What is a 38999 connector?

MIL-DTL-38999 are miniature, high-density circular QPL and type connectors designed to meet the stringent Mil-Spec requirements set forth by the U.S. Department of Defense. The D38999 connector series come in a variety of coupling options, including bayonet and threaded, as well as in metal or composite construction.

What is MIL-DTL-38999?

MIL-DTL-38999 connectors are a high-performance cylindrical connector family designed for cable-to-panel I/O applications in military aerospace and other demanding situations. There are four unique connector series in the family: The Series 1 Bayonet. Series II Low-Profile Bayonet.

What is a connector shell size?

The main connector housing is called the “shell”. The shell of a circular connector is a cylinder available in incremental sizes starting as small as . 375 diameter up to 3.25 diameter and larger. Connectors which utilize threads to attach backshells, are usually equal to or within . 062 of the connector shell size.

How do I know what size my connector shell is?

Shell size is determined by dividing the shell’s diameter by . 0625 (the increment between sizes). For example, a size 8 shell has a diameter of . 50 and 8 X .

What is scoop proof?

Scoop-proof: Scoop-proof connectors feature a nice, long shell on the receptacle which prevents damage to the exposed contact pins during mating. Solder Cup: A connector design that typically uses potting material to permanently affix the contacts inside the connector shell.

What is insert arrangement in connectors?

In order for the connector to mate up with another component the contacts must be held in place in a specific orientation so that they are not damaged when the components are connected together. The specific orientation of the contacts is known as the insert arrangement.

What is a scoop proof connector?

What are Amphenol connectors?

The term Amphenol connector refers to various electronics connectors that are introduced, or made primarily by Amphenol Corp. MIL-DTL-26482 / MIL-C-26482, a circular bayonet connector. RJ21, used in aggregated telecommunications cabling. Micro ribbon, used in personal computer’s connection to printer or SCSI equipments.

What is the temperature of a 38999 connector?

• Based on 38999 Series I coupling interface lengths and Series II diameters • Meets LN29729 standard • Meets J 62.017 and DIN 65002 standards • -55°C to +175°C operating temperature Typical Applications • Military aerospace MIL-DTL-38999 CONNECTORS 38999-DERIVED CONNECTORS

Why are Series III 38999 connectors so popular?

Because of the widespread popularity of 38999 Series III connectors, we have also used this form factor for designs to meet a variety of configurations beyond those of MIL-DTL-38999. This gives you a familiar, reliable connector and access to the full range of backshells and other accessories.

What are the different series of MIL-DTL 38999 connectors?

MIL-DTL-38999 Connectors Series I Series III Series IV Coupling Mechanism Bayonet 1/3 turn Threaded 360° turn Breech lock 1/4 turn Shell MaterialsAluminum Stainless steel Aluminum Composite Aluminum Features Scoop proof Environmentally sealed Hermetic versions Filter versions Spring fingers for EMI control

What are the different series of d38999 connectors?

D38999 Part Number Breakdown. D38999 assembly instruction. List of MIL_DTL-D38999 part numbers. Previously known as MIL-C-38999, MIL-DTL-38999 connectors come in four series: Series I, Series II, Series III and Series IV.