| SFTT |
SURFACE TREATMENT |
CHROMIUM THREADS |
| CRTL |
CRITICALITY CODE JUSTIFICATION |
ZZZY |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-C-320 CL 2B FED SPEC SINGLE TREATMENT RESPONSE THREADS |
| ZZZY |
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS |
AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATION |
| ABQJ |
POINT STYLE |
CUP |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AAUM |
LOCKING FEATURE |
PELLET THREADS |
| AASB |
FASTENER LENGTH |
0.250 INCHES NOMINAL |
| TEST |
TEST DATA DOCUMENT |
81349-MIL-P-23199 SPECIFICATION |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
HEADLESS (SETSCREW) |
| SPCL |
SPECIAL TEST FEATURES |
SPECIAL QUALITY CONTROL TESTING |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| ASDB |
WIDTH ACROSS FLATS |
0.188 INCHES NOMINAL |
| MATT |
MATERIAL |
STEEL COMP 302 OVERALL OR STEEL COMP 303CU OVERALL OR STEEL COMP 303SE OVERALL OR STEEL COMP 303 PLUS X OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 302B OVERALL OR STEEL COMP 303PB OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| AASA |
THREAD LENGTH |
0.250 INCHES NOMINAL |