| FASTENER LENGTH | 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| HARDNESS RATING | 36.0 ROCKWELL C NOMINAL AND 40.0 ROCKWELL C NOMINAL |
| HEAD STYLE | FLAT COUNTERSUNK |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE |
| SPECIAL FEATURES | GMAKE FROM NAS1102-4-5 |
| SPECIFICATION/STANDARD DATA | 80205-NAS1102 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.104 INCHES MINIMUM AND 0.206 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |