| MRC |
Requirement Statement |
Characteristics |
| MATT |
MATERIAL |
STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
| AAUR |
GRIP DIAMETER |
0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
0.597 INCHES MINIMUM AND 0.627 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASL |
HEAD DIAMETER |
0.350 INCHES MINIMUM AND 0.399 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
| CRSQ |
COUNTERSINK ANGLE |
100.0 DEGREES NOMINAL |
| ANEE |
GRIP LENGTH |
0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES BEARING SURFACE OF HEAD 32.0 MICROINCHES THREADS |
