This Aeroquip M/M+ F SAE STR SWIV fitting assembly is designed for general purpose low and medium pressure hydraulics. It is suitable for use with H277 or H435 hose where shock hazards exist.
Manufactured by Eaton Aeroquip, this fitting features Dura-Kote plating for superior corrosion resistance. Its innovative design delivers reliable performance and maximum uptime, while its system-engineered construction extends hose assembly life. The female end has a 0.4375" size and a SAE 45° connection, while the opposite end accommodates a -4 hose dash size.
SKU: 1AA4FS4
Supplier Part Number (MPN): 1AA4FS4
Alternate Part Numbers: C1FA31
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Specifications
Alternate Part Numbers
Alternate Part NumberC1FA31, Alternate Part Number MINO-00015F51640
Application
General purpose low and medium pressure hydraulics. Use H277 or H435 where shock hazards exist
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Gender 1
13553
End Size 1
0.44
End Type 1
SAE 45
End Type 2
Line/Hose/Tube
Features
Dura-Kote plating for superior corrosion resistance|Innovative design to deliver performance and maximum uptime|System engineered to extend hose assembly life
trying to swap out a fitting on a -4 hose, is this 1AA4FS4 the right size for that?
Answer by: Customer Support on Mar 25, 2026, 6:34 AM
For sizing, the key match is the hose dash size. This fitting is listed as a -4, so it lines up with a -4 hose assembly.
Question by: Earl G on Aug 2, 2025, 6:52 PM
trying to swap out a fitting on a -4 hose, is this the kind with the female SAE 45 degree swivel on it?
Answer by: Customer Support on Aug 4, 2025, 2:30 PM
The key callouts are right in the part details. It is a 1A Series crimp hose fitting with a female SAE 45 swivel end, and it is sized for a -4 hose dash.
