KJA / KJB / D38999-Style Series III
Application / Market:
Series:
Our KJA/KJB D38999-Style Series III interconnects are designed for use in harsh military and aerospace environments. They feature high density layouts with up to 128 data connections and power contacts rated up to 23A, as well as triple-start coupling with anti-decoupling ratchet for high vibration applications, grounded plug for superior EMI shielding and 100% scoop-proof contacts for blind-mate coupling.
This product is not covered by the QPL/QML.
Features
- High Density Contact Arrangements
- Customize configurations including Filters, Hermetic (KJAY), Fiber Optics, High Speed
- Scoop Proof Design; Prevents damage to pin contacts
- Up to 128 contacts per connector
- Contact Size: 22D, 22M*, 22*, 20, 16 and 12
- Class F EMI Shielding
Searching for part specs, 2D drawings, 3D models (when available) or available stock?
Resources

CGE Sell Sheet

CA Bayonet Sell Sheet

OctoGig Sell Sheet

Quadrax Contacts Catalog

Quadrax Sell Sheet

KJA KJB 38999-Style Series III Sell Sheet

KJA KJB 38999-Style Series III Brochure

Chip-on-Flex Filter Connectors Catalog

38999-Style Connectors Catalog

38999-Style Space Grade Connectors Brochure

38999-Style Series III Composite Brochure

38999-Style Double Flange Sell Sheet

Military Ground Vehicle Sell Sheet
Product Specification
Electrical
Operating Voltage | N/A |
Current Rating | up to 23A |
Number of Signal Contacts (Min/Max) | 3-128 |
Gauge Wire Size | 12-28 AWG |
Environmental
Sealing | N/A |
Operation Temperature | -65°C to +200°C |
Mechanical
Industry # | Designed according to Mil-Spec 38999 |
Shape | Circular |
Shell Style | Wall mount receptacle, Jam nut receptacle, Straight Plug, Grounded |
Durability | 500 Mating Cycles |
Power & Signal In Same Layout | Yes |
Contact Style / Termination | Crimp, PCB |
Salt Spray | Up to 500 hours |
Material
Shell | Aluminum Alloy |
Shell Plating | Cadmium, Electroless Nickel, Black Electroless Nickel, Black Zinc Nickel, Black Zinc Cobalt, Green Zinc Cobalt |
Insulator | High Grade Thermoplastic |
Contact | Copper-Alloy |
Contact Plating | Gold |
Grommet and Seals | Silicone Based Elastomer |