| MRC |
Requirement Statement |
Characteristics |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
0.587 INCHES MINIMUM FIRST HOLE AND 0.612 INCHES MAXIMUM FIRST HOLE |
| AASB |
FASTENER LENGTH |
0.687 INCHES MINIMUM AND 0.702 INCHES MAXIMUM |
| AAVZ |
GROOVE DIAMETER |
0.191 INCHES MINIMUM AND 0.201 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.500 INCHES NOMINAL |
| AASU |
HEAD HEIGHT |
0.125 INCHES NOMINAL |
| AASK |
HEAD STYLE |
BUTTON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| MATT |
MATERIAL |
STEEL COMP 4037 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 4140 OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.075 INCHES MINIMUM FIRST HOLE AND 0.080 INCHES MAXIMUM FIRST HOLE |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
| AASA |
THREAD LENGTH |
0.250 INCHES MINIMUM AND 0.265 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
