| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AASB |
FASTENER LENGTH |
3.150 INCHES MINIMUM AND 3.180 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.257 INCHES NOMINAL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| CQFM |
HARDNESS RATING |
51.0 ROCKWELL C MINIMUM OVERALL AND 54.0 ROCKWELL C MAXIMUM OVERALL |
| AATB |
WIDTH BETWEEN FLATS |
0.678 INCHES MINIMUM AND 0.689 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
260000 POUNDS PER SQUARE INCH |
| AAJD |
THREAD CLASS |
3A |
| AASA |
THREAD LENGTH |
0.368 INCHES MINIMUM AND 0.518 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
3.011 INCHES NOMINAL FIRST HOLE |
| ANEE |
GRIP LENGTH |
2.662 INCHES MINIMUM AND 2.682 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL |
| AAUR |
GRIP DIAMETER |
0.4355 INCHES MINIMUM AND 0.4365 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.438 INCHES |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.106 INCHES MINIMUM FIRST HOLE AND 0.116 INCHES MAXIMUM FIRST HOLE |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| AASK |
HEAD STYLE |
DOUBLE HEXAGON |
| MATT |
MATERIAL |
STEEL COMP H11 OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
20 |