8-233H55
55D Hytrel Back-Up Ring, 2.881 X 3.117 X 0.118, Dash# 233
Brand: HPSI
HPSI
55D Hytrel Back-Up Rings are molded from 55D durometer Hytrel® and provide excellent extrusion resistance for high-pressure sealing applications. The material is compatible with phosphate esters, hydraulic oils, and water, while the flat cross-section provides reliable support for the O-ring and helps extend seal life. These back-up rings stretch for easy installation and quickly return to their original size. Sized to standard AS568 O-ring dash numbers for reliable compatibility.
| Construction | : | Solid |
| Dash Number | : | -233 |
| Inside Diameter | : | 2.881 in |
| Material | : | 55D Hytrel |
| Outside Diameter | : | 3.117 in |
| Part Number | : | (Prefix)-(O-Ring Dash#)(Material) |
| Temperature Range | : | -65° to 275°F |
| Width | : | 0.118 in |