| FASTENER LENGTH | 0.09 INCHES MINIMUM AND 0.12 INCHES MAXIMUM |
| HEAD DIAMETER | 0.104 INCHES MINIMUM AND 0.118 INCHES MAXIMUM |
| HEAD HEIGHT | 0.058 INCHES MINIMUM AND 0.066 INCHES MAXIMUM |
| HEAD STYLE | PAN NO. 2 |
| INTERNAL DRIVE STYLE | SLOT |
| NOMINAL THREAD DIAMETER | 0.078125 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,MACHINE,FIL HD,CRES,1/64 UNC-2A |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | NO. 66 FED SPEC SINGLE MATERIAL RESPONSE |
| SCREW MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.09 INCHES MINIMUM AND 0.12 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 64 |
| THREAD SERIES DESIGNATOR | UNC |