| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AASU |
HEAD HEIGHT |
0.165 INCHES MINIMUM AND 0.185 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.475 INCHES MINIMUM AND 0.495 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
1 |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AAWC |
FIRST DIAMETER FROM HEAD |
0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AAWD |
SECOND DIAMETER FROM HEAD |
0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.325 INCHES MINIMUM AND 0.416 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
1.083 INCHES MINIMUM AND 1.103 INCHES MAXIMUM |
| AAWJ |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER |
0.594 INCHES NOMINAL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
66 FED STD ALL MATERIAL RESPONSES OVERALL OR AISI ASSN STD ALL MATERIAL RESPONSES OVERALL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
| MATT |
MATERIAL |
STEEL COMP 303 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 305 OVERALL |
| AASK |
HEAD STYLE |
PAN |