D38999/24MH21BC

Heilind Number:DCHD38999/24MH21BC
Manufacturer:TE Connectivity | Deutsch
Manufacturer Number:D38999/24MH21BC
ECAD Model:
3D 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.

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Specifications

AttributeValue
Product Category:
Manufacturer:TE Connectivity | Deutsch
Manufacturer Part Number:TE Connectivity | Deutsch D38999/24MH21BC
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: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
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:YACT24MH21BCV00100
Service Class Detail:Nickel Plated Composite Shell
SKU:DCHD38999/24MH21BC

Detailed Description

The D38999/24MH21BC is a MIL-DTL-38999 III (D38999) jam nut receptacle, part of the DEUTSCH 38999 Series III Composite Connectors. With a rating of 7.5 A and 1250 V DC, this circular receptacle features 21 contacts in a size 16(21) configuration. Designed for harsh environments, it has a wide operating temperature range of -65 to 200 °C and is constructed from a conductive composite shell with electroless nickel plating. The triple-start threaded mating type ensures secure connections, while the supplied less contacts option allows for customization. With its II service rating and environmental resistance, this connector is ideal for demanding applications in military, aerospace, and other high-reliability industries.