| MRC |
Requirement Statement |
Characteristics |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
0.517 INCHES NOMINAL FIRST HOLE |
| CRSQ |
COUNTERSINK ANGLE |
100.0 DEGREES NOMINAL |
| AASB |
FASTENER LENGTH |
0.640 INCHES MINIMUM AND 0.687 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| AASL |
HEAD DIAMETER |
0.377 INCHES MINIMUM AND 0.381 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| MATT |
MATERIAL |
STEEL COMP 4130 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 6150 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 8740 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.070 INCHES MINIMUM FIRST HOLE AND 0.080 INCHES MAXIMUM FIRST HOLE |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES THREADS |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
