| Attribute | Value |
|---|---|
| Product Category: | |
| Manufacturer: | TE Connectivity | Deutsch |
| Manufacturer Part Number: | TE Connectivity | Deutsch D38999/24MH55SD |
| Military Specification: | MIL-DTL-38999 III |
| Series: | DEUTSCH 38999 Series III Composite Connectors |
| Amperage: | 7.5 A |
| Connector Type: | Circular, Receptacle |
| Number of Contacts: | 55 |
| Mount Type: | Jam Nut |
| Contact Plating: | Gold |
| Maximum Operating Temperature: | 200 °C |
| Minimum Operating Temperature: | -65 °C |
| Voltage: | 1800 Vrms, 600 V AC, 850 V DC |
| Shell Size: | 23 |
| Contact Size: | 20(55) |
| Contact Type: | Socket |
| Mating Type: | Triple Start Threaded |
| Shell Plating: | Electroless Nickel |
| Finish/Coating: | Electrodeposited Nickel, Electroless Nickel |
| Number of Positions: | 55 |
| Keyway Polarization: | D |
| Service Rating: | I |
| Shell Style: | Jam Nut Mounting Receptacle |
| Shell Size - Insert Arrangement: | H55 |
| Service Class: | M |
| Shell Material: | Composite |
| Operating Temperature Range: | -65 - 200 °C, -85 - 392 °F |
| Contact Gender: | Female |
| Contact Mating Life: | 500 Cycles |
| Conductivity: | Conductive |
| Ingress Protection: | Environment Resistant |
| Contact Style: | Socket |
| Shell Type: | Jam Nut Receptacle |
| Product: | Standard Circular Connectors |
| Product Type: | Connector |
| Service Class Detail: | Nickel Plated Composite Shell |
| Part Aliases: | YACT24MH55SDV00100 |
| SKU: | DCHD38999/24MH55SD |
D38999/24MH55SD
| Heilind Number: | DCHD38999/24MH55SD |
| Manufacturer: | TE Connectivity | Deutsch |
| Manufacturer Number: | D38999/24MH55SD |
| ECAD Model: |
Description:
MIL-DTL-38999 III (D38999) harsh environment connectors consist of wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs. They are offered in 9 shell sizes and 54 insert arrangements, utilizing M39029 contacts in sizes 22D, 20, 16, 12, 10 power, and 8 twinax. 38999 Series 3 connectors are offered in a variety of shell materials, including aluminum, stainless steel, and lightweight composite. They are also available in a wide assortment of plating options, including olive drab cadmium, nickel, black zinc nickel, and passivated stainless steel. Selection includes RoHS-compliant, cadmium-free finishes, as well as Boeing BACC-approved designs.
More >>Specifications
Detailed Description
The MIL-DTL-38999 III (D38999) harsh environment connectors are designed for rugged applications, offering reliable performance in demanding conditions. This series includes wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs, available in various shell sizes and insert arrangements. Utilizing M39029 contacts, they ensure secure connections in sizes ranging from 22D to 8 twinax. With a choice of shell materials such as aluminum, stainless steel, and lightweight composite, and plating options including olive drab cadmium, nickel, and passivated stainless steel, these connectors cater to diverse needs. Featuring RoHS-compliant and cadmium-free finishes, along with Boeing BACC-approved designs, they meet stringent industry standards. Designed for a wide operating temperature range and offering high voltage and amperage ratings, these connectors are ideal for military, aerospace, and industrial applications where durability and performance are essential.

