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4F-7390 4F7390 53.34 mm inner diameter O-ring seal OF SS-250 3412C

Name: 4F-7390 4F7390 53.34 mm inner diameter O-ring seal OF SS-250 3412C
Brand: Guangzhou Opal Machinery Parts Operation Department
SKU: 4F-7390
Price: 0.10 USD
Availability: InStock

Product Details

Place of Origin: China

Brand Name: OUB

Certification: ISO9001

Model Number: 4F-7390

Payment & Shipping Terms

Minimum Order Quantity: 10

Price: Negotiable

Packaging Details: PP Bag Inside.outer is carton with film wrapped.

Delivery Time: Within 5-15 days after getting your desposit

Payment Terms: L/C,D/A,D/P,T/T,Western Union

Supply Ability: 1000Pcs

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Product Details

Product Description

Product Details

Highlight: 
                                                                                                                                                                                                                                                53.34 mm O-ring seal, SS-250 O-ring seal, 3412C O-ring seal
                              

Part No.::	4F-7390	Part Name::	O RING
Machine:	Quarry Truck	Material:	NBR
Color:	BLACK	Model:	578 589

Part No.::	4F-7390
Part Name::	O RING
Machine:	Quarry Truck
Material:	NBR
Color:	BLACK
Model:	578 589

Product Description

1. Quick Details of seal 4F-7390:

Part NO.	4F-7390
Machine	Quarry truck
Size	53.34 mm
Material	NBR
Oil seal type	O RING

2. 4F-7390 picture:

4F-7390 4F7390 53.34 mm inner diameter O-ring seal OF SS-250 3412C
3. Service part number :

PART NO.	PART NO.	Part NO.
1672235	2263571	8C5176
7M8485	1362942	1790464
2287089	5W4819	277-9940
617540	4420366	152-3968
335879	1011983	326-7289

4. FAQ

Q: What is part number 4F-7390?
A: Part number 4F-7390 is an o-ring sealing part engineered for excavator hydraulic valve groups.

Q: What kind of machine is the 4F-7390 o-ring suitable for?
A: The 4F-7390 o-ring is developed for sealing joints on excavator main control valves.

Q: What unique performance does fluorocarbon rubber offer for this o-ring?
A: It possesses excellent high-temperature tolerance and strong resistance to various hydraulic fluids.

Q: What main task does this o-ring perform in the hydraulic system?
A: It forms a tight seal between connecting components to prevent fluid leakage under high pressure.

Q: Where do fitters usually mount this o-ring on the excavator?
A: It is commonly fitted inside valve spool grooves and pressure port connection seats.

Q: Can this o-ring sustain operation under sustained high heat working conditions?
A: Yes, it maintains stable sealing performance when exposed to continuous high-temperature oil.

Q: What improper operation would easily damage this fluorocarbon o-ring?
A: Over-stretching the ring or contact with powerful oxidizing agents will shorten its service life.

Q: Is there any special requirement for the sealing groove when installing this item?
A: The groove surface should be smooth and free of burrs to stop scratches on the ring surface.

5. Exhibition and Wearhous

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4F-7390 4F7390 53.34 mm inner diameter O-ring seal OF SS-250 3412C

53.34 mm O-ring seal

SS-250 O-ring seal

3412C O-ring seal

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Piston Seal Rings

Piston Rod Seals

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Dust Wiper Seals

O Ring Seals

Floating Oil Seal

Valve Pusher

Gasket Kit

Engine Turbochargers

Friction Disc