| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.2500 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.425 INCHES NOMINAL |
| FASTENER LENGTH | 2.3475 INCHES MINIMUM AND |
| 2.3775 INCHES MAXIMUM |
| MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BMS10-85, TYPE I, CLASS A MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | FLAT COUNTERSUNK |
| HEAD DIAMETER | 0.465 INCHES NOMINAL |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE III |
| GRIP LENGTH | 1.9275 INCHES MINIMUM AND |
| 1.9475 INCHES MAXIMUM |
| GRIP DIAMETER | 0.2485 INCHES MINIMUM AND |
| 0.2495 INCHES MAXIMUM |
| SPECIAL FEATURES | MAXIMUM SERVICE TEMPERATURE IS 350 DEG F; CROSS RECESS PER NASM9006 |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | ITEM IS FAA CERTIFIED |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, 100 DEG HEAD, CROSS RECESS,160 KSI MIN TENSILE, LONG THREAD, 6AL-4V TITANIUM (NOMINAL AND OVERSIZE) |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 81205 |
| DESIGN CONTROL REFERENCE | BACB30NN4K31 |