D38999/24MH21JC
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 YACT24MH21JCV00100
The D38999/24MH21JC is a high-performance MIL-DTL-38999 III (D38999) jam nut receptacle, designed for use in harsh environments. With 21 gold-plated socket contacts, it ensures reliable connectivity in demanding applications. Featuring a composite shell with electroless nickel plating, this connector offers excellent durability and corrosion resistance. Its triple start threaded mating type provides secure connections, while its wide operating temperature range of -65 to 200 °C (-85 to 392 °F) allows for versatility in extreme conditions. With a voltage rating of 1250 V DC, 2300 Vrms, and 900 V AC, as well as a current rating of 7.5 A, this connector is suitable for high-power and high-reliability systems. RoHS-compliant and with a service class of M, the D38999/24MH21JC is a top choice for aerospace, defense, and other mission-critical applications. (Part aliases: YACT24MH21JCV00100)
Details
| Product Category: | |
| Manufacturer: | TE Connectivity | Deutsch |
| Manufacturer Part Number: | TE Connectivity | Deutsch D38999/24MH21JC |
| 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: | C |
| 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: | 1500 Cycles |
| Conductivity: | Conductive |
| Ingress Protection: | Environment Resistant |
| Contact Style: | Socket - 1500-Cycle Contact |
| Shell Type: | Jam Nut Receptacle |
| Product: | Standard Circular Connectors |
| Product Type: | Connector |
| Part Aliases: | YACT24MH21JCV00100 |
| Service Class Detail: | Nickel Plated Composite Shell |
| SKU: | DCHD38999/24MH21JC |
| Environmental Protection: | Yes |
| Entry Style: | Rear Insertion |
| Fluid Type: | M2-V / MIL-DTL-83133 (JP-8) / MIL-PRF-23699 / MIL-PRF-7808 / MIL-DTL-5624 (JP-4,JP-5) / SEA-AMS1424 Type I / Coolanol 25 / MIL-PRF-5606 |
| Weight: | 47.3 g / .1044 lb |
| Hermetically Sealed: | No |
| Insulation Material: | Hard Dielectric/Silicone |
| Environmental Protection Type: | Elastomer Sealed |
| O-Ring Material: | Silicone |
| Feedthrough Type: | No |
| Peripheral Seal Material: | Silicone |
| Keying: | Keyway Polarization C |
| Preloaded: | No |
| Keying and Polarized Position Locations: | C |
| Factory Installed Backshell: | No |
| Number of Power Positions: | 21 |
| Number of Signal Positions: | 0 |
| 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: | C |
| Flange: | Jam Nut Flange |
| Mating Retention: | With |
| Mating Alignment Type: | Keyed |
| Durability Rating: | 1500 Cycles |
| Circuit Application: | Power |
| Position Locations Omitted: | All |
| Connector Style: | Receptacle |
| Connector and Contact Terminates To: | Wire & Cable |
| Connector System: | Cable-to-Panel |
| Shielded: | Yes |
| Assembly Type: | Electrical Connector |
| Sealable: | Yes |
| Fluid Resistance: | Yes |
| Part Alias: | YACT24MH21JCV00100 |
Compliance
Environmental Initiative Details
| Environmental Initiative: | RoHS |
|---|---|
| Compliant: | Unknown |
| Date of this Information: | Unknown |
| Notes: |