BRENNAN C61 FLAT FACE / FNPT

Description & Features

The Brennan C61 Flat Face / FNPT adapter offers robust performance for industrial hydraulic systems requiring reliable connections. Its 1 1/4-inch NPTF thread size ensures compatibility with standard fittings, making it a versatile component in various applications. This adapter features a flat face flange designed without an O-ring groove, ideal for systems where a precise and secure seal is crucial.

Constructed with precision, the Brennan C61 boasts dimensions that support its stability and functionality. With a flange size of 1 1/4 inches, it accommodates a range of industrial needs, while its compact design, featuring a Brennan A dimension of 2.88 inches and a Brennan B dimension of 3.25 inches, facilitates integration into existing setups. The adapter's durable build is complemented by its ability to withstand demanding environments, a hallmark of Brennan Industries' reputation for quality.

SKU: 1928-61-20-20

Supplier Part Number (MPN): 1928-61-20-20

Specifications

c Dimensions
1.188 in
Connection Size 1
1-1/4 in
Connection Size 2
1-1/4 in
Connection Type
Flanged, FNPT
Connection Type 1
FNPTF
Connection Type 2
Code 61 Flat Face Flanged
d Dimensions
2.312 in
Dimensions
3.25 in L x 2.88 in W x 1.5 in H
Fitting Type
Port Block
h Dimensions
1-1/4 in
j Max Dimensions
1.755 in
j Maximum Dimensions
1.755 in
j Min Dimensions
1-3/4 in
j Minimum Dimensions
1-3/4 in
k1 Drill Dimensions
0.469 in
k2 Thread
7/16-14
Material
Steel
Material Construction
Steel
Series
1928-61 Series
Thread Size
1-1/4-11-1/2

Product Questions & Answers (1)

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Question by: Cody B on Oct 30, 2025, 7:54 PM
Is this the kind of flange I can use without an O-ring?
Answer by: Customer Support on Nov 1, 2025, 6:28 AM
That's right, this flat face flange is designed without an O-ring groove. It's made for systems where a very precise and secure seal is needed directly from the mating surfaces.

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