| AATB |
WIDTH BETWEEN FLATS |
0.617 INCHES MINIMUM AND 0.627 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AAUM |
LOCKING FEATURE |
DETENT RING GRIP |
| AAJD |
THREAD CLASS |
3A |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
2.838 INCHES MINIMUM FIRST HOLE AND 2.868 INCHES MAXIMUM FIRST HOLE |
| CSYM |
SURFACE FINISH |
63.0 MICROINCHES GRIP |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| MATT |
MATERIAL |
STEEL COMP E4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 6150 OVERALL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL AND 41.0 ROCKWELL C MAXIMUM OVERALL |
| CSYM |
SURFACE FINISH |
63.0 MICROINCHES BEARING SURFACE OF HEAD |
| AASA |
THREAD LENGTH |
0.370 INCHES MINIMUM AND 0.483 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
DISHED HEXAGON |
| AASB |
FASTENER LENGTH |
2.958 INCHES MINIMUM AND 2.978 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.438 INCHES |
| AAUR |
GRIP DIAMETER |
0.4358 INCHES MINIMUM AND 0.4367 INCHES MAXIMUM |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.106 INCHES MINIMUM FIRST HOLE AND 0.116 INCHES MAXIMUM FIRST HOLE |
| AASU |
HEAD HEIGHT |
0.220 INCHES MINIMUM AND 0.235 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| ANEE |
GRIP LENGTH |
2.375 INCHES MINIMUM AND 2.391 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |