
Reference view of the listed series, shell style and finish. Confirm contact population and supplied configuration by drawing.
MIL-DTL-38999 Series III · catalog configuration
D38999/20WJ35SLN
D38999/20WJ35SLN is a MIL-DTL-38999 Series III wall-mount receptacle. The catalog configuration uses shell size J (25), insert arrangement 35, with 128 contact positions (128×22D).
Product number D38999/20WJ35SLN
- Series
- Series III
- Shell / insert
- J (25) / 35
- Contact positions
- 128 positions (128×22D)
- Material / finish
- Aluminum alloy; olive drab cadmium
Description
D38999/20WJ35SLN is a MIL-DTL-38999 Series III wall-mount receptacle. The catalog configuration uses shell size J (25), insert arrangement 35, with 128 contact positions (128×22D). The catalog lists Triple-start threaded, self-locking coupling and Aluminum alloy; olive drab cadmium. Select this reference with the full contact and keying code, panel or harness drawing, and intended mating half. Catalog configuration: SL (long PCB socket) contacts; keying N. Contact positions do not establish the contact population supplied with an order.
Configuration checklist
- Match the full ordering code and insert face to the supplied drawing.
- Confirm the mating half, contact gender, key position and coupling interface.
- Check shell style, rear configuration, cable exit and any accessory interface.
- Request the documents required for the offered unit; catalog values are not unit test results.
Technical Data
Ordering-code and insert data are catalog references. Electrical, environmental and mating-life values shown as catalog or family figures do not certify the supplied unit. Confirm the exact configuration and required evidence against its controlled drawing.
| Series and shell style | MIL-DTL-38999 Series III; Wall-mount receptacle |
|---|---|
| Shell size / insert arrangement | J (25) / 35 |
| Contact quantity and size mix | 128 positions (128×22D) |
| Coupling | Triple-start threaded, self-locking |
| Ordering-code service / finish suffix | W |
| Contact type / termination | SL (long PCB socket) |
| Keying / option | N |
| Shell material and finish | Aluminum alloy; olive drab cadmium |
| Insert service rating | M |
| Catalog withstand voltage at sea level | 1300 V |
| Catalog withstand voltage at 21 km | 800 V |
| Catalog current rating by contact size | 22D: 5 A/contact |
| Catalog contact resistance by size | 22D: ≤12 mΩ |
| Catalog operating temperature | -65 to +175 °C |
| Catalog salt spray | 500 h |
| Family catalog mating life | ≥500 mating cycles (family catalog) |
| Family catalog insulation resistance | ≥5000 MΩ normal (family, Tradin Connect catalog pp.46/73) |
| Family catalog shell continuity | ≤2.5 mΩ |
| Family catalog EMI shielding | ≥85 dB (100 MHz–1 GHz); ≥50 dB (1–10 GHz) (family, Tradin Connect catalog pp.46/72) |
| Catalog accessory thread | M 37×1-6g |
| Catalog drawing reference | Tradin Connect 2025 catalog p.57, 7.2 flange drawing |
| Catalog source | Tradin Connect 2025 catalog pp.45-47; Donconn pp.3-5 | Tradin Connect 2025 catalog pp.45-47,104-105 | Tradin Connect 2025 catalog p.105 row 71 |
| Data boundary | Catalog configuration; confirm the offered item and required qualification documents against its controlled drawing. |
Applications
These are selection and sourcing contexts for the listed catalog configuration. Suitability depends on the equipment interface, operating conditions and supplied-item documentation.
Buyer Q&A
Which shell and insert configuration is listed for D38999/20WJ35SLN?
The cited catalog lists shell J (25), insert 35, 128 contact positions with 128×22D. Use the full ordering reference when checking the supplied configuration.
What mounting information matters for D38999/20WJ35SLN?
The listed shell style is wall-mount receptacle. The catalog drawing reference is Tradin Connect 2025 catalog p.57, 7.2 flange drawing; compare its installation dimensions and rear interface M 37×1-6g with the equipment drawing.
How should a mating half be checked for D38999/20WJ35SLN?
Check the same MIL-DTL-38999 Series III, shell J (25), insert 35 and keying N, with complementary contact gender. Verify the two complete drawings; matching a family name does not establish interchangeability.
What should an RFQ for D38999/20WJ35SLN include?
Send D38999/20WJ35SLN, quantity, mating-half reference, mounting or harness drawing, contact/termination requirements and required documents. State any configuration changes separately from the base ordering code.
Similar Products
Compare adjacent catalog configurations and confirm mating, keying and rear interface by drawing.
D38999/20WJ35SLN · RFQ
Send the exact drawing and mating requirement
Include the mating part, cable or panel details, quantity and documentation required for your project.



