Curved Backup Ring - NBR
SKU:
574-436
574-436 90A Buna-N Rubber Backup Ring | 5 7/8 in ID 1/4 in CS
Parback® backup ring with a curved cross-section.
Parbaks are contoured on one face to minimize distortion of the o-ring when under pressure. Parbaks should be installed with the contoured face against the o-ring, but reversal does no harm.
$5.70 / EA
90A Durometer | Buna-N Rubber Material | 5 7/8 in Nominal Inner Diameter | 1/4 in Cross Section | Backup Ring
Features
- Excellent extrusion resistance
- Easily stretched for installation
- Lubrication is enhanced by rubber which absorbs system fluid and does not plate out on rubbing surfaces
Export To PDF
Item Specifications
-
1/4 Inch
-
90A
-
Parker
-
NBR
-
Buna-N Rubber
-
240 °F
-
-40 °F
-
0.117 Inch
-
5 7/8 Inch
-
6 3/8 Inch
-
Varies According to Diametral Clearance
-
15 Years
-
574
-
-40° to +240°F
-
0.096 Inch
-
±0.005
-
inch
-
0.02 lbs per EA
