| CQFM |
HARDNESS RATING |
70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| CYAW |
SCREW MATERIAL DOCUMENT AND CLASSIFICATION |
81343-SAE J429,GRADE 1 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A307 ASSN STD SINGLE MATERIAL RESPONSE |
| AASB |
FASTENER LENGTH |
0.312 INCHES NOMINAL |
| AASU |
HEAD HEIGHT |
0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| CYAU |
SCREW MATERIAL |
STEEL |
| AATB |
WIDTH BETWEEN FLATS |
0.234 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
SQUARE |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CQBC |
MINIMUM TENSILE STRENGTH |
60000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.164 INCHES |
| CYBE |
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES |
| CYBA |
SCREW SURFACE TREATMENT |
CADMIUM AND CHROMATE |
| ZZZW |
DEPARTURE FROM CITED DOCUMENT |
AS MODIFIED BY SLOTTED HEAD INTERNAL WRENCHING |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| ZZZK |
SPECIFICATION/STANDARD DATA |
81348-FF-B-575 GOVERNMENT SPECIFICATION |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
1 TYPE AND 8-32UNC SIZE AND 5/16IN. LENGTH |
| AASA |
THREAD LENGTH |
0.312 INCHES MAXIMUM |