| MRC |
Requirement Statement |
Characteristics |
| CQWR |
EXTERNAL THREAD TOLERANCE CLASS |
6H |
| AASB |
FASTENER LENGTH |
28.0 MILLIMETERS NOMINAL |
| AASU |
HEAD HEIGHT |
12.12 MILLIMETERS MINIMUM AND 12.88 MILLIMETERS MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| MATT |
MATERIAL |
STEEL PROPERTY CLASS 10.9 OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
20.0 MILLIMETERS |
| AATB |
WIDTH BETWEEN FLATS |
29.16 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-Z-325, TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
ZINC OVERALL AND CHROMATE OVERALL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
28.0 MILLIMETERS NOMINAL |
| CQQR |
THREAD PITCH IN MILLIMETERS |
2.5 |
| THSD |
THREAD SERIES DESIGNATOR |
M |
