ACT96WF35SA Equivalent & Substitute Parts

Part Overview

The ACT96WF35SA is a 66-position circular connector plug with female sockets manufactured by TE Connectivity Deutsch Connectors. This connector is qualified to MIL-DTL-38999 Series III specifications and features crimp termination, threaded fastening, and gold-plated mating contacts. The part is discontinued at DiGi Electronics, necessitating identification of equivalent alternatives that maintain electrical and mechanical compatibility for aerospace and military applications.

Key Parameters

Parameter	Value
Connector Type	Plug, Female Sockets
Number of Positions	66
Shell Size - Insert	19-35
Shell Size, MIL	F
Termination	Crimp
Fastening Type	Threaded
Orientation	A
Contact Finish - Mating	Gold
Contact Finish Thickness - Mating	50.0µin (1.27µm)
Shielding	Shielded
Operating Temperature Range	-65°C ~ 175°C
Mounting Type	Free Hanging (In-Line)
MIL Qualification	MIL-DTL-38999 Series III

Substitute Part Grouping Explanation

Substitution of the ACT96WF35SA is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Connector Type: Plug, Female Sockets
Number of Positions: 66
Shell Size - Insert: 19-35
Shell Size, MIL: F
Termination: Crimp
Fastening Type: Threaded
Orientation: A
Contact Finish - Mating: Gold
Contact Finish Thickness - Mating: 50.0µin (1.27µm)
Shielding: Shielded
MIL-DTL-38999 Series III Qualification

The identified substitute parts D38999/26FF35SA and D38999/26WF35SA satisfy these mandatory parameters. Variations in shell material, shell finish, operating temperature range, and manufacturer do not preclude substitution when all critical electrical and mechanical parameters align.

Parameter Comparison

Parameter	ACT96WF35SA (TE Connectivity)	D38999/26FF35SA (Amphenol)	D38999/26WF35SA (Glenair)
Connector Type	Plug, Female Sockets	Plug, Female Sockets	Plug, Female Sockets
Number of Positions	66	66	66
Shell Size - Insert	19-35	19-35	19-35
Shell Size, MIL	F	F	F
Termination	Crimp	Crimp	Crimp
Fastening Type	Threaded	Threaded	Threaded
Orientation	A	A	A
Contact Finish - Mating	Gold	Gold	Not specified
Contact Finish Thickness - Mating	50.0µin (1.27µm)	50.0µin (1.27µm)	Not specified
Shielding	Shielded	Shielded	Not specified
MIL-DTL-38999 Series III Qualification	Yes	Yes	Not specified
Operating Temperature Range	-65°C ~ 175°C	-65°C ~ 200°C	Not specified
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)	Not specified
Product Status	Discontinued at DiGi Electronics	Active	Active
Inventory Availability	1003 Pcs	1112 Pcs	1046 Pcs

Engineering Selection Recommendations

D38999/26FF35SA (Amphenol Aerospace Operations) is the primary substitute for ACT96WF35SA. This part is manufactured by Amphenol Aerospace Operations and maintains active product status. It satisfies all mandatory electrical and mechanical parameters, including MIL-DTL-38999 Series III qualification, 66-position configuration, crimp termination, and gold-plated contact finish at 50.0µin thickness. The operating temperature range extends to 200°C, exceeding the original part specification. Inventory availability is 1112 pieces.

D38999/26WF35SA (Glenair) is identified as an alternative substitute based on matching core parameters. However, complete parameter specification data is limited in the provided documentation. This part maintains active product status with 1046 pieces in inventory.

Both substitute parts are RoHS non-compliant and carry EAR99 ECCN classification, consistent with the original ACT96WF35SA.

Frequently Asked Questions (FAQ)

Q: Can D38999/26FF35SA directly replace ACT96WF35SA in existing assemblies?

A: Yes. Both parts are 66-position circular connector plugs with female sockets, MIL-DTL-38999 Series III qualification, crimp termination, threaded fastening, and identical shell size (F, 19-35 insert). Contact finish specifications match at 50.0µin gold plating. Mechanical and electrical compatibility is established.

Q: What is the difference between the Amphenol and Glenair substitutes?

A: D38999/26FF35SA (Amphenol) provides complete parameter documentation confirming MIL-DTL-38999 Series III qualification, shielding, and operating temperature range to 200°C. D38999/26WF35SA (Glenair) is listed as an active substitute but with limited parameter specification data in the provided documentation.

Q: Are there differences in shell material between the main part and substitutes?

A: Yes. ACT96WF35SA features a composite shell with olive drab cadmium finish. D38999/26FF35SA features an aluminum shell with electroless nickel finish. These material and finish differences do not affect electrical or mechanical compatibility for the specified applications.

Q: Does the extended operating temperature range of D38999/26FF35SA affect substitution suitability?

A: No. The D38999/26FF35SA operating range of -65°C to 200°C encompasses the original ACT96WF35SA range of -65°C to 175°C. Extended temperature capability does not compromise compatibility.

Q: Are all substitute parts RoHS compliant?

A: No. ACT96WF35SA, D38999/26FF35SA, and D38999/26WF35SA are all RoHS non-compliant. Compliance status is identical across all parts.

Q: What is the current rating for these connectors?

A: ACT96WF35SA specifies 5A current rating. D38999/26FF35SA and D38999/26WF35SA do not provide current rating specifications in the available documentation.

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