| MRC |
Requirement Statement |
Characteristics |
| AAVR |
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS |
0.060 INCHES NOMINAL |
| AASB |
FASTENER LENGTH |
2.280 INCHES NOMINAL |
| CQFM |
HARDNESS RATING |
29.0 ROCKWELL C MINIMUM OVERALL AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.234 INCHES NOMINAL |
| AASL |
HEAD DIAMETER |
0.810 INCHES NOMINAL |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| MATT |
MATERIAL |
STEEL COMP 4140 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
130000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAVQ |
RIB LENGTH |
0.750 INCHES NOMINAL |
| AAVP |
RIB MAJOR DIAMETER |
0.614 INCHES MINIMUM AND 0.619 INCHES MAXIMUM |
| AATN |
SHOULDER DIAMETER |
0.593 INCHES MINIMUM FIRST SHOULDER AND 0.598 INCHES MAXIMUM FIRST SHOULDER |
| AATX |
SHOULDER LENGTH |
2.500 INCHES NOMINAL FIRST SHOULDER |
| CWYB |
SHOULDER SHAPE |
RIBBED FIRST SHOULDER |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.946 INCHES MINIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
