| AASA |
THREAD LENGTH |
1.420 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
4.420 INCHES MINIMUM AND 4.500 INCHES MAXIMUM |
| ASDB |
WIDTH ACROSS FLATS |
0.375 INCHES NOMINAL |
| AASU |
HEAD HEIGHT |
0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
ASTM A322 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR ASTM A331 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND ZINC OVERALL AND CHROMATE OVERALL OR CHROMATE OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AASL |
HEAD DIAMETER |
0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TY 2 CL 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR ASTM B633 TY 2 SC 1 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| MATT |
MATERIAL |
STEEL COMP 4140 OVERALL OR STEEL COMP 4142 OVERALL |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| CMLP |
THREAD QUANTITY PER INCH |
20 |