| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
2.725 INCHES MINIMUM AND 2.745 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
32.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.853 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| MATT |
MATERIAL |
STEEL OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
140000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| AATN |
SHOULDER DIAMETER |
0.621 INCHES MINIMUM FIRST SHOULDER AND 0.623 INCHES MAXIMUM FIRST SHOULDER |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AATX |
SHOULDER LENGTH |
1.995 INCHES MINIMUM FIRST SHOULDER AND 2.005 INCHES MAXIMUM FIRST SHOULDER |
| AAWU |
SINGLE SHEAR STRENGTH |
10400 POUNDS PER SQUARE INCH |
| ASDB |
WIDTH ACROSS FLATS |
0.312 INCHES NOMINAL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
ASTM B 633, TYPE II, CLASS FE/ZN 5 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
ZINC OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
13 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
