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Aeroquip M/M 1W Reusable Fitting

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Description & Features

Crafted from durable carbon steel, the Aeroquip M/M 1W Reusable Fitting is designed to withstand demanding hydraulic applications. With an ORS swivel end and a female connection size of 0.5625, this fitting is versatile and easy to integrate into existing systems. The 1R Series fitting is engineered to reduce assembly times and enhance production efficiency, making it an ideal choice for industrial environments. Featuring a hose dash size of -4 and a hex size of 0.75, it ensures a secure fit and reliable performance.

This fitting assembly is part of Aeroquip's commitment to delivering dependable solutions for a wide range of applications. Its robust construction and precision engineering make it suitable for various hydraulic systems, providing dependable connections where they are needed most.

SKU: 1RA4FR4

Supplier Part Number (MPN): 1RA4FR4

Specifications

Brand
Aeroquip® by Danfoss
a Dimensions
2.72 in
Compatible Hose ID
1/4 in
Connection Size 1
1/4 in
Connection Size 2
1/4 in
Connection Type
Female ORFS Swivel, Hose
Connection Type 1
Hose
Connection Type 2
Female ORFS Swivel
Construction Style
Reusable
Cut-Off Factor
1.59 in
Dimensions
0.16 in ID x 2.72 in L
End Connection Torque
18 to 20 lb-ft
End Gender 1
Female
End Size 1
9/16 in
Finish
Dura-Kote™
Fitting Type
Hose Fitting
For Use With
H180 Series Hoses
Hex Size
0.75 x 0.69 in
Hose Dash Size
04
Inside Diameter
0.16 in
Material
Steel
Material Construction
Carbon Steel
Series
1R Series
Thread Sealant
Without Thread Sealant
Thread Size
9/16-18
Thread Type
UNF

Product Questions & Answers (1)

Question by: Clint C on Jan 11, 2026, 7:52 AM
Will this fitting hold up okay in a hydraulic system that sees pretty heavy use, day in and day out?
Answer by: Customer Support on Jan 12, 2026, 12:45 PM
Built from carbon steel, this Aeroquip fitting is made to handle demanding hydraulic jobs. Its robust design should give you a dependable connection even with regular, heavy-duty use.

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