| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
2.750 INCHES NOMINAL |
| CQFM |
HARDNESS RATING |
23.0 ROCKWELL B MINIMUM OVERALL AND 80.0 ROCKWELL B MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
74000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.438 INCHES |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
2 TYPE AND 1 STYLE AND 2 GRADE |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AATB |
WIDTH BETWEEN FLATS |
0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| CSYM |
SURFACE FINISH |
125.0 MICROINCHES BEARING SURFACE OF HEAD |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
1.125 INCHES MINIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
