| MRC |
Requirement Statement |
Characteristics |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
3.250 INCHES NOMINAL FIRST HOLE |
| AASB |
FASTENER LENGTH |
3.406 INCHES NOMINAL |
| AAUR |
GRIP DIAMETER |
0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
3.062 INCHES NOMINAL |
| AASU |
HEAD HEIGHT |
0.125 INCHES NOMINAL |
| AASK |
HEAD STYLE |
HEXAGON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL COMP 4130 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
125000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.076 INCHES NOMINAL FIRST HOLE |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AATB |
WIDTH BETWEEN FLATS |
0.427 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM HEAD |
| SFTT |
SURFACE TREATMENT |
CADMIUM THREADS |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.312 INCHES MINIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
