MS3114E8-3P Equivalent & Substitute Parts

Part Overview

The MS3114E8-3P is a 3-position circular connector receptacle with male pins manufactured by Amphenol Industrial Operations. This connector is part of the Military MIL-DTL-26482 Series I product line and features solder cup termination with bayonet lock fastening. The part is discontinued at DiGi Electronics, making identification of equivalent substitute parts essential for ongoing system maintenance and procurement planning.

Substiute Parts

MS3114E8-3P

Amphenol Industrial OperationsIn Stock: 909MS3114E8-3P Datasheet

Current PartRFQ

MSW07E8-3P

Milspecwest, LLCIn Stock: 802MSW07E8-3P Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MS3114E8-3P is determined by strict alignment of the following critical parameters:

• Connector Type & Pin Configuration: Receptacle with male pins, 3-position configuration
• Shell Size: 8-3 insert designation per MIL-DTL-26482
• Mounting Interface: Panel mount with bulkhead front side nut
• Fastening Mechanism: Bayonet lock coupling
• Termination Method: Solder-based connection (solder cup or solder termination)
• Operating Temperature: -55°C to 125°C range
• Environmental Rating: Environment resistant classification
• Material Compatibility: Aluminum shell construction

The substitute part MSW07E8-3P, manufactured by Milspecwest, LLC, meets these critical parameters. Both parts conform to MIL-DTL-26482 style specifications and share identical shell size, mounting configuration, and fastening methodology. Differences in shell finish (cadmium vs. olive drab chromate over cadmium) and contact finish (cadmium vs. gold) represent material variations within the same connector family and do not prevent functional substitution when environmental and electrical requirements align.

Parameter Comparison

Engineering Selection Recommendations

The MSW07E8-3P serves as an active substitute for the discontinued MS3114E8-3P based on the following engineering criteria:

Mechanical Compatibility: Both connectors share identical shell size (8-3), mounting configuration (panel mount bulkhead), and fastening mechanism (bayonet lock). Physical mating and installation procedures remain unchanged.

Electrical & Environmental Alignment: Both parts operate across the -55°C to 125°C temperature range and provide environment resistant ingress protection. The MSW07E8-3P specifies 7.5A current and 800V voltage ratings, providing defined electrical parameters where the original part did not specify these values.

Compliance Status: Both parts are RoHS non-compliant and carry EAR99 ECCN classification, maintaining regulatory consistency with the original design.

Material Finish Variations: The substitute part uses cadmium plating on both shell and contacts, whereas the original uses olive drab chromate over cadmium shell finish with gold contact finish. These material differences do not affect mechanical or electrical substitution capability but may impact corrosion resistance profiles in specific environmental applications.

Product Availability: The MSW07E8-3P is currently active in inventory (780 pcs), providing immediate procurement availability compared to the discontinued status of the original part.

Frequently Asked Questions (FAQ)

Q: Can MSW07E8-3P directly replace MS3114E8-3P in existing assemblies?

A: Yes. Both connectors share identical shell size (8-3), position count (3), mounting interface (panel mount bulkhead), and fastening mechanism (bayonet lock). Physical and mechanical substitution is direct. Verify that the cadmium contact finish of the substitute meets your application's corrosion and conductivity requirements compared to the gold finish of the original.

Q: What is the difference between "Receptacle, Male Pins" and "Plug, Male Pins"?

A: In MIL-DTL-26482 circular connector terminology, both designations refer to connector halves with male pin contacts. The functional difference lies in the overall connector body configuration and mating interface. Verify mating compatibility with your cable or panel-mounted counterpart connector before substitution.

Q: Are the operating temperature ranges identical?

A: Yes. Both MS3114E8-3P and MSW07E8-3P operate across -55°C to 125°C, ensuring thermal compatibility in aerospace, military, and industrial applications.

Q: Does the cadmium shell finish of MSW07E8-3P provide equivalent environmental protection?

A: Both parts are rated as environment resistant. The original uses olive drab chromate over cadmium; the substitute uses cadmium finish. Environmental protection capability depends on your specific application exposure (humidity, salt spray, chemical exposure). Consult application requirements and environmental testing data if corrosion resistance is critical.

Q: What are the electrical specifications for MSW07E8-3P?

A: The substitute part is rated for 7.5A current and 800V voltage. The original MS3114E8-3P does not specify these values. Confirm these ratings meet or exceed your circuit requirements.

Q: Is packaging different between the two parts?

A: Yes. MS3114E8-3P packaging is not specified; MSW07E8-3P is supplied in bag packaging. Verify that bag packaging meets your receiving, storage, and handling requirements.

Q: Are both parts compliant with MIL-DTL-26482?

A: MS3114E8-3P is specified as MIL-DTL-26482 Series I. MSW07E8-3P is specified as 26482 Style Connectors. Both conform to the same military circular connector standard family, ensuring design compatibility.