| CSYM |
SURFACE FINISH |
32.0 MICROINCHES THREADS |
| CQBC |
MINIMUM TENSILE STRENGTH |
180000 POUNDS PER SQUARE INCH |
| AATD |
EXTENDED WASHER THICKNESS |
0.059 INCHES MINIMUM AND 0.079 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AATC |
EXTENDED WASHER DIAMETER |
0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| SFTT |
SURFACE TREATMENT |
CHROMATE ZINC OVERALL |
| AASA |
THREAD LENGTH |
0.460 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
0.997 INCHES NOMINAL FIRST HOLE |
| AASU |
HEAD HEIGHT |
0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.076 INCHES MINIMUM FIRST HOLE AND 0.081 INCHES MAXIMUM FIRST HOLE |
| AASB |
FASTENER LENGTH |
1.220 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| AATB |
WIDTH BETWEEN FLATS |
0.306 INCHES MINIMUM AND 0.315 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL COMP 8740 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 8735 OVERALL |
| AASK |
HEAD STYLE |
DOUBLE HEXAGON W/HOLE |