U packing is a general term describing a packing with a U-shaped groove. NOK OSI is hydraulic seal for reciprocal movement, special packings for piston seals.

Code: FU0563-L0
Material: U801 Polyurethane

NOK OSI (U801):
- Main applicable fluid: General petroleum hydraulic fluid oil.
- Standard material U801 has excellent wear resistance and sealing ability.
- Packing with a smaller section of ODI, can be fitted in integrated groove.
- Max pressure when install without backup ring: 30mpa.
- Max pressure when install with backup ring: 42mpa.
- Suitable operating temperature: -30°C to +100°C

Fix it right the first time, every time!

Engineered to surpass or meet OEM specifications.
Tested for durability, reliability, and performance.
Products are packaged professionally to prevent any type of damage during transit.
Want to confirm your part number or need any assistance? We'll be happy to help!