| SFTT |
SURFACE TREATMENT |
CADMIUM PRIMARY WASHER |
| FEAT |
SPECIAL FEATURES |
SHOULDER AND THREADS UNDERCUT FOR RELIEF. CARBURIZE AND PARCO LUBRIZE SHOULDER AND SHOULDER UNDERCUT |
| AATB |
WIDTH BETWEEN FLATS |
0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
4.000 INCHES NOMINAL FIRST HOLE |
| AAJD |
THREAD CLASS |
3A |
| AATD |
EXTENDED WASHER THICKNESS |
0.125 INCHES NOMINAL |
| AASU |
HEAD HEIGHT |
0.375 INCHES NOMINAL |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER |
| SFTT |
SURFACE TREATMENT |
CADMIUM THREADS |
| AASB |
FASTENER LENGTH |
4.125 INCHES NOMINAL |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AATC |
EXTENDED WASHER DIAMETER |
1.150 INCHES NOMINAL |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.106 INCHES NOMINAL FIRST HOLE |
| CBBL |
FEATURES PROVIDED |
CASEHARDENED |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
A000 FED STD 3RD TREATMENT RESPONSE THREADS |
| CRTL |
CRITICALITY CODE JUSTIFICATION |
AATN |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS6265 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AASK |
HEAD STYLE |
HEXAGON EXTENDED WASHER |
| AATX |
SHOULDER LENGTH |
3.535 INCHES NOMINAL FIRST SHOULDER |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| MATT |
MATERIAL |
STEEL COMP E9310 OVERALL |
| AATN |
SHOULDER DIAMETER |
0.9991 INCHES MINIMUM FIRST SHOULDER AND 0.9994 INCHES MAXIMUM FIRST SHOULDER |