| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| HEAD DIAMETER | 0.371 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,MACHINE |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | ITEM IS FAA CERTIFIED |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6050 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6300 ASSN STD 2ND MATERIAL RESPONSE |
| SCREW MATERIAL | STEEL COMP 8630 OR STEEL COMP 4037 |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY 1, CL 3 FED SPEC SINGLE TREATMENT RESPONSE |
| SCREW SURFACE TREATMENT | CADMIUM |
| THREAD LENGTH | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNF |