| NONMACHINE THREAD STYLE | DRIVE SCREW (TYPE U) |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.179 INCHES |
| FASTENER LENGTH | 0.469 INCHES MINIMUM AND |
| 0.531 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 410 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5504 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND |
| 45.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | ROUND |
| HEAD DIAMETER | 0.334 INCHES MINIMUM AND |
| 0.359 INCHES MAXIMUM |
| HEAD HEIGHT | 0.123 INCHES MINIMUM AND |
| 0.137 INCHES MAXIMUM |
| PILOT DIAMETER | 0.177 INCHES MINIMUM AND |
| 0.182 INCHES MAXIMUM |
| PILOT LENGTH | 0.469 INCHES MINIMUM AND |
| 0.531 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 0U583-AS3568 NATIONAL STD/SPEC |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,DRIVE,ROUND HEAD,TYPE U AMS5504(UNS S41000) |