| AATB |
WIDTH BETWEEN FLATS |
0.875 INCHES NOMINAL |
| AASB |
FASTENER LENGTH |
5.125 INCHES NOMINAL |
| AASA |
THREAD LENGTH |
0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| CQFM |
HARDNESS RATING |
32.0 ROCKWELL C MINIMUM OVERALL AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
5.032 INCHES MINIMUM FIRST HOLE AND 5.062 INCHES MAXIMUM FIRST HOLE |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AAJD |
THREAD CLASS |
2A |
| AASK |
HEAD STYLE |
HEXAGON |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.106 INCHES MINIMUM FIRST HOLE AND 0.116 INCHES MAXIMUM FIRST HOLE |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| FEAT |
SPECIAL FEATURES |
THD RELIEF 0.426 IN. DIA BY 0.125 IN. W |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| AATX |
SHOULDER LENGTH |
4.437 INCHES MINIMUM FIRST SHOULDER AND 4.452 INCHES MAXIMUM FIRST SHOULDER |
| AATN |
SHOULDER DIAMETER |
0.559 INCHES MINIMUM FIRST SHOULDER AND 0.561 INCHES MAXIMUM FIRST SHOULDER |
| AASU |
HEAD HEIGHT |
0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |