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Brass M.Bspp X F.Bspp Bushing

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Description & Features

Machined from brass, this straight-configuration bushing provides a reliable threaded reduction between a G 1/2 - 14 male BSPP connection and a G 3/8 - 19 female BSPP connection. The size reduction, from 1/2" on the male side to 3/8" on the female side, makes it well suited for adapting between differently sized BSPP-threaded ports and fittings in hydraulic and fluid power systems.

The Brass M.BSPP X F.BSPP Bushing is an Adaptall product, with an overall length of 15.6 mm and a wrench width of 24 mm. Brass construction offers good corrosion resistance and is compatible with a wide range of hydraulic fluids and industrial media commonly encountered in these thread sizes.

SKU: 8039-08-06

Supplier Part Number (MPN): 8039-08-06

Specifications

Connection Size 1
1/2 in
Connection Size 2
3/8 in
Connection Type
Female BSP, Male BSP
Connection Type 1
Male BSPP
Connection Type 2
Female BSPP
Dimension Standards
BS 5200
Dimensions
15.6 mm L
Finish
Nickel-Plated
Fitting Type
Bushing
Hex Size
24 mm
Material
Brass
Material Construction
Brass
Series
8039 Series
Thread Size
1/2-14 x 3/8-19

Product Questions & Answers (3)

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Question by: Carl J on Nov 20, 2025, 6:09 AM
got a G 1/2 - 14 BSPP port but my hose end is G 3/8 - 19 BSPP. Is this the right bushing to step it down
Answer by: Customer Support on Nov 21, 2025, 7:53 AM
For a straight thread size reduction, it matches that setup: male G 1/2 - 14 BSPP on one side and female G 3/8 - 19 BSPP on the other. It is meant to adapt between those two BSPP thread sizes in hydraulic and fluid power hookups.
Question by: Denise J on Mar 24, 2026, 7:36 AM
What size threads are on this bushing? I'm needing to reduce down from 1/2 inch to 3/8 inch.
Answer by: Customer Support on Mar 25, 2026, 3:54 PM
You've got it right. This bushing has a 1/2" male BSPP thread on one side and a 3/8" female BSPP thread on the other, so it'll do exactly what you need.
Question by: Frank W on Sep 27, 2025, 3:41 PM
Got a 1/2 inch BSPP port on a pump housing and need to tie into a 3/8 inch BSPP line. this bushing do that job?
Answer by: Customer Support on Sep 29, 2025, 10:21 AM
That's what it's built for. The male end threads into your 1/2 inch BSPP port using a G 1/2 - 14 connection, and the female end accepts a G 3/8 - 19 fitting on the smaller line side. Straight configuration, no offset or angle, so it drops right in wherever you need a clean inline reduction between those two thread sizes.

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