MIL-DTL-28839/1A
REQUIREMENTS:
Dimensions and configuration: See figure 1.
Material: Accordance with ASTM-B241/B241M Aluminum alloy 1060, 1100, 6061, or 6063.
Frequency range: 2.65 3.20 GHz.
VSWR: 1.07, maximum.
Attenuation: .011 dB per foot.
Axial twist: 6.0 degree per foot.
Bending radii (minimum):
E plane: 20 inches (51 cm).
H plane: 42 inches (107 cm).
Surface roughness: 63 microinches
Military part number: M28839/-01- (Three digits indicating the nominal length of the waveguide; i.e., -030 identifies
a length of 30 feet).
Cross reference data:
Dash
AN
Manufacturers'
Commercial type
NSN
Number
nomenclature
code
01-xxx
RG- 387/U
94661
PM457-10-1
5985-01-018-5848
Referenced documents. In addition to MIL-DTL-28839, this specification sheet references the following documents:
ASTM-B241/B241M
The margins of this specification are marked with vertical lines to indicate where modifications from this 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.
Custodians:
Preparing activity:
Army CR
Navy EC
Air Force 85
DLA CC
DLA CC
(Project 5985-2013-016)
Review activities:
Army MI
Navy SH, OS
Air Force 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.dla.mil/.
2
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