Military Standard Environmental Connectors

HiRel Connectors provides a connector series that will withstand and perform in the harshest environmental conditions and applications. We have incorporated our patented Self-Locking mechanism into our environmental connectors ensuring that the plug will not back off under extreme vibration. HIRELCO® provides the solution to our customers environmental interconnect needs.

Special/Custom Configurations: HIRELCO® has a dedicated engineering/manufacturing staff ready to design and manufacture custom environmental connectors to fit your difficult application needs. Custom applications range from high density designs, blind mate designs, custom contact arrangement and special shell configurations.


Mechanical Specs

Application / Market: Aerospace, Commercial, Military
Industry / MIL-SPEC # ESC 10
Shape: Circular
Shell Style: Square Flange Receptacle, Jam Nut Receptacle, Solder Flange Mount, Self Locking Plug
Durability: 500 Mating Cycles
Contact Style / Termination Crimp, PCB, Feed Through, Eyelet, Solder Cup
Salt Spray: Up to 500 hours

Material Specs

Shell: Aluminum, Stainless Steel, Carbon Steel
Shell Plating: Passivated Stainless Steel, Tin, Zinc Nickel, Nickel-Teflon, Electroless Nickel, Electrodeposited Nickel, Cadmium, Anodize
Insulator: Reinforced Epoxy
Contacts: Copper Alloy, Beryllium Copper, K-Series Thermocouples
Contact Plating: Gold, Tin Lead
Grommet and Seals:: Fluorosilicone

Electrical Specs

Current Rating: Up to 23 amps
Number of Signal Contacts (min/max): 3 to 61 per MIl-STD-1554
Gauge Wire Size: 12 to 24 AWG

Environment Specs

Operating Temperature: Up to +260C

Spec Downloads

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"Our Job is to Create Your Vision. We can design
Any Custom Solution for Your application."

- HIREL Connectors Inc. -