| MRC |
Requirement Statement |
Characteristics |
| ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS1189 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| AASB |
FASTENER LENGTH |
0.438 INCHES NOMINAL |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| AHYM |
NOMINAL THREAD DIAMETER |
0.164 INCHES |
| SFTT |
SURFACE TREATMENT |
CADMIUM AND CHROMATE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| MATT |
MATERIAL |
STEEL OVERALL |
| ZZZX |
DEPARTURE FROM CITED DESIGNATOR |
AS MOD BY FLEET BALLISTIC MISSILE QUALITY AS IDENTIFIED BY QUALITY CONTROL NO. POSO913452 |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASL |
HEAD DIAMETER |
0.270 INCHES MINIMUM AND 0.332 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.438 INCHES MINIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| CRSQ |
COUNTERSINK ANGLE |
100.0 DEGREES NOMINAL |
| AAUM |
LOCKING FEATURE |
PATCH OR STRIP THREADS |
