MISC INDUSTRIAL

3.250" x 3.500" x 0.188" (82.55 mm x 88.90 mm x 4.76 mm)

H&D SKU: HS568-236

Product Availability : In Stock

$20.80

Qty:

DESCRIPTION

The HS568 was developed as a head seal to replace an o-ring and a backup ring. It's symmetrical one-piece design reduces the risk of installation damage and back-up blow-out.

Two of the most common seal failures on cylinder heads are o-ring back-up blow-out and pinched back-ups. Both failures are common in systems with high eccentricities or large extrusion gaps. Both problems are eliminated with the HS568 profile's one-piece urethane design offering improved fit and a stable geometry.

Molded in 90-durometer polyurethane, this seal can withstand pressures as high as 10,000 PSI

SEAL INFORMATION

Durometer (Shore A): 90

Temperature Range (F): -40 TO 212

Extrusion Gap at

Standard Pressure (in): 0.003
High Pressure (in): 0.003
Max Pressure (in): 0.003

Mating Surface Roughness - Ra (µin) - DYNAMIC: N/A

Mating Surface Roughness - Ra (µin) - STATIC: 63 MAX

Part Number Definition (Inch): HS568-(AS568 3-DIGIT NUMBER)

Additional Part Number Definition (Inch): 4" OD X .187 CS = HS568-342

Products specifications

ID (Inch)	3.250
OD (Inch)	3.500
Height (Inch)	0.188
ID (Metric)	82.55
OD (Metric)	88.90
Height (Metric)	4.76

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MISC INDUSTRIAL