| AATB |
WIDTH BETWEEN FLATS |
0.440 INCHES NOMINAL |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.078 INCHES NOMINAL FIRST HOLE |
| MATT |
MATERIAL |
STEEL COMP 431 OVERALL |
| AATX |
SHOULDER LENGTH |
0.575 INCHES MINIMUM FIRST SHOULDER AND 0.580 INCHES MAXIMUM FIRST SHOULDER |
| AAJD |
THREAD CLASS |
3A |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AASB |
FASTENER LENGTH |
0.926 INCHES NOMINAL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AASL |
HEAD DIAMETER |
0.500 INCHES NOMINAL |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AATN |
SHOULDER DIAMETER |
0.3131 INCHES MINIMUM FIRST SHOULDER AND 0.3135 INCHES MAXIMUM FIRST SHOULDER |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AASA |
THREAD LENGTH |
0.346 INCHES MINIMUM |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
0.825 INCHES NOMINAL FIRST HOLE |
| CQBC |
MINIMUM TENSILE STRENGTH |
175000 POUNDS PER SQUARE INCH |
| AASU |
HEAD HEIGHT |
0.200 INCHES NOMINAL |
| AASK |
HEAD STYLE |
ROUND W/WRENCH FLATS |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |