Connectors: D38999 Series

Aero-Electric/Conesys MIL-DTL-38999 Series III

Cylindrical Connector designed for General Purpose and Severe Environment Applications

MIL-DTL-38999 Series III connectors feature an improved “one-turn” coupling system, utilizing self-locking acme thread. Acme threads provide coupling durability, while thicker wall sections and greater coupling surface area improve strength and shock resistance. Blunting of the threads on both receptacle and plug coupling nut eliminates cross threading. Elongated mounting holes permit the Series III Connector to intermount with various existing Mil-spec flange mounted receptacles, giving it a design replacement advantage. Wall mount receptacle, jam nut receptacle and straight self-locking RFI plug are offered in 9 shell sizes and 54 insert arrangements utilizing M39029 contacts in sizes 22D, 20, 16, 12, 10 power and 8 twinax. These connectors are available in wide range of shell materials and finishes. Aluminum shells are offered in electroless nickel and olive drab cadmium. Other finishes such as anodic and zinc cobalt are available upon request to commercial callouts only. In addition, we offer stainless steel shells (both passivated and electro-deposited nickel plated) with firewall inserts, and for highly corrosive environments, nickel-aluminum-bronze shells with standard environment-resisting inserts (commercial callouts only).

Features and Benefits

MIL-STD-1560 Insert Arrangements

Metal-to-Metal Bottoming

Lockwiring Eliminated

Firewall Capability

Universal I/R Tool

Scoop-Proof Design

Closed-Entry Socket Insert

Elastomer Wire Sealing Grommet

Superior Contact Stability


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