| AATX |
SHOULDER LENGTH |
2.640 INCHES MINIMUM FIRST SHOULDER AND 2.660 INCHES MAXIMUM FIRST SHOULDER |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.137 INCHES MINIMUM FIRST HOLE AND 0.151 INCHES MAXIMUM FIRST HOLE |
| AASB |
FASTENER LENGTH |
3.600 INCHES NOMINAL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
2.335 INCHES MINIMUM FIRST HOLE AND 2.365 INCHES MAXIMUM FIRST HOLE |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| MATT |
MATERIAL |
STEEL OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AATB |
WIDTH BETWEEN FLATS |
1.040 INCHES MINIMUM AND 1.080 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.940 INCHES MINIMUM AND 0.960 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
2A |
| AASK |
HEAD STYLE |
HEXAGON |
| AATN |
SHOULDER DIAMETER |
0.747 INCHES MINIMUM FIRST SHOULDER AND 0.749 INCHES MAXIMUM FIRST SHOULDER |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| AASU |
HEAD HEIGHT |
0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
| CQFM |
HARDNESS RATING |
26.0 ROCKWELL C MINIMUM OVERALL AND 33.0 ROCKWELL C MAXIMUM OVERALL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
66 FED STD SINGLE MATERIAL RESPONSE OVERALL |