MIL-DTL-38999 Series III Connector D38999/26WA35SN with 35 Contacts and 500 Cycle Endurance
This MIL-DTL-38999 Series III compliant connector features triple-start threaded quick connection with anti-loose mechanism, designed for demanding military and aerospace applications.
- Compact design with small size and light weight
- High-density contact configuration
- EMI/RFI shielding capability
- Removable crimp contacts
- Anti-oblique mating protection
- Fireproof shell construction
- Multiple coating options available
- High-strength vibration performance under elevated temperatures
- Suitable for harsh sandstorm and damp environments
Shell materials available: Aluminum alloy, naval brass, stainless steel, or composite materials
| Shell No. | A (max) mm | B Thread | C (max) mm |
|---|---|---|---|
| 09 | 31.00 | M12*1-6g | 21.80 |
| 11 | 31.00 | M15*1-6g | 25.00 |
| 13 | 31.00 | M18*1-6g | 29.40 |
| 15 | 31.00 | M22*1-6g | 32.40 |
| 17 | 31.00 | M25*1-6g | 35.60 |
| 19 | 31.00 | M28*1-6g | 38.50 |
| 21 | 31.00 | M31*1-6g | 41.70 |
| 23 | 31.00 | M34*1-6g | 44.90 |
| 25 | 31.00 | M37*1-6g | 48.00 |
| Contact ID | Diameter (mm) | Resistance (mΩ) | Current (A) |
|---|---|---|---|
| 22D# | Φ 0.76 | ≤ 12.0 | 5.0 |
| 20# | Φ 1.00 | ≤ 5.0 | 7.5 |
| 16# | Φ 1.60 | ≤ 2.5 | 13.0 |
| 12# | Φ 2.40 | ≤ 1.5 | 23.0 |
| 10# | Φ 3.15 | ≤ 1.0 | 40.0 |
At 1GHz: minimum attenuation 85dB (F and W finishes)
At 10GHz: minimum attenuation 65dB (F finish)
At 10GHz: minimum attenuation 50dB (W finish)
| Service Rating | M (V) | I (V) | II (V) | N (V) |
|---|---|---|---|---|
| Sea Level | 1300 | 1800 | 2300 | 1000 |
| 21000m | 800 | 1000 | 1000 | 600 |
Normal conditions: ≥ 5000 MΩ
Damp heat conditions: ≥ 100 MΩ
W class: ≤ 2.5 mΩ
F class: ≤ 1.0 mΩ
K class: ≤ 5.0 mΩ
Shell Materials: Aluminum alloy, stainless steel, or copper-alloy
Plating Options:
- 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
Contact Material: Copper alloy with gold plating
Endurance: 500 cycles
Vibration Performance:
- Sine: 60g with temperature cycling (36 hours)
- Random: 44.1 grms (high temp), 49.5 grms (ambient temp)
Shock Resistance: 300g peak acceleration at 3ms half sinusoid
Contact Retention Force:
- 22D#: 45N
- 20#: 67N
- 16#: 111N
- 12#: 111N
- 10#: 111N
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.