D38999/24MH21BN
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 YACT24MH21BNV00100
The MIL-DTL-38999 III (D38999) DEUTSCH 38999 Series III Composite Connector, with the part number D38999/24MH21BN, is a rugged and versatile circular receptacle designed for harsh environmental conditions. Featuring a jam nut mounting style and 21 contacts, this connector is rated for 7.5 A of current and 1250 V DC, 2300 Vrms, and 900 V AC of voltage. With a wide operating temperature range of -65 to 200 °C (-85 to 392 °F) and a service rating of II, it is suitable for demanding military and aerospace applications. The shell is made of conductive composite material with an electroless nickel finish, offering excellent environmental resistance. RoHS compliance and high reliability make it ideal for use in mission-critical systems.
Details
| Product Category: | |
| Manufacturer: | TE Connectivity | Deutsch |
| Manufacturer Part Number: | TE Connectivity | Deutsch D38999/24MH21BN |
| 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 |
| 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: | Less Socket |
| Mating Type: | Triple Start Threaded |
| Shell Plating: | Electroless Nickel |
| Finish/Coating: | Electrodeposited Nickel, Electroless Nickel |
| Number of Positions: | 21 |
| Supplied Less Contacts: | Yes |
| Keyway Polarization: | N |
| 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 |
| 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: | YACT24MH21BNV00100 |
| Service Class Detail: | Nickel Plated Composite Shell |
| SKU: | DCHD38999/24MH21BN |
| 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 |
| Factory Installed Backshell: | No |
| Keying and Polarized Position Locations: | N |
| Number of Power Positions: | 21 |
| Number of Signal Positions: | 0 |
| Keying: | Keyway Polarization N |
| Preloaded: | No |
| Contact Layout Arrangement: | H21 |
| Reverse Gender: | No |
| Contact Quantity (Size 16): | 21 |
| Contact Quantity (Size 20): | 21 |
| 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 |
| Flange: | Jam Nut Flange |
| Polarization Code: | N |
| Mating Retention: | With |
| Mating Alignment Type: | Keyed |
| Circuit Application: | Power |
| Durability Rating: | 500 Cycles |
| Position Locations Omitted: | All |
| Connector and Contact Terminates To: | Wire & Cable |
| Connector Style: | Receptacle |
| Connector System: | Cable-to-Panel |
| Shielded: | Yes |
| Assembly Type: | Electrical Connector |
| Sealable: | Yes |
| Fluid Resistance: | Yes |
| Part Alias: | YACT24MH21BNV00100 |
Compliance
Environmental Initiative Details
| Environmental Initiative: | RoHS |
|---|---|
| Compliant: | Unknown |
| Date of this Information: | Unknown |
| Notes: |