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12FFS-04MFS STRAIGHT

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Description & Features

The 12FFS-04MFS STRAIGHT is a Brennan Industries FS2406 series 2-piece assembly.

This straight fitting features a 1-3/16-12 A1 thread and 3/4" A1 tube OD, along with a 9/16-18 A2 thread and 1/4" A2 tube OD. It also features a 1.375 C hex and 0.980 L length.

SKU: FS2406-12-04

Supplier Part Number (MPN): FS2406-12-04

Alternate Part Numbers: AFF2281T0412S, C1GL87, FF2406-12-04

Specifications

Brand
BRENNAN
2pc Assy
With Brennan 2-Piece Assembly
a2 Drill Dimensions
0.172 in
Connection Size 1
3/4 in
Connection Size 2
1/4 in
Connection Type
Female ORFS Swivel, Male ORFS
Connection Type 1
Female SAE ORFS Swivel
Connection Type 2
Male SAE ORFS
Dimension Standards
SAE J1453, SAE J515
Dimensions
1.51 in L
Finish
Trivalent Zinc-Plated
Fitting Type
Reducer
Hex Size
1-3/8 in
Material
Steel
Material Construction
AISI 12L14/1045 Steel
Maximum Operating Pressure
6000 psi
Operating Temperature
-40 to 250 deg F
Series
FS2406 Series
Thread Size
9/16-18, 1-3/16-12
Tube OD
1/4 in
Tube Outside Diameter
1/4 in

Product Questions & Answers (1)

Question by: Earl B on Oct 14, 2025, 5:02 PM
Will this fitting work with a 3/4" OD tube and a 1/4" OD tube?
Answer by: Customer Support on Oct 15, 2025, 6:48 PM
Yes, this straight fitting is designed to connect a 3/4" OD tube to a 1/4" OD tube. The A1 tube OD is 3/4", and the A2 tube OD is 1/4".

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