| MRC |
Requirement Statement |
Characteristics |
| ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS1220 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AASA |
THREAD LENGTH |
0.220 INCHES MINIMUM AND 0.358 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.461 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
248.0 BRINELL STANDARD MINIMUM AND 321.0 BRINELL STANDARD MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| AASB |
FASTENER LENGTH |
0.926 INCHES MINIMUM AND 0.973 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
| CYAU |
SCREW MATERIAL |
IRON ALLOY 660 |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| CYAW |
SCREW MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CQBC |
MINIMUM TENSILE STRENGTH |
150000 POUNDS PER SQUARE INCH |
| CYBA |
SCREW SURFACE TREATMENT |
CADMIUM AND CHROMATE |
| CYBE |
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES |
