D38999/24MH21SD
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.
Part Aliases: TE Connectivity | Deutsch YACT24MH21SDV00100
MIL-DTL-38999 III (D38999) harsh environment connectors are essential for rugged applications, featuring wall mount and jam nut receptacles along with self-locking RFI plugs. With 9 shell sizes and 54 insert arrangements available, these connectors accommodate various needs with M39029 contacts in sizes 22D, 20, 16, 12, 10 power, and 8 twinax. Constructed from durable materials such as aluminum, stainless steel, and lightweight composite, they offer reliable performance in demanding conditions. The wide range of plating options, including olive drab cadmium, nickel, and black zinc nickel, ensure corrosion resistance. Operating in temperatures ranging from -65°C to 200°C, these connectors guarantee functionality in extreme environments, making them ideal for military, aerospace, and industrial applications. With gold-plated contacts and triple start threaded mating, they provide secure and high-performance connections, meeting stringent military specifications and Boeing BACC approvals.
Details
| 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 |
| Environmental Protection: | Yes |
| Fluid Type: | M2-V / MIL-DTL-83133 (JP-8) / MIL-PRF-23699 / MIL-PRF-7808 / MIL-DTL-5624 (JP-4,JP-5) / MIL-PRF-5606 / SEA-AMS1424 Type I / Coolanol 25 |
| Weight: | 47.3 g / .1044 lb |
| Hermetically Sealed: | No |
| Insulation Material: | Hard Dielectric/Silicone |
| Environmental Protection Type: | Elastomer Sealed |
| O-Ring Material: | Silicone |
| Entry Style: | Rear Insertion |
| Feedthrough Type: | No |
| Peripheral Seal Material: | Silicone |
| Preloaded: | No |
| Keying: | Keyway Polarization D |
| Number of Signal Positions: | 0 |
| Factory Installed Backshell: | No |
| Number of Power Positions: | 21 |
| Keying and Polarized Position Locations: | D |
| Contact Quantity (Size 20): | 21 |
| Reverse Gender: | No |
| Contact Quantity (Size 16): | 21 |
| Contact Layout Arrangement: | H21 |
| Assembly Length: | 33 mm / 1.3 in |
| Accepts Wire Insulation Diameter Range: | 1.65 - 2.77 mm / .065 - .109 in |
| Panel Thickness: | .062 - .126 in / 1.58 - 3.2 mm |
| Wire Size: | 24 - 20 AWG / .2 - .52 mm² |
| Alignment Keyed: | Clocking |
| Panel Mount Feature: | With |
| Connector Mounting Type: | Panel Mount |
| Polarization Code: | D |
| Flange: | Jam Nut Flange |
| Mating Retention: | With |
| Mating Alignment Type: | Keyed |
| Durability Rating: | 500 Cycles |
| Circuit Application: | Power |
| Position Locations Omitted: | All |
| Connector and Contact Terminates To: | Wire & Cable |
| Connector Style: | Receptacle |
| Connector System: | Cable-to-Panel |
| Shielded: | Yes |
| Sealable: | Yes |
| Assembly Type: | Electrical Connector |
| Fluid Resistance: | Yes |
| Part Alias: | YACT24MH21SDV00100 |
Compliance
Environmental Initiative Details
| Environmental Initiative: | RoHS |
|---|---|
| Compliant: | Unknown |
| Date of this Information: | Unknown |
| Notes: |