| MRC |
Requirement Statement |
Characteristics |
| AATC |
EXTENDED WASHER DIAMETER |
0.624 INCHES MINIMUM AND 0.676 INCHES MAXIMUM |
| AATD |
EXTENDED WASHER THICKNESS |
0.035 INCHES MINIMUM AND 0.055 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
0.750 INCHES NOMINAL |
| CQFM |
HARDNESS RATING |
28.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.243 INCHES MINIMUM AND 0.285 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON EXTENDED WASHER |
| MATT |
MATERIAL |
STEEL OVERALL |
| CTYF |
NONMACHINE NOMINAL THREAD DIAMETER |
0.312 INCHES |
| CRGF |
NONMACHINE THREAD STYLE |
BLUNT (SF) OR BLUNT (TYPE SW) OR BLUNT (TYPE TT) |
| ABQZ |
INTERNAL DRIVE STYLE |
W/O INTERNAL DRIVE |
| AATB |
WIDTH BETWEEN FLATS |
0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
PHOSPHATE ZINC OVERALL |
