| CRTL |
CRITICALITY CODE JUSTIFICATION |
ZZZY |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| AASK |
HEAD STYLE |
FILLISTER |
| SFTT |
SURFACE TREATMENT |
ZINC OVERALL AND CHROMATE OVERALL |
| CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
1 |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.531 INCHES NOMINAL |
| AASA |
THREAD LENGTH |
0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM |
| TEST |
TEST DATA DOCUMENT |
81349-MIL-P-23199 SPECIFICATION |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-Z-325,TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASU |
HEAD HEIGHT |
0.222 INCHES NOMINAL |
| SPCL |
SPECIAL TEST FEATURES |
SPECIAL QUALITY CONTROL TESTING |
| AASL |
HEAD DIAMETER |
0.401 INCHES NOMINAL |
| ZZZY |
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS |
AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| MATT |
MATERIAL |
STEEL COMP 305 OVERALL |
| AASB |
FASTENER LENGTH |
0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| AAWC |
FIRST DIAMETER FROM HEAD |
0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM |