| CENTER HOLE DIAMETER | 0.873 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| CROSS-SECTIONAL HEIGHT | 0.118 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
| CROSS-SECTIONAL SHAPE STYLE | SINGLE TURN SPIRAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS3678/1 ASSN STD SINGLE MATERIAL RESPONSE |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | RETAINER BACK UP RINGS,HYDRAULIC AND PNEUMATIC,SINGLE TURN,SCARF-CUT |
| MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE |
| PERIPHERAL DIAMETER | 1.112 INCHES NOMINAL |