MIL-DTL-83503/7E
Altitude: 200 V rms.
Contact resistance: 50 milliohms, maximum.
Materials:
Contacts: Contacts shall be made of beryllium copper or phosphor bronze. Beryllium copper shall be
in accordance with ASTM B196 or ASTM B197. Phosphor bronze shall be in accordance with
ASTM B139 or ASTM B103.
Contact plating: The contact mating area shall be gold plated 50 microinches (1.27 µm) minimum
(see MIL-DTL-83503).
Housing, cover, and strain relief: Glass reinforced polyester in accordance with MIL-M-24519, type
GPT-15F, GPT-20F, or GPT-30F. Cover retaining device may be made of stainless steel in
accordance with ASTM A240 class 301 or class 305 stainless steel.
Interface:
Cable: Flat cable, round conductor, 28 AWG stranded in accordance with MIL-C-49055/11,
MIL-C-49055/12 or Defense Supply Center Columbus (DSCC) drawing 92011. Flat cable conductor
spacing .05 inch (1.27 mm) between conductor centerlines. Overall cable thickness shall not
exceed .042 inches (1.07 mm).
Mating connectors: See MIL-DTL-83503/20, MIL-DTL-83503/21, MIL-DTL-83503/24, or
MIL-DTL-83503/25.
Printed wiring board (PWB): For PWB's these connectors mate with round or square post .025 inch
(0.64 mm). For proper contact engagement these connectors require a .230 inch (5.84 mm)
minimum contact pin length. (NOTE: These connectors are not intended to be stacked side by side
on a .100 X .100 inch (2.54 X 2.54 mm) pin field.)
Marking:
Contact identification: Molded triangle "A" or notch to show number 1 contact or raised numbers to
show position number "1".
Marking:
Part or Identifying Number (PIN): The PIN shall consist of the letter "M", followed by the basic
specification number, "/". The specification sheet number, "-" and the dash number from table I.
Example
-01
M83503/7
Basic document number
Dash number
4
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