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FD90 Series SAE J1502 Interchange Diagnostic Quick Disconnect Dust Cap, -04 Coupling

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Description & Features

This FD90 Series SAE J1502 Interchange Diagnostic Quick Disconnect Dust Cap -04 Coupling from Danfoss Power Solutions (II LLC Aeroquip) delivers reliable performance for special applications. Designed to accommodate a variety of system configurations this dust cap features an automatic sleeve for one-handed push-to-connect operation.

Constructed from zinc-plated steel and incorporating a flush face valving system it ensures minimal fluid loss and low air inclusion. The self-sealing valve design allows for connection and disconnection at pressures up to 500 psi. Standard seal material is Buna-N providing durability and long-lasting use in demanding environments.

The FD90 Series Dust Cap is engineered to meet the rigorous standards of industrial operations with a coupling size of -04 and a female end with a 0.25 end size. This ensures compatibility and ease of integration with existing systems.

MPN: C1CU40

Supplier Part Number: FD90-1040-04

Specifications

Coupling Size
-04
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Gender 1
13553
End Size 1
0.25
Supplier Part Number
FD90-1040-04
Thread Sealant
No
Alternate Part Numbers
Alternate Part Number C1CU40
Product Weight
0.01 lbs

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Product Questions & Answers (2)

Question by: Shane P on Nov 4, 2025, 7:45 PM
Hey, will this here dust cap work with a standard quick disconnect setup?
Answer by: Customer Support on Nov 6, 2025, 10:07 AM
Designed to meet SAE J1502 interchange standards, this FD90 series dust cap will work with compatible diagnostic quick disconnects. It's made to fit a -04 coupling size.
Question by: Melvin B on Jul 4, 2025, 7:12 AM
Got a -04 diagnostic port on a test manifold and need to cap it off between uses. This the right part for that, or am I barking up the wrong tree?
Answer by: Customer Support on Jul 5, 2025, 1:47 PM
That's what this cap is for. The FD90-1040-04 is a -04 coupling size dust cap built for diagnostic quick disconnect ports following the SAE J1502 interchange standard. It pushes on one-handed thanks to the automatic sleeve, and the flush face valving keeps fluid loss to a minimum when you pull it off for testing. Buna-N seals and zinc-plated steel body means it holds up in regular shop or field conditions without much fuss.