Hi, I have a corbin series 100 hydraulic door closer that leaks oil from the arm spindle, can I use this o-rings to reseal it?

Hello. If that device uses ORS/ORFS hydraulic fittings, then this would work for it. You may be able to look in the product's manual for information on the o-rings. Feel free to contact Captain O-Ring directly if you're able to find a part number or specs in the manual. We'd be happy to help with it.

Is the width of these O-rings 0.07 inches?

Hello. Yes, that is the standard cross section (width) for ORS/ORFS o-rings. :-)

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🔧 Seal like a pro, fix like a boss!

VERSATILE SIZE RANGE - From 1/4" to 1-1/2", eight flat face sizes ensure you’re always ready for any hydraulic project.
COMPLETE SEAL MASTERY - 180 premium Buna90 O-rings cover all your hydraulic ORS flat face fitting needs with precision sizing.
ORGANIZED READY TO GO - Shatterproof Flambeau case with size chart keeps your O-rings sorted and accessible—no more downtime hunting parts.
TRUSTED INDUSTRY STANDARD - Backed by decades of Captain O-Ring expertise and a 1-year warranty, reliability is guaranteed.
ENGINEERED FOR PERFORMANCE - Buna Nitrile 90 durometer material offers superior resistance to hydraulic fluids and low-temp flexibility.

The Captain O-Ring ORS Flat Face Hydraulic O-Ring Seal Kit features 180 high-quality Buna Nitrile (90 durometer) O-rings in 8 flat face sizes, designed for reliable sealing in hydraulic ORS flat face fittings. Packaged in a durable, organized Flambeau case, this kit is engineered for fluid resistance and low-temperature flexibility, backed by Captain O-Ring’s decades of industry expertise and a 1-year warranty.

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Manufacturer	Captain O-Ring LLC
Part Number	ORSKIT-180pcBN90
Product Dimensions	22.86 x 12.7 x 3.81 cm; 209 g
Item model number	ORSKIT-180pcBN90
Colour	Black O-Rings
Material	VITON 90 (255 Piece Kit)
Item Package Quantity	1
Number of Pieces	180
Measurement System	Inch
Batteries included?	No
Batteries Required?	No
Item Weight	209 g

Captain O-Ring ORS Flat Face Hydraulic O-Ring Seal Kit (Buna 90 / BN90-180 Piece Kit)

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