| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.3750 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.643 INCHES NOMINAL |
| FASTENER LENGTH | 2.3305 INCHES NOMINAL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5726 ASSN STD SINGLE MATERIAL RESPONSE AND |
| AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BMS10-85, TYPE I, CLASS A MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 200000 POUNDS PER SQUARE INCH |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| HEAD HEIGHT | 0.340 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND |
| 0.439 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.644 INCHES NOMINAL |
| EXTENDED WASHER THICKNESS | 0.091 INCHES NOMINAL |
| GRIP LENGTH | 1.6875 INCHES NOMINAL |
| GRIP DIAMETER | 0.3735 INCHES MINIMUM AND |
| 0.3745 INCHES MAXIMUM |
| SPECIAL FEATURES | MAXIMUM SERVICE TEMPERTURE 350 F |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | ITEM IS FAA CERTIFIED |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, 12 POINT HEAD, 200 KSI MIN TENSILE, A286 CRES (NOMINAL AND OVERSIZE) |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 81205 |
| DESIGN CONTROL REFERENCE | BACB30LE6K27 |