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BRENNAN SS FITTING

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Description & Features

A straight stainless steel adapter fitting from Brennan Industries, the Brennan SS Fitting connects a 1/4-18 Female NPT port (ANSI B1.20.1) to a 1/4-19 Male BSPT (R) port (ISO 7-1), making it well suited for systems that bridge North American and international thread standards. The straight configuration keeps the connection compact and in-line, useful where space or alignment constraints are a factor.

Stainless steel construction offers reliable resistance to corrosion and oxidation, appropriate for hydraulic and industrial fluid conveyance applications where carbon steel fittings may not be suitable. This fitting is part of Brennan's 7040 Series. California residents should note this product is subject to a Proposition 65 warning.

SKU: 7040-04-04-SS

Supplier Part Number (MPN): 7040-04-04-SS

Specifications

Connection Size 1
1/4 in
Connection Size 2
1/4 in
Connection Type
FNPT, Male BSP
Connection Type 1
Female SAE NPTF
Connection Type 2
Male BSPT 30 deg
Dimension Standards
ANSI B1.20.1, SAE J476
Dimensions
35.3 mm L
Fitting Type
Adapter
Hex Size
19 mm
Material
Stainless Steel
Material Construction
316/316L Stainless Steel
Maximum Operating Pressure
6000 psi
Series
7040 Series
Thread Drill Dimensions
7.1 x 6 mm
Thread Size
1/4-19 x 1/4-18

Product Questions & Answers (1)

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Question by: Cody G on Nov 27, 2025, 5:54 PM
Will this fitting work to connect somethin' with a standard tapered pipe thread to one with a British tapered thread?
Answer by: Customer Support on Nov 28, 2025, 8:15 PM
Yes, this stainless steel adapter is designed to connect a 1/4-18 Female NPT port (which is the North American standard) to a 1/4-19 Male BSPT (R) port, which is the British standard.

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