| AASA |
THREAD LENGTH |
0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AAJD |
THREAD CLASS |
3A |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AASB |
FASTENER LENGTH |
1.642 INCHES MINIMUM AND 1.672 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AATN |
SHOULDER DIAMETER |
0.280 INCHES MINIMUM FIRST SHOULDER AND 0.281 INCHES MAXIMUM FIRST SHOULDER |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AATX |
SHOULDER LENGTH |
1.067 INCHES MINIMUM FIRST SHOULDER AND 1.087 INCHES MAXIMUM FIRST SHOULDER |
| AASL |
HEAD DIAMETER |
0.464 INCHES MINIMUM AND 0.506 INCHES MAXIMUM |
| ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS1604 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| MATT |
MATERIAL |
STEEL COMP 8740 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 6150 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 4130 OVERALL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |