| EXTENDED WASHER THICKNESS | 0.060 INCHES NOMINAL |
| EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| FASTENER LENGTH | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM |
| GRIP DIAMETER | 0.250 INCHES NOMINAL |
| GRIP LENGTH | 0.619 INCHES NOMINAL |
| HEAD INSIDE DIAMETER | 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
| HEAD HEIGHT | 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7477 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, MACHINE, DOUBLE HEXAGON |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | ITEM IS FAA CERTIFIED |
| SPECIAL FEATURES | O'LEVEL ATA-75; VALVE AND FILTER-HIGH PRESSURE COMPRESSOR SECONDARY FLOW CONTROL, LEFT SIDE |
| WIDTH BETWEEN FLATS | 0.3125 INCHES NOMINAL |
| SURFACE FINISH | 32.0 MICROINCHES OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNJF |