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Aeroquip M/M 1W Reusable Fitting

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Description & Features

Designed for versatility and reliability, the Aeroquip M/M 1W Reusable Fitting is a premium choice for hydraulic systems. This female SAE 37 fitting ensures secure connections to various hoses, tubes, or lines, facilitating efficient fluid transfer. Constructed from durable carbon steel, it stands up to demanding industrial environments, offering long-term performance.

Key features of this fitting include its wide application range and ability to significantly reduce assembly times. With a hose dash size of -12 and a hex size of 1.31, this fitting is engineered for precision and ease of use. Its compact design, with a drop dimension of 0.7800, enhances installation flexibility without compromising strength.

SKU: 1RA12FJA12

Supplier Part Number (MPN): 1RA12FJA12

Specifications

a Dimensions
4.11 in
Compatible Hose ID
3/4 in
Connection Size 1
3/4 in
Connection Size 2
3/4 in
Connection Type
Female JIC Swivel, Hose
Connection Type 1
Hose
Connection Type 2
Female SAE 37 deg JIC Swivel
Construction Style
Reusable
Cut-Off Factor
2.47 in
Drop Dimensions
1 in
End Connection Torque
79 to 87 lb-ft
End Gender 1
Female
End Size 1
12
Finish
Dura-Kote™
Fitting Type
45 deg Elbow
For Use With
H180 Series Hoses
Hex Size
1.25 x 1.31 in
Hose Dash Size
12
Inside Diameter
0.58 in
Material
Steel
Material Construction
Carbon Steel
Segment Code
C
Series
1R Series
Thread Sealant
Without Thread Sealant
Thread Size
1-1/16-12
Thread Type
UN

Product Questions & Answers (2)

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Question by: Gary H on May 9, 2025, 3:12 PM
trying to match up a reusable fitting i’ve got, is this one a -12 hose dash with a female SAE 37 end?
Answer by: Customer Support on May 10, 2025, 4:16 PM
The key callouts on this part are a -12 hose dash size and an End Type 1 listed as female SAE 37. It’s a reusable fitting assembly intended to connect to a line, hose, or tube on the other end.
Question by: Rusty E on Mar 15, 2026, 10:11 AM
Got a -12 hose I'm trying to hook up, and the other end needs a female JIC 45 connection. This the right fitting for that?
Answer by: Customer Support on Mar 17, 2026, 6:08 AM
For a -12 hose with a female SAE 37 (JIC 45) termination on one end and a line, hose, or tube connection on the other, yeah, that's exactly what this fitting covers. The 1RA12FJA12 is built around that hose dash size and uses the SAE 37 seat angle, so it'll mate up correctly to a standard JIC 45 male fitting. Carbon steel construction means it'll hold up in most industrial hydraulic setups without any issue.

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