| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
2.250 INCHES NOMINAL |
| CQFM |
HARDNESS RATING |
25.0 ROCKWELL C MINIMUM OVERALL AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| MATT |
MATERIAL |
STEEL COMP 4140 OVERALL OR STEEL COMP 4142 OVERALL OR STEEL COMP 4145 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
125000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
ASTM A193 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| 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 |
2.057 INCHES MINIMUM AND 2.250 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
13 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
