| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AATB |
WIDTH BETWEEN FLATS |
0.863 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
7/16-20 |
| AASU |
HEAD HEIGHT |
0.312 INCHES NOMINAL |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| MATT |
MATERIAL |
STEEL COMP E4340 OVERALL |
| AASK |
HEAD STYLE |
HEXAGON |
| CBBL |
FEATURES PROVIDED |
CASEHARDENED |
| AASB |
FASTENER LENGTH |
2.545 INCHES MINIMUM AND 2.555 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.438 INCHES |
| AATN |
SHOULDER DIAMETER |
0.5607 INCHES MINIMUM FIRST SHOULDER AND 0.5616 INCHES MAXIMUM FIRST SHOULDER |
| AASA |
THREAD LENGTH |
0.438 INCHES NOMINAL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AATX |
SHOULDER LENGTH |
2.107 INCHES MINIMUM FIRST SHOULDER AND 2.117 INCHES MAXIMUM FIRST SHOULDER |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |