| AATX |
SHOULDER LENGTH |
0.407 INCHES MINIMUM FIRST SHOULDER AND 0.469 INCHES MAXIMUM FIRST SHOULDER |
| MATT |
MATERIAL |
STEEL COMP 8637 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8640 OVERALL |
| AATN |
SHOULDER DIAMETER |
0.682 INCHES MINIMUM FIRST SHOULDER AND 0.687 INCHES MAXIMUM FIRST SHOULDER |
| AHYM |
NOMINAL THREAD DIAMETER |
0.625 INCHES |
| AASU |
HEAD HEIGHT |
0.375 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CQFM |
HARDNESS RATING |
32.0 ROCKWELL C MINIMUM OVERALL AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| AASB |
FASTENER LENGTH |
1.469 INCHES MINIMUM AND 1.531 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
2A |
| AASK |
HEAD STYLE |
HEXAGON |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| AASA |
THREAD LENGTH |
1.031 INCHES MINIMUM AND 1.093 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| AATB |
WIDTH BETWEEN FLATS |
0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM |