| AASK |
HEAD STYLE |
KNURLED NO. 1 |
| THSD |
THREAD SERIES DESIGNATOR |
UNRC |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
| AAJD |
THREAD CLASS |
3A |
| AASB |
FASTENER LENGTH |
1.438 INCHES NOMINAL |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASU |
HEAD HEIGHT |
0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| ASDB |
WIDTH ACROSS FLATS |
0.187 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL OVERALL |
| AATX |
SHOULDER LENGTH |
0.848 INCHES MINIMUM FIRST SHOULDER AND 0.941 INCHES MAXIMUM FIRST SHOULDER |
| AATN |
SHOULDER DIAMETER |
0.372 INCHES MINIMUM FIRST SHOULDER AND 0.373 INCHES MAXIMUM FIRST SHOULDER |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| AASL |
HEAD DIAMETER |
0.543 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |