| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416, TY2, CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
4.615 INCHES MINIMUM FIRST HOLE AND 4.733 INCHES MAXIMUM FIRST HOLE |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM FASTENER AND 41.0 ROCKWELL C MAXIMUM FASTENER |
| AAJD |
THREAD CLASS |
3A |
| AATB |
WIDTH BETWEEN FLATS |
1.052 INCHES MINIMUM AND 1.064 INCHES MAXIMUM |
| CSYM |
SURFACE FINISH |
63.0 MICROINCHES GRIP |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CBBL |
FEATURES PROVIDED |
COTTER PIN |
| AASK |
HEAD STYLE |
CROWNED HEXAGON |
| CSYM |
SURFACE FINISH |
63.0 MICROINCHES BEARING SURFACE OF HEAD |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.7482 INCHES MINIMUM FIRST HOLE AND 0.7491 INCHES MAXIMUM FIRST HOLE |
| CMLP |
THREAD QUANTITY PER INCH |
16 |
| CQBC |
MINIMUM TENSILE STRENGTH |
95000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.750 INCHES |
| AASU |
HEAD HEIGHT |
0.376 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| AASA |
THREAD LENGTH |
1.012 INCHES MINIMUM AND 1.124 INCHES MAXIMUM |
| AAUM |
LOCKING FEATURE |
RETAINER FASTENER |
| MATT |
MATERIAL |
STEEL COMP 4140 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 6150 OVERALL |
| AASB |
FASTENER LENGTH |
4.762 INCHES MINIMUM AND 4.890 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
4.762 INCHES MINIMUM AND 4.782 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.7482 INCHES MINIMUM AND 0.7491 INCHES MAXIMUM |