| THSD |
THREAD SERIES DESIGNATOR |
UNJC |
| AATX |
SHOULDER LENGTH |
0.510 INCHES MINIMUM FIRST SHOULDER AND 0.520 INCHES MAXIMUM FIRST SHOULDER |
| AAJD |
THREAD CLASS |
3A |
| AASA |
THREAD LENGTH |
0.280 INCHES MINIMUM AND 0.361 INCHES MAXIMUM |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| ABQZ |
INTERNAL DRIVE STYLE |
W/O INTERNAL DRIVE |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AATB |
WIDTH BETWEEN FLATS |
0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL COMP 4130 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 4037 OVERALL |
| AATN |
SHOULDER DIAMETER |
0.186 INCHES MINIMUM FIRST SHOULDER AND 0.189 INCHES MAXIMUM FIRST SHOULDER |
| CQBC |
MINIMUM TENSILE STRENGTH |
125000 POUNDS PER SQUARE INCH |
| AASB |
FASTENER LENGTH |
0.862 INCHES MINIMUM AND 0.902 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| CQFM |
HARDNESS RATING |
26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.138 INCHES |
| AASU |
HEAD HEIGHT |
0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |