| AATC |
EXTENDED WASHER DIAMETER |
0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| CYAU |
SCREW MATERIAL |
STEEL COMP 8630 OR STEEL COMP 4037 |
| AAJD |
THREAD CLASS |
3A |
| AASB |
FASTENER LENGTH |
1.844 INCHES MINIMUM AND 1.906 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| CYAW |
SCREW MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-S-6050 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6300 ASSN STD 2ND MATERIAL RESPONSE |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.289 INCHES MINIMUM AND 0.453 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AASK |
HEAD STYLE |
ROUND EXTENDED WASHER |
| AASL |
HEAD DIAMETER |
0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM |
| CYBA |
SCREW SURFACE TREATMENT |
CADMIUM OR ZINC |
| CQBC |
MINIMUM TENSILE STRENGTH |
125000 POUNDS PER SQUARE INCH |
| CYBE |
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE |
| AASU |
HEAD HEIGHT |
0.096 INCHES MINIMUM AND 0.106 INCHES MAXIMUM |
| AATD |
EXTENDED WASHER THICKNESS |
0.028 INCHES MINIMUM AND 0.033 INCHES MAXIMUM |