Skip to content

D38999/24ZD18PN

D38999/24ZD18PN is a MIL-DTL-38999 Series III high-reliability circular connector receptacle with 18 #20 contacts and a jam-nut threaded coupling designed for harsh-environment electrical connections. It’s ideal for aerospace, military, and rugged industrial systems requiring durable, EMI-shielded electrical interfaces.

FeatureSpecification
Connector SpecificationMIL-DTL-D38999 Series III
Connector StyleJam Nut Receptacle
Shell SizeSize D
Insert LayoutD18
Insert Arrangement15-18
Number of Contacts18 × #20
Contact TypePin
Keying PositionN (Normal)
Temperature Rating-65°C to +175°C
Shell MaterialAluminum
Shell PlatingZinc Nickel
Shell ColourBlack
Category:

D38999/24ZD18PN is a high-performance MIL-DTL-38999 Series III Jam Nut Receptacle engineered for demanding, high-reliability cable assemblies in aerospace, military and other harsh environments. Designed to provide consistent performance under extreme conditions this connector features a Jam Nut Receptacle configuration with a size D shell and D18 insert layout, accommodating  18 × #20 socket contacts in a 15-18 arrangement.

Constructed from  Aluminum with a  Black Zinc Nickel plated shell, the connector offers exceptional corrosion resistance and mechanical durability. Its threaded coupling system ensures secure and vibration-resistant connection, while environmental sealing protects against moisture, dust, and other contaminants.

Rated for a wide temperature range from  -65°C to +175°C, the D38999/24ZD18PN is built to perform reliably in extreme cold and heat. This combination of rugged construction, secure coupling, and environmental protection makes it ideal for aerospace, defense, and other mission-critical cable assemblies.