| MRC |
Requirement Statement |
Characteristics |
| AATF |
DISTANCE FROM CENTER OF HEAD TO CENTER OF SHANK |
0.312 INCHES NOMINAL |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
2.266 INCHES NOMINAL FIRST HOLE |
| AASB |
FASTENER LENGTH |
2.375 INCHES NOMINAL |
| CQFM |
HARDNESS RATING |
28.0 ROCKWELL C MINIMUM OVERALL AND 31.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.250 INCHES NOMINAL |
| AASL |
HEAD DIAMETER |
0.685 INCHES MINIMUM AND 0.688 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
DOUBLE HEXAGON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL COMP 3140 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
135000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.437 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
W/O INTERNAL DRIVE |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.109 INCHES NOMINAL FIRST HOLE |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
