| MRC |
Requirement Statement |
Characteristics |
| AATC |
EXTENDED WASHER DIAMETER |
0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AATD |
EXTENDED WASHER THICKNESS |
0.069 INCHES NOMINAL |
| AASB |
FASTENER LENGTH |
3.387 INCHES NOMINAL |
| AAUR |
GRIP DIAMETER |
0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
2.865 INCHES MINIMUM AND 2.885 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.300 INCHES NOMINAL |
| AASK |
HEAD STYLE |
DOUBLE HEXAGON W/HOLE |
| MATT |
MATERIAL |
STEEL COMP 8740 OR STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 6150 OR STEEL COMP 4140 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
180000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AATB |
WIDTH BETWEEN FLATS |
0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM AND CHROMATE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.492 INCHES MINIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
