electrical Component Parts.
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Marking of Electrical and Electronic Parts.
(Copies of these documents are available online at https://assist.daps.dla.mil/quicksearch or from the
Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.)
2.3 Non-Government publications. The following documents form a part of this document to the
extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the
solicitation or contract.
ASTM INTERNATIONAL
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Magnesium-Alloy Extruded Bars, Rods, Shapes, Tubes and wire
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Aluminum and Aluminum-Alloy Drawn Seamless Tubes and Wire
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Copper and Copper-Alloy Seamless Rectangular Waveguide
Tube
(Copies are available through ASTM INTERNATIONAL, 100 Barr Harbor Drive, West Conshohocken,
PA 19428; or at https://www.astm.org/.)
ASME INTERNATIONAL
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Surface Texture, (Surface Roughness, Waviness and Lay).
(Copies are available through ASME International, Three Park Ave., New York, NY 10016; or
2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between
the text of this document and the references cited herein (except for related specification sheets), the text of this
document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless
a specific exemption has been obtained.
3. REQUIREMENTS
3.1 Specification sheets. The individual item requirements shall be as specified herein and in
accordance with the applicable specified sheet. In the event of any conflict between the requirements of
this specification and the specification sheet, the latter shall govern.
3.2 Materials. Materials shall be as specified herein (see 3.1); however, when a definite material is not
specified, a material shall be used which will enable the waveguide to meet the performance
requirements of this specification (see 4.2 and 4.5.1). Acceptance or approval of any constituent material
shall not be construed as a guaranty of the acceptance of the finished product.
3.2.1 Aluminum alloy. Aluminum alloys 1100, 6061, and 6063 shall conform to the chemical
composition limits of ASTM-B210. Alloy 1100 waveguides 3.000 by 1.500 inches and under in outside
dimension shall be furnished in the H151 temper with a tensile strength of 17,000 pound-force per square
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inch (lbf/in ) minimum. Alloy 1100 waveguides over 3.000 x 1.500 inches outside dimension shall be
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furnished in the H112 temper with a tensile strength of 11,000 lbf/in minimum. Alloys 6061 and 6063
waveguides shall be furnished in the F temper.
3.2.2 Copper. Copper shall conform to type OF of DLP of ASTM-B372.
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