| MRC |
Requirement Statement |
Characteristics |
| CRSQ |
COUNTERSINK ANGLE |
90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM |
| AASB |
FASTENER LENGTH |
19.20 MILLIMETERS MINIMUM AND 20.80 MILLIMETERS MAXIMUM |
| CBBL |
FEATURES PROVIDED |
CASEHARDENED |
| AASL |
HEAD DIAMETER |
7.4 MILLIMETERS MINIMUM AND 8.7 MILLIMETERS MAXIMUM |
| AASK |
HEAD STYLE |
OVAL COUNTERSUNK |
| MATT |
MATERIAL |
STEEL OVERALL |
| CTYF |
NONMACHINE NOMINAL THREAD DIAMETER |
4.2 MILLIMETERS |
| CRGF |
NONMACHINE THREAD STYLE |
GIMLET POINT (TYPE A, AB OR BA) |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AISI ASSN STD ALL MATERIAL RESPONSES OVERALL |
| AAUJ |
SPLINE MAJOR DIAMETER |
3.4 MILLIMETERS NOMINAL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
GM 4255-M MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CHROMATE OVERALL |
