THREAD SERIES DESIGNATOR | UNJF |
NOMINAL THREAD DIAMETER | 0.2500 INCHES |
THREAD QUANTITY PER INCH | 28 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.370 INCHES NOMINAL |
FASTENER LENGTH | 1.917 INCHES MINIMUM AND |
| 1.947 INCHES MAXIMUM |
MATERIAL | STEEL CORROSION RESISTING OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | PASSIVATE OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700, METHOD 1, TYPE 2 OR TYPE 8, CLASS 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
HEAD STYLE | HEXAGON |
HEAD HEIGHT | 0.125 INCHES MINIMUM AND |
| 0.140 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.429 INCHES MINIMUM AND |
| 0.439 INCHES MAXIMUM |
HOLE CONFIGURATION STYLE | HEXAGON CORNERS |
HOLE TYPE | DRILLED |
HOLE QUANTITY | 3 |
HOLE DIAMETER | 0.046 INCHES NOMINAL |
GRIP LENGTH | 1.552 INCHES MINIMUM AND |
| 1.572 INCHES MAXIMUM |
GRIP DIAMETER | 0.2485 INCHES MINIMUM AND |
| 0.2495 INCHES MAXIMUM |
PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, TENSION, HEX HEAD |