| CRTL |
CRITICALITY CODE JUSTIFICATION |
ZZZY |
| AASA |
THREAD LENGTH |
0.259 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| ASXK |
HOLE QUANTITY |
2 |
| AASL |
HEAD DIAMETER |
0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| CQHQ |
MINIMUM YIELD STRENGTH |
130000 POUNDS PER SQUARE INCH |
| ZZZY |
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS |
CERTIFIED FREE FROM MERCURY CONTAMINATION |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| AASB |
FASTENER LENGTH |
0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL OVERALL |
| AAUB |
HOLE DIAMETER |
0.094 INCHES NOMINAL |
| ASDB |
WIDTH ACROSS FLATS |
0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| BQDM |
HOLE TYPE |
DRILLED |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| CRHC |
HOLE CONFIGURATION STYLE |
ROUND INTERNAL HEXAGON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
66 FED STD SINGLE MATERIAL RESPONSE OVERALL |