| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.073 INCHES NOMINAL FIRST HOLE |
| AASB |
FASTENER LENGTH |
0.750 INCHES NOMINAL |
| AASA |
THREAD LENGTH |
0.312 INCHES MINIMUM |
| AASK |
HEAD STYLE |
FLUSH |
| AASL |
HEAD DIAMETER |
0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AATX |
SHOULDER LENGTH |
0.167 INCHES MINIMUM FIRST SHOULDER AND 0.177 INCHES MAXIMUM FIRST SHOULDER |
| AAUH |
SPLINE MINOR DIAMETER |
0.025 INCHES MINIMUM AND 0.026 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AAJD |
THREAD CLASS |
2A |
| AASU |
HEAD HEIGHT |
0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM |
| AATN |
SHOULDER DIAMETER |
0.281 INCHES MINIMUM FIRST SHOULDER AND 0.283 INCHES MAXIMUM FIRST SHOULDER |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
0.656 INCHES NOMINAL FIRST HOLE |
| SFTT |
SURFACE TREATMENT |
OXIDE FILM OVERALL |
| AAUJ |
SPLINE MAJOR DIAMETER |
0.034 INCHES MINIMUM AND 0.035 INCHES MAXIMUM |
| AAUK |
SPLINE WIDTH |
0.011 INCHES MINIMUM AND 0.012 INCHES MAXIMUM |