D38999/26WH21SN is a high-performance MIL-DTL-38999 Series III circular connector 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 straight plug configuration with a size H shell and H21 insert layout, accommodating 21 × #16 socket contacts in a 23-21 arrangement.
Constructed from Aluminum with a Olive Drab Cadmium 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 D38999/26WH21SN 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.
