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20MFS-20MFS 90 BULKHD ELBOW W/LOCKNUT

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Description & Features

The 20MFS-20MFS 90 Bulkhead Elbow with Locknut by Brennan Industries Inc is a forged adapter designed to meet rigorous industry standards. Its precise specifications include a 1-1/4" tube O.D. drill dimensions of 1.024 inches and threads of 1-11/16-12 on both ends ensuring reliable connectivity in technical applications.

The product features a locknut assembly (FS0306-20) for secure fastening with overall lengths of 1.79 inches and 2.97 inches respectively. The adapter also comes with 1.625 Jj flats providing substantial stability.

Its unique design includes a 90-degree elbow formation optimized for efficient directional changes in fluid dynamics systems. This component is part of the FS2701-LN-FG series delivering exceptional performance and durability in demanding environments.

MPN: FS2701-LN-20-20-FG

Supplier Part Number: FS2701-LN-20-20-FG

Specifications

Brand
BRENNAN
a1 Drill Dimensions
1.024 in
a2 Drill Dimensions
1.024 in
Connection Size 1
1-1/4 in
Connection Size 2
1-1/4 in
Connection Type
Male ORFS
Connection Type 1
Male SAE ORFS
Connection Type 2
Male SAE ORFS
Dimension Standards
SAE J1453
Finish
Trivalent Zinc-Plated
Fitting Type
90 deg Elbow
Hex Size
1-5/8
jj Flats Dimensions
1-5/8 in
Locknut Assembled
FS0306-20
Material
Steel
Material Construction
AISI 1045 Steel
Maximum Operating Pressure
5000 psi
Operating Temperature
-40 to 250 deg F
Series
FS2701-LN-FG Series
Thread Size
1-11/16-12
Tube Outside Diameter
1-1/4 in

Product Questions & Answers (1)

Question by: Merle B on Feb 21, 2026, 2:08 PM
got a bulkhead pass-through and need a 90 to turn right after the panel, is this the kind with the locknut to clamp it down?
Answer by: Customer Support on Feb 22, 2026, 2:44 PM
Built as a bulkhead 90 degree elbow, it passes through a panel or bulkhead and uses the included locknut (FS0306-20) to secure the fitting in place.

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