| MRC |
Requirement Statement |
Characteristics |
| CRSQ |
COUNTERSINK ANGLE |
80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM |
| AASB |
FASTENER LENGTH |
1.750 INCHES NOMINAL |
| AASL |
HEAD DIAMETER |
0.480 NOMINAL MILS AND 0.531 NOMINAL CENTIMETERS |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| MATT |
MATERIAL |
STEEL OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| CXCY |
PART NAME ASSIGNED BY CONTROLLING AGENCY |
SCREW CAP SOCKET HEAD FLAT COUNTERSUNK 82 DEGREES ALLOY STEEL UNC-3A |
| ASDB |
WIDTH ACROSS FLATS |
0.156 INCHES NOMINAL |
| SFTT |
SURFACE TREATMENT |
ZINC OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
1.000 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
