| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| MATT |
MATERIAL |
STEEL OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.138 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| CXCY |
PART NAME ASSIGNED BY CONTROLLING AGENCY |
SCREW CAP SOCKET HEAD UNDRILLED AND DRILLED PLAIN AND SELF LOCKING ALLOY STEEL CORROSION RESISTANT STEEL AND HEAT RESISTANT STEEL UNRF-3A |
| THSD |
THREAD SERIES DESIGNATOR |
UNRF |
| ASDB |
WIDTH ACROSS FLATS |
0.109 INCHES MINIMUM AND 0.111 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
| AASA |
THREAD LENGTH |
0.216 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CMLP |
THREAD QUANTITY PER INCH |
40 |
