| AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.328 INCHES MINIMUM AND 0.359 INCHES MAXIMUM |
| AAWJ |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER |
0.406 INCHES MINIMUM AND 0.468 INCHES MAXIMUM |
| AAWC |
FIRST DIAMETER FROM HEAD |
0.310 INCHES MINIMUM AND 0.311 INCHES MAXIMUM |
| CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
1 |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| SFTT |
SURFACE TREATMENT |
CHROMATE ZINC OVERALL |
| AASU |
HEAD HEIGHT |
0.250 INCHES NOMINAL |
| AATB |
WIDTH BETWEEN FLATS |
0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AAWD |
SECOND DIAMETER FROM HEAD |
0.188 INCHES NOMINAL |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| AASK |
HEAD STYLE |
HEXAGON |
| AASB |
FASTENER LENGTH |
0.797 INCHES MINIMUM AND 0.828 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.329 INCHES MINIMUM AND 0.422 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL COMP 1117 OVERALL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
20 |