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Male Sae O-Ring Boss-Male Bspp

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Description & Features

This straight steel adapter fitting features a 1/4" male SAE O-Ring Boss end and a 3/8" male BSPP end. The SAE end has a 7/16 - 20 UNF thread callout, while the BSPP end has a G 3/8 - 19 thread callout.

The Male SAE O-Ring Boss-Male BSPP adapter is manufactured by Adaptall, with a channel width of 22mm and a length of 30.1mm.

SKU: 9006-04-06

Supplier Part Number (MPN): 9006-04-06

Specifications

Connection Size 1
1/4 in
Connection Size 2
3/8 in
Connection Type
Male BSP, Male SAE ORB
Connection Type 1
Male SAE ORB
Connection Type 2
Male BSPP
Dimension Standards
BS 5200, SAE J1926
Dimensions
30 mm L
Finish
Zinc-Plated
Fitting Type
Adapter
Hex Size
22 mm
Material
Steel
Material Construction
Carbon Steel
Series
9006 Series
Thread Size
3/8-19 x 7/16-20

Product Questions & Answers (2)

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Question by: Chad J on Jan 28, 2026, 12:57 PM
trying to hook a 1/4 ORB port to a 3/8 BSPP line, is this the right adapter?
Answer by: Customer Support on Jan 29, 2026, 9:56 PM
For that thread combo, it matches up as a straight steel adapter with a 1/4 inch male SAE O-Ring Boss end (7/16-20 UNF) on one side and a 3/8 inch male BSPP end (G 3/8-19) on the other.
Question by: Rick M on Nov 22, 2025, 7:01 PM
Got a machine running BSPP ports and the rest of my system is SAE ORB, this fitting gonna bridge that gap without needing extra pieces?
Answer by: Customer Support on Nov 23, 2025, 7:26 PM
That's what this one's built for. One end is a 1/4" male SAE O-Ring Boss with a 7/16-20 UNF thread, and the other is a 3/8" male BSPP with a G 3/8-19 thread. Steel construction, straight configuration, so you're connecting those two standards directly with no additional adapters in between.

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