| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CBBL |
FEATURES PROVIDED |
FINISHED HEAD |
| AATB |
WIDTH BETWEEN FLATS |
0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASB |
FASTENER LENGTH |
0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
32.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| MATT |
MATERIAL |
STEEL OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| AASA |
THREAD LENGTH |
0.745 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| AAUM |
LOCKING FEATURE |
DISTORTIONS HEAD |
| AASK |
HEAD STYLE |
DISTORTED HEAD |
| CQBC |
MINIMUM TENSILE STRENGTH |
150000 POUNDS PER SQUARE INCH |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
20 |