| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
| AAUB |
HOLE DIAMETER |
0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
180000 POUNDS PER SQUARE INCH |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES BEARING SURFACE OF HEAD |
| AASB |
FASTENER LENGTH |
4.440 INCHES NOMINAL |
| AAJD |
THREAD CLASS |
3A |
| AATC |
EXTENDED WASHER DIAMETER |
0.235 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| AATD |
EXTENDED WASHER THICKNESS |
0.055 INCHES NOMINAL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| ANEE |
GRIP LENGTH |
3.0909 INCHES MINIMUM AND 4.010 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.265 INCHES NOMINAL |
| AAUR |
GRIP DIAMETER |
0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| AASA |
THREAD LENGTH |
0.420 INCHES NOMINAL |
| MATT |
MATERIAL |
STEEL COMP 4140 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 6150 OVERALL OR STEEL COMP 8740 OVERALL |
| AATB |
WIDTH BETWEEN FLATS |
0.250 INCHES NOMINAL |
| CQHQ |
MINIMUM YIELD STRENGTH |
180000 POUNDS PER SQUARE INCH |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY2,CL2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| AASK |
HEAD STYLE |
DOUBLE HEXAGON W/HOLE |