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Fitting Perm 4S

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Description & Features

Fitting Perm 4S is expertly designed by Danfoss Power Solutions (II LLC Aeroquip) meeting SAE J1176 certifications. Made from durable carbon steel the product provides robust performance in various industrial applications.

The product's innovative features include Dura-Kote plating which ensures exceptional corrosion resistance. This extends the lifespan of hose assemblies offering long-lasting reliability.

With a flanged end type and compatibility with -8 hose dash size it is system engineered to deliver maximum uptime. Its precise construction minimizes potential system downtimes.

Supplier Part Number: 4S12FL8

MPN: 4S12FL8

Specifications

Brand
Aeroquip® by Danfoss
a Dimensions
3.17 in
Compatible Hose ID
3/4 in
Connection Size 1
1/2 in
Connection Size 2
3/4 in
Connection Type
Flanged, Hose
Connection Type 1
Hose
Connection Type 2
SAE Code 61 Flange
Construction Style
Crimp
Cut-Off Factor
2.1 in
Dimension Standards
SAE J1176
Dimensions
3.26 in L x 1.34 in W x 1.34 in H
End Size 1
12
Finish
Zinc-Plated
Fitting Type
Hose Fitting
For Use With
H430, H430R, H525H, H471, H810L, H600, H464 and H850 Series Hoses
Hose Dash Size
08
Inside Diameter
0.38 in
Material
Steel
Material Construction
Carbon Steel
nmfc
50
Segment Code
A
Series
4S Series
Thread Sealant
Without Thread Sealant

Product Questions & Answers (3)

Question by: Bonnie D on Jun 22, 2025, 12:01 PM
what's the corrosion protection like on this fitting? running equipment outside and rust has been a real headache with other brands
Answer by: Customer Support on Jun 24, 2025, 8:35 AM
Dura-Kote plating is applied to the carbon steel body specifically to fight corrosion. It holds up better than standard zinc plating in outdoor and wet conditions, which is why Aeroquip uses it across their 4S series line. For equipment that lives outside or gets exposed to moisture regularly, that coating makes a real difference in how long the hose assembly holds up before you start seeing wear around the fitting.
Question by: Floyd O on Dec 11, 2025, 2:05 PM
If I'm replacing a corroded fitting, is this one any better?
Answer by: Customer Support on Dec 12, 2025, 8:20 PM
Dura-Kote plating gives this fitting superior corrosion resistance, which should extend the life of your hose assembly.
Question by: Clint H on Dec 15, 2025, 1:41 PM
got a -8 hose, is this the right fitting size for it
Answer by: Customer Support on Dec 16, 2025, 8:18 PM
For hose fitment, this one is made to match a -8 hose dash size, so it lines up with that hose size.

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