| AASB |
FASTENER LENGTH |
9.572 INCHES MINIMUM AND 9.602 INCHES MAXIMUM |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
| ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS638 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AATB |
WIDTH BETWEEN FLATS |
1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM |
| AATD |
EXTENDED WASHER THICKNESS |
0.248 INCHES MINIMUM AND 0.268 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
1.125 INCHES |
| CQBC |
MINIMUM TENSILE STRENGTH |
180000 POUNDS PER SQUARE INCH |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES BEARING SURFACE OF HEAD |
| AASU |
HEAD HEIGHT |
1.041 INCHES MINIMUM AND 1.061 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
1.562 INCHES MINIMUM AND 1.612 INCHES MAXIMUM |
| AATC |
EXTENDED WASHER DIAMETER |
1.865 INCHES MINIMUM AND 1.875 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| AAUR |
GRIP DIAMETER |
1.1225 INCHES MINIMUM AND 1.1240 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL COMP E4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| ANEE |
GRIP LENGTH |
7.990 INCHES MINIMUM AND 8.010 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
12 |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
| AASK |
HEAD STYLE |
DOUBLE HEXAGON W/HOLE |