MIL-DTL-83503/20D
REQUIREMENTS:
Design and construction:
Dimensions and configurations: See figure 1 and table I.
Mating connector: See MIL-DTL-83503/7.
Temperature range: -55°C to +120°C.
Voltage rating: 300 V rms.
Current rating: 1 ampere.
Materials:
Housing: The housing shall be glass filled polyester in accordance with MIL-M-24519, type GPT-15F,
GPT-20F, or GPT-30F.
Accessories: Parts may be constructed of polyester in accordance with MIL-M-24519, or other
materials specified in MIL-DTL-83503.
Polarization key: Shall be permanently attached to header (added feature key shall be bonded to
header).
Contacts: The contacts shall be phosphor bronze or brass. Phosphor bronze shall be in accordance
with ASTM-B139. Brass shall be in accordance with copper alloy CDA 260, spring temper; or copper
alloy UNS No. C72500 spring temper, in accordance with ASTM-B122.
Contact plating:
Contact area: Gold in accordance with MIL-DTL-83503.
Solder tail termination area: Gold, or tin-lead in accordance with MIL-DTL-83503.
Solderless wrappost contacts:
Wrappost geometry: .025 inch (0.64 mm) square wrappost in accordance with figures 2 and 3.
Parallelism: See figure 3 and table.
Tip configuration: The tip configuration of the wrappost shall terminate in a radius or bevel to
facilitate insertion of the wrapping tool. See figure 3.
Solderless wrappost contact wire accommodation: 28 or 26 AWG solid.
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