| AATB |
WIDTH BETWEEN FLATS |
0.875 INCHES NOMINAL |
| AATN |
SHOULDER DIAMETER |
0.5595 INCHES MINIMUM FIRST SHOULDER AND 0.5604 INCHES MAXIMUM FIRST SHOULDER |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AASU |
HEAD HEIGHT |
0.250 INCHES NOMINAL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AASA |
THREAD LENGTH |
0.388 INCHES MINIMUM AND 0.435 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| CQFM |
HARDNESS RATING |
58.0 ROCKWELL C MINIMUM OVERALL AND 64.0 ROCKWELL C MAXIMUM OVERALL |
| AASB |
FASTENER LENGTH |
2.734 INCHES MINIMUM AND 2.781 INCHES MAXIMUM |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.577 INCHES NOMINAL FIRST HOLE |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
2.106 INCHES NOMINAL FIRST HOLE |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| AATX |
SHOULDER LENGTH |
2.222 INCHES NOMINAL FIRST SHOULDER |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |