D38999/ MIL-DTL-38999 Waterproof Military Connector Female/Male

Specification

Detailed Pictures

Contact layout

D38999 III series General Description

This series of round connectors, compliant with MIL-DTL-38999 III series requirements,
adopt Triple-start threaded quick connection, with an anti-loose mechanism, featuring small size,
light weight, high-density contacts, EMI/RFI shielding, removable crimp contacts, and anti oblique-mating;

This product has a fireproof shell, a variety of coatings, and vibration performance of high strength under high temperature, suitable for use in harsh sandstorm and damp circumstances.
With quick connection, anti-loose mechanism, EMI/RFI shielding, interface sealing, anti oblique-mating design, the material of shell is optional in aluminum-alloy, naval brass, stainless steel or composite.

Mechanical:

Shell: Aluminum alloy, stainless steel or copper-alloy

Plating:

W class: Olive green cadmium plating

K class: Stainless steel passivated

F class: Electroless nickel plating

Insulator: Thermo-set plastic

Grommet and seal: Silicon rubber

Contactor: Copper alloy with gold plated

Endurance: 500 cycles

Vibration:

Sine: 60g, with temperature cycling and simulated accessory (36 hours)

Random: 44.1 grms in high temperature/ 49.5 grms in ambient temperature

Shock: At 3 ms half sinusoid, peak value of acceleration: 300g

Contact resistance and current rating

Contact legend

Electrical continuity between shells:

W class ≤ 2.5 mΩ, F class ≤ 1.0 mΩ, K class ≤ 5.0 mΩ

EMI Shielding

100MHz~1GHz: minimum attenuation 85dB 

1GHz~100GHz: minimum attenuation 90dB

Withstanding Voltage (V) 

Insulation resistance:

 At 500Vdc, ≥ 5000MΩ

Operating temperature:

W, J class: -65℃~ +175℃

M, K, F class: -65℃~ +200℃

Salt spray:

F class: 48h

W class: 500h

K class:1000h

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