The D38999 Series II connector is a circular, high-density low profile bayonet style with shell sizes ranging from 8 to 24 with over 40 QPL approved insert arrangements available. It is a high-reliability connector, with EMI shielding and excellent shock and vibration and fluid resistance. It was designed for civil and military aerospace applications but also used for marine equipment, medical instrumentation, communications equipment, weapons systems, armored carriers and tanks, and test equipment.
The shell material is an aluminum alloy, with plating options ranging from black zinc nickel (Z), olive green cadmium (B), Nickel (F), and hard anodized (C), all conductive finishes that provide electrical continuity between the mated shells prior to contact engagement.
A variety of shell types are available, including square flange receptacle (both front and rear mount with or without accessory threads), in line receptacle (with accessory threads), plug with or without RFI shielding, and jam nut receptacle (with accessory threads).
D38999 Series II includes rear release, removable pin or socket contacts with crimp termination (AS39029). Thermocouple contacts are also available, as well as PC tail contacts as a commercial option. It is a high-density connector, with insert arrangement’s accommodating up to 128 pins and sizes ranging for large size 12 to the smallest size 22D The series is designed to assure proper orientation of the mating halves prior to electrical engagement, and it includes EMI shielding capability. Hermetically sealed options are also available.
As a value-added, stocking distributor for Corsair, Air Electro is a premier source for MIL-DTL-38999 Series II connectors, with a 48-hour value-added turnaround time as well as ample stock on the full breadth of shell types, sizes, plating options and insert arrangements.