| CYBE |
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-N-290,TY 5 FED SPEC SINGLE TREATMENT RESPONSE |
| CYBA |
SCREW SURFACE TREATMENT |
NICKEL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| AASL |
HEAD DIAMETER |
0.442 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| CYAU |
SCREW MATERIAL |
COPPER ALLOY 268 OR COPPER ALLOY 360 OR COPPER ALLOY 230 OR COPPER ALLOY 377 OR COPPER ALLOY 764 OR COPPER ALLOY 770 OR COPPER ALLOY 270 OR COPPER ALLOY 353 OR COPPER ALLOY 544 OR COPPER ALLOY 745 OR COPPER ALLOY 752 OR COPPER ALLOY 757 OR COPPER ALLOY 210 OR COPPER ALLOY 240 OR COPPER ALLOY 260 OR COPPER ALLOY 274 OR COPPER ALLOY 342 OR COPPER ALLOY 794 |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
3 TYPE AND 3C STYLE |
| AASB |
FASTENER LENGTH |
0.390 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
2A |
| CQBC |
MINIMUM TENSILE STRENGTH |
55000 POUNDS PER SQUARE INCH |
| AASA |
THREAD LENGTH |
0.319 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |