AS568-357 O-Ring
Standard Aerospace Size O-Ring | SAE AS568B
Dimensions (Imperial)
| Inner Diameter (ID) | 5.475" ±0.007" |
| Cross Section (CS) | 0.21" ±0.005" |
| Outer Diameter (OD) | ~5.895" |
Dimensions (Metric)
| Inner Diameter (ID) | 139.07 mm |
| Cross Section (CS) | 5.33 mm |
| Outer Diameter (OD) | ~149.73 mm |
Tolerance Class
Standard AS568B Class 2 tolerances apply. For critical applications requiring tighter tolerances, specify Class 1 when ordering.
Frequently Asked Questions
What are the dimensions of AS568-357?
AS568-357 has an Inner Diameter (ID) of 5.475" (139.07mm) and Cross Section (CS) of 0.21" (5.33mm).
What materials are available for AS568-357?
Common materials include Nitrile (NBR), Viton (FKM), EPDM, and Silicone. See our material guide for selection help.