| AATC |
EXTENDED WASHER DIAMETER |
1.040 INCHES MINIMUM AND 1.050 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
3.490 INCHES MINIMUM AND 3.510 INCHES MAXIMUM |
| AATD |
EXTENDED WASHER THICKNESS |
0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
180000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.625 INCHES |
| AASU |
HEAD HEIGHT |
0.608 INCHES MINIMUM AND 0.628 INCHES MAXIMUM |
| AATB |
WIDTH BETWEEN FLATS |
0.682 INCHES MINIMUM AND 0.691 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
NAS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
| AAJD |
THREAD CLASS |
3A |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.141 INCHES MINIMUM FIRST HOLE AND 0.146 INCHES MAXIMUM FIRST HOLE |
| AASB |
FASTENER LENGTH |
4.358 INCHES MINIMUM AND 4.388 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| MATT |
MATERIAL |
STEEL COMP 4140 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 6150 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 8740 OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AASA |
THREAD LENGTH |
0.848 INCHES MINIMUM AND 0.898 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
4.124 INCHES NOMINAL FIRST HOLE |
| AAUR |
GRIP DIAMETER |
0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
| AASK |
HEAD STYLE |
DOUBLE HEXAGON W/HOLE |