| MRC |
Requirement Statement |
Characteristics |
| CYAU |
SCREW MATERIAL |
STEEL COMP 8630 |
| AASL |
HEAD DIAMETER |
0.447 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| AASB |
FASTENER LENGTH |
2.500 INCHES NOMINAL |
| AAJD |
THREAD CLASS |
3A |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AASA |
THREAD LENGTH |
1.750 INCHES MINIMUM |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CQFM |
HARDNESS RATING |
26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| CYBA |
SCREW SURFACE TREATMENT |
CADMIUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
125000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CYAW |
SCREW MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR AN-S-9 MIL STD SINGLE MATERIAL RESPONSE |
| CYBE |
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE |
