| MRC |
Requirement Statement |
Characteristics |
| CQWR |
EXTERNAL THREAD TOLERANCE CLASS |
6G |
| AASB |
FASTENER LENGTH |
128.70 MILLIMETERS MINIMUM AND 131.30 MILLIMETERS MAXIMUM |
| CQFM |
HARDNESS RATING |
33.0 ROCKWELL C MINIMUM OVERALL AND 39.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
9.68 MILLIMETERS MINIMUM AND 10.32 MILLIMETERS MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| MATT |
MATERIAL |
STEEL PROPERTY CLASS 10.9 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
1040 MEGAPASCALS |
| CQHQ |
MINIMUM YIELD STRENGTH |
940 MEGAPASCALS |
| AHYM |
NOMINAL THREAD DIAMETER |
16.0 MILLIMETERS |
| AATB |
WIDTH BETWEEN FLATS |
23.67 MILLIMETERS MINIMUM AND 24.00 MILLIMETERS MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
ZINC OVERALL AND CHROMATE OVERALL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
42.7 MILLIMETERS MINIMUM AND 55.3 MILLIMETERS MAXIMUM |
| CQQR |
THREAD PITCH IN MILLIMETERS |
2 |
| THSD |
THREAD SERIES DESIGNATOR |
M |
