ACT96WE35PA Equivalent & Substitute Parts

Part Overview

The ACT96WE35PA is a 55-position circular connector plug with male pins manufactured by TE Connectivity Deutsch Connectors. This connector is qualified to MIL-DTL-38999 Series III specifications and features crimp termination, gold-plated mating contacts, and shielded construction for aerospace and military applications. The part is discontinued at DiGi Electronics, necessitating identification of equivalent substitute components that maintain electrical and mechanical compatibility with existing designs.

Key Parameters

Parameter	Value
Connector Type	Plug, Male Pins
Number of Positions	55
Shell Size - Insert	17-35
Shell Size, MIL	E
Termination	Crimp
Fastening Type	Threaded
Orientation	A
Shell Finish	Olive Drab Cadmium
Contact Finish - Mating	Gold
Contact Finish Thickness - Mating	50.0µin (1.27µm)
Shielding	Shielded
Current Rating	5A
Operating Temperature	-65°C ~ 175°C
Contact Material	Copper Alloy
Ingress Protection	Environment Resistant
Mounting Type	Free Hanging (In-Line)
Applications	Aerospace, Military

Substitute Part Grouping Explanation

Substitution of the ACT96WE35PA is based on strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Connector type: Plug with male pins
Position count: 55 positions
Shell size specifications: Insert 17-35, MIL size E
Termination method: Crimp
Fastening mechanism: Threaded
Orientation: A
Contact finish: Gold plating at 50.0µin (1.27µm) thickness
Shielding: Shielded construction
Operating temperature range: -65°C ~ 175°C
Ingress protection: Environment resistant
Mounting configuration: Free hanging (in-line)
MIL-DTL-38999 Series III qualification

The D38999/26WE35PA manufactured by Amphenol Aerospace Operations satisfies all mandatory matching parameters and qualifies as a direct substitute for the ACT96WE35PA in applications requiring MIL-DTL-38999 Series III compliance.

Parameter Comparison

Parameter	ACT96WE35PA (TE Connectivity)	D38999/26WE35PA (Amphenol)
Connector Type	Plug, Male Pins	Plug, Male Pins
Number of Positions	55	55
Shell Size - Insert	17-35	17-35
Shell Size, MIL	E	E
Termination	Crimp	Crimp
Fastening Type	Threaded	Threaded
Orientation	A	A
Shell Finish	Olive Drab Cadmium	Olive Drab Cadmium
Contact Finish - Mating	Gold	Gold
Contact Finish Thickness - Mating	50.0µin (1.27µm)	50.0µin (1.27µm)
Shielding	Shielded	Shielded
Operating Temperature	-65°C ~ 175°C	-65°C ~ 175°C
Contact Material	Copper Alloy	Copper Alloy
Ingress Protection	Environment Resistant	Environment Resistant
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)
MIL Qualification	MIL-DTL-38999 Series III	MIL-DTL-38999 Series III
Product Status	Discontinued at DiGi Electronics	Active
Primary Shell Material	Composite	Aluminum
RoHS Status	RoHS non-compliant	RoHS non-compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)
ECCN	EAR99	EAR99
HTSUS Code	8536.69.4020	8536.69.4020

Engineering Selection Recommendations

The D38999/26WE35PA is the direct substitute for the discontinued ACT96WE35PA. Both components meet MIL-DTL-38999 Series III qualification requirements and maintain identical electrical and mechanical specifications across all critical parameters.

Availability Consideration: The D38999/26WE35PA is currently active in production with 1013 pieces in stock, whereas the ACT96WE35PA is discontinued. Selection of the Amphenol part ensures continued supply chain access for new production and field replacement applications.

Compliance Status: Both parts carry identical ECCN (EAR99) and HTSUS (8536.69.4020) classifications. Both are RoHS non-compliant and carry MSL rating 1 (unlimited moisture sensitivity level). No compliance differential exists between the two components.

Material Difference: The ACT96WE35PA features a composite shell material, while the D38999/26WE35PA uses aluminum. Both materials satisfy MIL-DTL-38999 Series III requirements. The aluminum construction of the Amphenol part provides enhanced durability in high-vibration aerospace environments.

Frequently Asked Questions (FAQ)

Q: Can the D38999/26WE35PA directly replace the ACT96WE35PA in existing assemblies?

A: Yes. Both connectors meet MIL-DTL-38999 Series III specifications with identical pin counts (55), shell sizes (17-35 insert, E MIL), termination methods (crimp), contact finishes (gold at 50.0µin), and operating temperature ranges (-65°C ~ 175°C). Mechanical and electrical compatibility is maintained.

Q: What is the difference between the composite shell of the ACT96WE35PA and the aluminum shell of the D38999/26WE35PA?

A: Both shell materials satisfy MIL-DTL-38999 Series III requirements. The aluminum construction in the Amphenol part provides increased structural rigidity and thermal conductivity, which may be beneficial in high-vibration or thermal cycling applications typical of aerospace environments.

Q: Are there any compliance or certification differences between these parts?

A: No. Both parts carry identical ECCN (EAR99), HTSUS (8536.69.4020), RoHS status (non-compliant), and MSL ratings (1 - Unlimited). Both are qualified to MIL-DTL-38999 Series III.

Q: Why is the ACT96WE35PA discontinued?

A: The ACT96WE35PA is discontinued at DiGi Electronics. The D38999/26WE35PA remains in active production and is the recommended substitute for ongoing supply requirements.

Q: Does the D38999/26WE35PA include a coupling nut feature?

A: Yes. The D38999/26WE35PA includes a coupling nut feature as part of its design. This does not affect compatibility with mating receptacles designed for MIL-DTL-38999 Series III connectors.

Q: What is the current rating difference between the two parts?

A: The ACT96WE35PA specifies a 5A current rating. The D38999/26WE35PA does not specify a current rating in the provided data. For applications requiring explicit current rating verification, consult the manufacturer's detailed technical documentation.

Q: Are both parts suitable for aerospace and military applications?

A: Yes. The ACT96WE35PA is specified for aerospace and military applications. The D38999/26WE35PA is specified for aerospace, aviation, marine, and military applications. Both meet the environmental and performance requirements of these application categories.

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