| EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM |
| EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| FASTENER LENGTH | 1.114 INCHES MINIMUM AND 1.135 INCHES MAXIMUM |
| GRIP DIAMETER | 0.222 INCHES MINIMUM AND 0.232 INCHES MAXIMUM |
| GRIP LENGTH | 0.244 INCHES MINIMUM |
| HEAD HEIGHT | 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| HOLE CONFIGURATION STYLE | DOUBLE HEXAGON FLATS |
| HOLE DIAMETER | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| HOLE QUANTITY | 2 |
| HOLE TYPE | DRILLED |
| MATERIAL | NICKEL ALLOY 718 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, PD SHANK, NICKEL ALLOY, UNS N07718, 185 KSI MIN UTS, .2500-28 UNJF-3A |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 185000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| WIDTH BETWEEN FLATS | 0.3125 INCHES NOMINAL |
| 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 |