| AASU |
HEAD HEIGHT |
0.266 INCHES MINIMUM AND 0.281 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.840 INCHES NOMINAL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TYII,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| MATT |
MATERIAL |
STEEL COMP 4140 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 6150 OVERALL |
| CWYB |
SHOULDER SHAPE |
ROUND SECOND SHOULDER |
| AATX |
SHOULDER LENGTH |
0.5761 INCHES MINIMUM FIRST SHOULDER AND 0.5771 INCHES MAXIMUM FIRST SHOULDER |
| AASK |
HEAD STYLE |
DISHED HEXAGON |
| AHYM |
NOMINAL THREAD DIAMETER |
0.5625 INCHES |
| AASB |
FASTENER LENGTH |
5.340 INCHES NOMINAL |
| AATB |
WIDTH BETWEEN FLATS |
0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM |
| AATN |
SHOULDER DIAMETER |
4.500 INCHES NOMINAL FIRST SHOULDER |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |