| MRC |
Requirement Statement |
Characteristics |
| AASA |
THREAD LENGTH |
0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
1 TYPE AND 2S STYLE |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| ZZZX |
DEPARTURE FROM CITED DESIGNATOR |
AS MODIFIED BY MATERIAL AND THREAD CLASS |
| CRSQ |
COUNTERSINK ANGLE |
80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| CYAW |
SCREW MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-N-281,CL A FED SPEC 1ST MATERIAL RESPONSE OR QQ-N-281,CL B FED SPEC 2ND MATERIAL RESPONSE |
| AASL |
HEAD DIAMETER |
0.340 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| AASB |
FASTENER LENGTH |
0.500 INCHES NOMINAL |
| CYAU |
SCREW MATERIAL |
NICKEL ALLOY 400 OR NICKEL ALLOY R-405 |
