| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
0.715 INCHES MINIMUM AND 0.735 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
0.165 INCHES MINIMUM AND 0.185 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.2640 INCHES MINIMUM AND 0.2650 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
30.0 ROCKWELL C MINIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
DOUBLE HEXAGON |
| MATT |
MATERIAL |
STEEL CORROSION RESISTING OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
150000 POUNDS PER SQUARE INCH |
| CQHQ |
MINIMUM YIELD STRENGTH |
100000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AATB |
WIDTH BETWEEN FLATS |
0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES BEARING SURFACE OF HEAD |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.530 INCHES MINIMUM AND 0.570 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
