| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
1 TYPE AND 4 STYLE |
| ABQJ |
POINT STYLE |
CUP |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
| AAJD |
THREAD CLASS |
3A |
| MATT |
MATERIAL |
STEEL COMP 4037 OVERALL OR STEEL COMP 4137 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL |
| ABQZ |
INTERNAL DRIVE STYLE |
W/O INTERNAL DRIVE |
| CQFM |
HARDNESS RATING |
38.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
66 FED STD ALL MATERIAL RESPONSES OVERALL |
| AASB |
FASTENER LENGTH |
0.500 INCHES NOMINAL |
| AASA |
THREAD LENGTH |
0.500 INCHES MINIMUM |
| AASK |
HEAD STYLE |
HEADLESS (SETSCREW) |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| ASDB |
WIDTH ACROSS FLATS |
0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |