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Steel Adapter, 7/8-14 Male JIC 37 deg Flare To 7/8-14 Male JIC 37 deg Flare, Straight Bulkhead

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Description & Features

Part of the Eaton Aeroquip 2041 Series, this Steel Adapter, 7/8-14 Male JIC 37 deg Flare To 7/8-14 Male JIC 37 deg Flare, Straight Bulkhead is designed for same-size JIC connections requiring a panel or bulkhead pass-through in a straight configuration. The 37-degree flare seating on both ends conforms to SAE standards, providing a reliable metal-to-metal seal suited to hydraulic, instrumentation, and chemical processing systems.

Constructed from steel, this union-style adapter measures 2.74 inches in overall length with a body dimension of 1.58 inches. The size-10 (7/8-14) thread on both ends makes it a direct, same-port bulkhead union without requiring a reducer. Catalog number C1AY39 is used for cross-referencing within Eaton Aeroquip literature.

SKU: 2041-10-10S

Supplier Part Number (MPN): 2041-10-10S

Alternate Part Numbers: C1AY39, MI-00315113, MINO-00015F63361

Specifications

b Dimensions
1.58 in
Connection Size 1
5/8 in
Connection Size 2
5/8 in
Connection Type
Male JIC
Connection Type 1
Male SAE 37 deg JIC Flare
Connection Type 2
Male SAE 37 deg JIC Flare
Dimension Standards
SAE 070601/J514
Dimensions
2.74 in L
Finish
Dura-Kote™
Fitting Type
Adapter
Hex Size
1-1/8 in
Material
Steel
Material Construction
Carbon Steel
Operating Temperature
-65
Series
2041 Series
Thread Size
7/8-14

Product Questions & Answers (3)

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Question by: Brent H on Dec 11, 2025, 5:07 PM
got a bulkhead pass-through deal with 7/8-14 JIC on both sides, is this the straight one for that?
Answer by: Customer Support on Dec 13, 2025, 6:28 AM
Built as a straight bulkhead union, it gives you 7/8-14 male JIC 37 degree flare on each side so you can pass a JIC connection through a panel or bracket.
Question by: Frank C on Oct 2, 2025, 8:24 PM
Will this adapter work to connect two 7/8-14 JIC fittings in a hydraulic system?
Answer by: Customer Support on Oct 4, 2025, 7:35 AM
Yes, this Eaton Aeroquip adapter is designed to connect two SAE 37-degree flare bulkhead fittings, both with 7/8-14 male JIC threads. It's a straight bulkhead union, so it'll give you a direct connection.
Question by: Chad B on Nov 15, 2025, 2:48 PM
Got a bulkhead spot in a panel that needs a JIC-to-JIC passthrough, this the right part for that?
Answer by: Customer Support on Nov 17, 2025, 6:47 AM
That's what this fitting is built for. It's a straight bulkhead union, so both ends are 7/8-14 Male JIC 37 degree flare, and it's meant to pass through a panel or wall and connect two JIC lines on either side. The steel construction holds up well in hydraulic, instrumentation, and chemical processing setups, so if your application falls in any of those categories you're in good shape.

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