| Attribute | Value |
|---|---|
| Product Category: | |
| Manufacturer: | TE Connectivity | Deutsch |
| Manufacturer Part Number: | TE Connectivity | Deutsch D38999/24MH21SD |
| Military Specification: | MIL-DTL-38999 III |
| Series: | DEUTSCH 38999 Series III Composite Connectors |
| Amperage: | 7.5 A |
| Connector Type: | Circular, Receptacle |
| Number of Contacts: | 21 |
| Mount Type: | Jam Nut |
| Contact Plating: | Gold |
| Maximum Operating Temperature: | 200 °C |
| Minimum Operating Temperature: | -65 °C |
| Voltage: | 1250 V DC, 2300 Vrms, 900 V AC |
| Shell Size: | 23 |
| Contact Size: | 16(21) |
| Contact Type: | Socket |
| Mating Type: | Triple Start Threaded |
| Shell Plating: | Electroless Nickel |
| Finish/Coating: | Electrodeposited Nickel, Electroless Nickel |
| Number of Positions: | 21 |
| Keyway Polarization: | D |
| Service Rating: | II |
| Shell Style: | Jam Nut Mounting Receptacle |
| Shell Size - Insert Arrangement: | H21 |
| 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 |
| Part Aliases: | YACT24MH21SDV00100 |
| Service Class Detail: | Nickel Plated Composite Shell |
| SKU: | DCHD38999/24MH21SD |
D38999/24MH21SD
| Heilind Number: | DCHD38999/24MH21SD |
| Manufacturer: | TE Connectivity | Deutsch |
| Manufacturer Number: | D38999/24MH21SD |
| 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
MIL-DTL-38999 III (D38999) harsh environment connectors are designed for demanding applications, offering wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs. Available in various shell sizes and insert arrangements, they utilize M39029 contacts in sizes 22D, 20, 16, 12, 10 power, and 8 twinax, providing versatility in connectivity. With options in aluminum, stainless steel, and lightweight composite shells, along with plating choices like olive drab cadmium and nickel, these connectors ensure durability and performance. RoHS-compliant finishes and Boeing BACC-approved designs guarantee regulatory compliance. Ideal for military applications, these connectors feature high amperage, voltage, and operating temperature ranges, making them reliable in extreme conditions. The jam nut receptacle, with 21 gold-plated contacts in a triple start threaded configuration, ensures secure connections. Its composite shell, electroless nickel-plated for added protection, meets stringent service ratings. With a contact mating life of 500 cycles and ingress protection, these connectors deliver long-term reliability in challenging environments.

