| AASU |
HEAD HEIGHT |
0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.625 INCHES |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AASB |
FASTENER LENGTH |
1.690 INCHES MINIMUM AND 1.750 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
| AAJD |
THREAD CLASS |
3A |
| THSD |
THREAD SERIES DESIGNATOR |
UNRF |
| AASL |
HEAD DIAMETER |
0.921 INCHES MINIMUM AND 0.937 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| CQFM |
HARDNESS RATING |
38.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| AAUM |
LOCKING FEATURE |
STRIP THREADS |
| MATT |
MATERIAL |
STEEL OVERALL |
| AASA |
THREAD LENGTH |
1.379 INCHES MINIMUM AND 1.750 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
170000 POUNDS PER SQUARE INCH |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| CQHQ |
MINIMUM YIELD STRENGTH |
150000 POUNDS PER SQUARE INCH |
| ASDB |
WIDTH ACROSS FLATS |
0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |