| CRTL |
CRITICALITY CODE JUSTIFICATION |
ZZZW |
| CQHQ |
MINIMUM YIELD STRENGTH |
30000 POUNDS PER SQUARE INCH |
| SFTT |
SURFACE TREATMENT |
CHROMIUM THREADS |
| ZZZX |
DEPARTURE FROM CITED DESIGNATOR |
AS MODIFIED BY THD CLASS AND FINISH |
| AASL |
HEAD DIAMETER |
0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
80000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| TEST |
TEST DATA DOCUMENT |
81349-MIL-P-23199 SPECIFICATION |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| MATT |
MATERIAL |
STEEL COMP 302 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 316 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 384 OVERALL OR STEEL COMP XM-7 OVERALL |
| AASB |
FASTENER LENGTH |
0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
80.0 ROCKWELL B MINIMUM OVERALL |
| SPCL |
SPECIAL TEST FEATURES |
SPECIAL QUALITY CONTROL TESTING |
| ZZZW |
DEPARTURE FROM CITED DOCUMENT |
MATERIAL MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
6 TYPE |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| ASDB |
WIDTH ACROSS FLATS |
0.188 INCHES NOMINAL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE THREADS |
| AASA |
THREAD LENGTH |
0.634 INCHES MINIMUM AND 0.766 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |