| MRC |
Requirement Statement |
Characteristics |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AASB |
FASTENER LENGTH |
0.450 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.308 INCHES MINIMUM AND 0.332 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.072 INCHES NOMINAL |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK UNDERCUT |
| MATT |
MATERIAL |
STEEL OVERALL |
| CTYF |
NONMACHINE NOMINAL THREAD DIAMETER |
0.164 INCHES |
| CRGF |
NONMACHINE THREAD STYLE |
SELF DRILLING |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416, TY 2, CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
