| MRC |
Requirement Statement |
Characteristics |
| CRSQ |
COUNTERSINK ANGLE |
80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| AASB |
FASTENER LENGTH |
0.625 INCHES NOMINAL |
| AASL |
HEAD DIAMETER |
0.477 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| CTJJ |
PRIMARY WASHER MATERIAL THICKNESS |
0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM |
| CSPG |
PRIMARY WASHER OUTSIDE DIAMETER |
0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM |
| CTHW |
PRIMARY WASHER STYLE |
COUNTERSINK EXTERNAL TEETH |
| AAVW |
WASHER QUANTITY |
1 |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL OR ZINC OVERALL |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.472 INCHES MINIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
