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Steel Adapter, 3/8-19 Male BSPP (British Parallel) To 9/16-18 Female JIC 37 deg Flare, Straight

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Description & Features

Crafted for robust industrial connections, this steel adapter ensures reliable performance for 3/8-19 Male BSPP (British Parallel) to 9/16-18 Female JIC 37deg; flare applications. Precision-engineered, this component is ideal for systems requiring seamless and secure fluid transfer.

The high-quality steel construction guarantees durability and resistance to wear, making it suitable for demanding environments. The straight design allows for easy integration into your existing setup, facilitating maintenance and replacement processes.

Manufactured by Adaptall America, this adapter offers reliable threading with 3/8-19 on one end and 9/16-18 on the other. Designed without thread sealant, it ensures a clean and precise fit.

Supplier Part Number: 9021-06-06

Specifications

Brand
adapt-all
Connection Size 1
3/8 in
Connection Size 2
3/8 in
Connection Type
Female JIC Swivel, Male BSP
Connection Type 1
Male BSPP
Connection Type 2
Female JIC Swivel
Dimension Standards
BS 5200, SAE J514
Dimensions
38.5 mm L
Finish
Zinc-Plated
Fitting Type
Adapter
Hex Size
19 x 22 mm
Material
Steel
Material Construction
Carbon Steel
Series
9021 Series
Thread Sealant
Without Thread Sealant
Thread Size
9/16-18 x 3/8-19

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Product Questions & Answers (2)

Question by: Glen W on Feb 26, 2026, 9:23 AM
Got a line running BSPP on one end and JIC on the other. Will this adapter tie those two together without needing any thread sealant or extra fittings in between?
Answer by: Customer Support on Feb 28, 2026, 8:47 AM
Straight connection, no sealant needed. One end is 3/8-19 male BSPP and the other is 9/16-18 female JIC 37 degree flare, so it bridges those two thread standards in a single fitting. The JIC flare seats metal to metal at 37 degrees, which handles the seal on that side, and the BSPP threads mate directly to your parallel British fitting. No additional adapters or tape required for a proper connection.
Question by: Brent L on Dec 22, 2025, 6:35 PM
trying to hook a bspP male port to a jic hose end, is this the right adapter?
Answer by: Customer Support on Dec 24, 2025, 7:13 AM
For that kind of hookup, it matches a 3/8-19 male BSPP thread on one side and a 9/16-18 female JIC 37 degree flare on the other, in a straight adapter body.

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