| FASTENER LENGTH | 1.3360 INCHES MINIMUM AND 1.3520 INCHES MAXIMUM |
| HEAD HEIGHT | 0.0810 INCHES NOMINAL |
| HEAD DIAMETER | 0.4390 INCHES MINIMUM AND 0.4970 INCHES MAXIMUM |
| HEAD STYLE | FLUSH |
| INTERNAL DRIVE STYLE | TORX |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5630 ASSN STD SINGLE MATERIAL RESPONSE OR AMS-QQ-S-763 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5630 ASSN STD SINGLE MATERIAL RESPONSE OR AMS-QQ-S-763 ASSN STD SINGLE MATERIAL RESPONSE LOCKING FEATURE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5678 ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| MATERIAL | NICKEL ALLOY 718 FASTENER |
| MATERIAL | STEEL COMP 440C LOCKING FEATURE |
| MATERIAL | STEEL COMP 631 SPRING |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, SHOULDER, 100 DEG FLUSH HD, POSITIVE LOCKING |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.2500 INCHES |
| SPLINE MAJOR DIAMETER | 0.1550 INCHES NOMINAL |
| SURFACE TREATMENT | PASSIVATE SPRING |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.3650 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNJF |