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12FSS-12FSS STRAIGHT

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Description & Features

The 12FSS-12FSS STRAIGHT, part of the FS6565 series, is a reliable hydraulic adapter designed for secure connections. This straight fitting features a 1-3/16-12 A thread and a 1-3/16-12 B thread, both with a 0.547 drill size. Its robust construction ensures durability in demanding hydraulic environments.

With a C hex size of 1.375 and an H hex size of 1.250, this fitting allows for easy installation and maintenance. The 2.74-inch length and 3/4 inch tube OD make it suitable for various hydraulic applications requiring a dependable straight connection.

SKU: FS6565-12-12

Supplier Part Number (MPN): FS6565-12-12

Alternate Part Numbers: BR-FS6565-12-12, FS6565-12-12

Specifications

Brand
BRENNAN
a Drill Dimensions
0.547 in
b Drill Dimensions
0.547 in
Connection Size 1
3/4 in
Connection Size 2
3/4 in
Connection Type
Female ORFS Swivel
Connection Type 1
Female SAE ORFS Swivel
Connection Type 2
Female SAE ORFS Swivel
Dimension Standards
SAE J1453
Dimensions
2.74 in L
Finish
Trivalent Zinc-Plated
Fitting Type
Union
Hex Size
1-3/8 x 1-1/4 in
Material
Steel
Material Construction
AISI 12L14/C1045 Steel
Maximum Operating Pressure
6000 psi
Series
FS6565 Series
Thread Size
1-3/16-12
Tube Outside Diameter
3/4 in

Product Questions & Answers (1)

Question by: Ricky O on Mar 26, 2026, 11:44 AM
So this is just a straight adapter, right? No funny business?
Answer by: Customer Support on Mar 28, 2026, 7:34 AM
That's correct. This straight adapter, part number FS6565-12-12, provides a direct, in-line connection between two hydraulic components.

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