| CQHQ |
MINIMUM YIELD STRENGTH |
30000 POUNDS PER SQUARE INCH |
| SFTT |
SURFACE TREATMENT |
ZINC OVERALL |
| ASDB |
WIDTH ACROSS FLATS |
0.250 INCHES NOMINAL |
| AAUM |
LOCKING FEATURE |
PATCH THREADS |
| AASB |
FASTENER LENGTH |
0.750 INCHES NOMINAL |
| MATT |
MATERIAL |
STEEL CORROSION RESISTING OVERALL |
| AASK |
HEAD STYLE |
FILLISTER |
| AASU |
HEAD HEIGHT |
0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| FEAT |
SPECIAL FEATURES |
CRITICAL ITEM HYDROGEN EMBRITTLEMENT RELIEF REQUIRED |
| CQBC |
MINIMUM TENSILE STRENGTH |
80000 POUNDS PER SQUARE INCH |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CQFM |
HARDNESS RATING |
80.0 ROCKWELL B MINIMUM OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AASA |
THREAD LENGTH |
0.750 INCHES NOMINAL |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| AASL |
HEAD DIAMETER |
0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-Z-325 TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
66 FED STD SINGLE MATERIAL RESPONSE OVERALL |