| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.938 INCHES MINIMUM AND 2.000 INCHES MAXIMUM |
| HEAD DIAMETER | 0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| LOCKING FEATURE | PATCH |
| MINIMUM TENSILE STRENGTH | 60000 POUNDS PER SQUARE INCH |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,MACHINE |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AIR4127 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| SCREW MATERIAL | STEEL |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE 2 CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR MIL-C-81562, TYPE 2 CLASS 3 MIL SPEC 2ND TREATMENT RESPONSE |
| SCREW SURFACE TREATMENT | CADMIUM |
| SPECIFICATION/STANDARD DATA | NAS-35190 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.938 INCHES MINIMUM AND 2.000 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |