THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.500 INCHES |
THREAD QUANTITY PER INCH | 13 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.830 INCHES MINIMUM AND |
| 1.031 INCHES MAXIMUM |
FASTENER LENGTH | 0.984 INCHES MINIMUM AND |
| 1.031 INCHES MAXIMUM |
MATERIAL | STEEL COMP 302 OR |
| STEEL COMP 303 OR |
| STEEL COMP 304 OR |
| STEEL COMP 305 OR |
| STEEL COMP 316 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
SURFACE TREATMENT | PASSIVATE OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
HARDNESS RATING | 80.0 ROCKWELL B MINIMUM OVERALL |
MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH |
HEAD STYLE | FLAT CHAMFER |
HEAD DIAMETER | 0.735 INCHES MINIMUM AND |
| 0.750 INCHES MAXIMUM |
HEAD HEIGHT | 0.492 INCHES MINIMUM AND |
| 0.500 INCHES MAXIMUM |
INTERNAL DRIVE STYLE | HEXAGON |
WIDTH ACROSS FLATS | 0.375 INCHES MINIMUM AND |
| 0.379 INCHES MAXIMUM |
HOLE CONFIGURATION STYLE | ROUND |
HOLE TYPE | DRILLED |
HOLE QUANTITY | 6 |
HOLE DIAMETER | 0.064 INCHES NOMINAL |
SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| 32.0 MICROINCHES THREADS |
NONDEFINITIVE SPEC/STD DATA | 6 TYPE |
SPEC/STD CONTROLLING DATA | |
MANUFACTURERS CODE | 81348 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFS86 |
MANUFACTURERS CODE | 96906 |
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS24674-57 |