| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
3.156 INCHES MINIMUM AND 3.250 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
24.0 ROCKWELL C MINIMUM OVERALL AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-N-286 CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATT |
MATERIAL |
NICKEL ALLOY K-500 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
130000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| AATB |
WIDTH BETWEEN FLATS |
0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
1.250 INCHES MINIMUM AND 1.442 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
13 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
