D38999/24JJ20BA
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 YACT24JJ20BAV00100
MIL-DTL-38999 III (D38999) harsh environment connectors feature wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs. Available in 9 shell sizes and 54 insert arrangements with M39029 contacts in various sizes, these connectors are versatile for different applications. Constructed with aluminum, stainless steel, or lightweight composite shells, they offer durability in demanding conditions. With plating options including olive drab cadmium and nickel, they ensure reliable performance. RoHS-compliant and Boeing BACC-approved versions are also available, catering to environmental and industry standards. The jam nut receptacle variant, with a shell size of 25 and 30 contacts, is designed for triple start threaded mating, with a maximum operating temperature of 175°C and voltage ratings up to 1000 Vrms. Suitable for aerospace, defense, and other high-reliability applications, these connectors provide secure and efficient electrical connections in harsh environments. The part alias YACT24JJ20BAV00100 is also associated with this specific configuration.
Details
| Product Category: | |
| Manufacturer: | TE Connectivity | Deutsch |
| Manufacturer Part Number: | TE Connectivity | Deutsch D38999/24JJ20BA |
| Military Specification: | MIL-DTL-38999 III |
| Series: | DEUTSCH 38999 Series III Composite Connectors |
| Amperage: | 43 A |
| Connector Type: | Circular, Receptacle |
| Number of Contacts: | 30 |
| Mount Type: | Jam Nut |
| Maximum Operating Temperature: | 175 °C |
| Minimum Operating Temperature: | -65 °C |
| Voltage: | 1000 Vrms, 300 V AC, 450 V DC |
| Shell Size: | 25 |
| Contact Size: | 8(3), 12(4), 16(13), 20(10) |
| Contact Type: | Less Socket |
| Mating Type: | Triple Start Threaded |
| Shell Plating: | Cadmium Olive Drab |
| Finish/Coating: | Cadmium Olive Drab |
| Number of Positions: | 30 |
| Supplied Less Contacts: | Yes |
| Keyway Polarization: | A |
| Service Rating: | N, Coax, Twinax |
| Shell Style: | Jam Nut Mounting Receptacle |
| Shell Size - Insert Arrangement: | J20 |
| Service Class: | J |
| Shell Material: | Composite |
| Operating Temperature Range: | -65 - 200 °C, -85 - 392 °F |
| Contact Gender: | Female |
| Conductivity: | Conductive |
| Ingress Protection: | Environment Resistant |
| Contact Style: | Less Standard Socket Contacts |
| Shell Type: | Jam Nut Receptacle |
| Product: | Standard Circular Connectors |
| Product Type: | Connector |
| Part Aliases: | YACT24JJ20BAV00100 |
| Service Class Detail: | Cadmium Olive Drab Plated Composite Shell (Conductive) |
| SKU: | DCHD38999/24JJ20BA |
| Entry Style: | Rear Insertion |
| Feedthrough Type: | No |
| Fluid Type: | SEA-AMS1424 Type I / Coolanol 25 / MIL-PRF-5606 / MIL-DTL-5624 (JP-4,JP-5) / MIL-PRF-7808 / MIL-PRF-23699 / MIL-DTL-83133 (JP-8) / M2-V |
| Peripheral Seal Material: | Silicone |
| Weight: | .1095 lb / 49.6 g |
| O-Ring Material: | Silicone |
| Environmental Protection Type: | Elastomer Sealed |
| Insulation Material: | Hard Dielectric/Silicone |
| Hermetically Sealed: | No |
| Environmental Protection: | Yes |
| Number of Power Positions: | 20 |
| Number of Signal Positions: | 10 |
| Keying: | Keyway Polarization A |
| Keying and Polarized Position Locations: | A |
| Preloaded: | No |
| Factory Installed Backshell: | No |
| Contact Layout Arrangement: | J20 |
| Reverse Gender: | No |
| Contact Quantity (Size 8 Databus): | 3 |
| Contact Quantity (Size 12 Coax): | 4 |
| Contact Quantity (Size 16): | 13 |
| Contact Quantity (Size 20): | 10 |
| Contact Quantity (Size 22D): | 13 |
| Assembly Length: | 33 mm / 1.3 in |
| Wire Size: | 10 - 8 AWG / 5.26 - 8.37 mm² |
| Panel Thickness: | 1.58 - 3.2 mm / .062 - .126 in |
| Alignment Keyed: | Clocking |
| Polarization Code: | A |
| Mating Retention: | With |
| Mating Alignment Type: | Keyed |
| Flange: | Jam Nut Flange |
| Panel Mount Feature: | With |
| Connector Mounting Type: | Panel Mount |
| Circuit Application: | Power & Signal |
| Durability Rating: | 500 Cycles |
| Position Locations Omitted: | All |
| Assembly Type: | Electrical Connector |
| Connector and Contact Terminates To: | Wire & Cable |
| Connector System: | Cable-to-Panel |
| Connector Style: | Receptacle |
| Sealable: | Yes |
| Shielded: | Yes |
| Fluid Resistance: | Yes |
| Part Alias: | YACT24JJ20BAV00100 |
Compliance
Environmental Initiative Details
| Environmental Initiative: | RoHS |
|---|---|
| Compliant: | Unknown |
| Date of this Information: | Unknown |
| Notes: |