| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
1.285 INCHES MINIMUM AND 1.315 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
DISHED HEXAGON |
| MATT |
MATERIAL |
STEEL COMP 4140 OVERALL OR STEEL COMP 6150 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 8740 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 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 |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.410 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
