| CENTER HOLE SHAPE STYLE | ROUND |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| HARDNESS RATING | 24.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 1.500 INCHES MINIMUM AND 1.511 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | NICKEL ALLOY 718 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, PLAIN AND COUNTERSUNK (NOMINAL, .0156 AND .0312 OVERSIZE) ALLOY STEEL AND CRES |
| PERIPHERAL SHAPE STYLE | ROUND |
| PROPRIETARY CHARACTERISTICS | PACS |
| OVERALL DIAMETER | 1.675 INCHES MINIMUM AND 1.695 INCHES MAXIMUM |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | ITEM IS FAA CERTIFIED |
| SPECIAL FEATURES | HEAT TREAT TO 140 KSI MIN PER AMS2759/3; SERVICE TEMPERATURE MAXIMUM IS 600 DEG F CONTINUOUS AND 900 DEG F INTERMITTENT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | NICKEL ALLOY OVERALL |
| THICKNESS | 0.117 INCHES MINIMUM AND 0.133 INCHES MAXIMUM |