| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.385 INCHES MINIMUM AND 1.410 INCHES MAXIMUM |
| HEAD HEIGHT | 0.063 INCHES NOMINAL |
| HEAD STYLE | FLUSH COUNTERSUNK |
| HEAD MAJOR DIAMETER | 0.377 INCHES MINIMUM AND 0.426 INCHES MAXIMUM |
| LUBRICATION | DRY FILM AND CETYL ALCOHOL |
| MATERIAL DOCUMENT AND CLASSIFICATION | PH13-8MO MARTENSITIC PRECIPITATION HARDENING STAINLESS STEEL (UNS S13800) PER AMS5629 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | FASTENER,SHEAR,100 DEG STANDARD FLUSH HEAD,TAPERED SHANK(TS),95 KSI FSU,108 KSI FSU,110 KSI FSU,125 KSI FSU,132 KSI FSU,156 KSI FSU |
| NOMINAL THREAD SIZE | 0.2500 INCHES |
| SHANK DIAMETER | 0.2754 INCHES NOMINAL |
| SHANK STYLE | PIN-RIVET, TAPERED, THREADED |
| SHEAR STRENGTH | 125000 SINGLE POUNDS PER SQUARE INCH |
| SPECIFICATION/STANDARD DATA | 80205-NAS1724 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700 METHOD 1, CLASS 4 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| TIP DIAMETER | 0.2564 INCHES NOMINAL |
| SPECIAL FEATURES | SURFACE ROUGHNESS:TAPER SHANK: 32 MICROINCHES RA;ALL OTHER SURFACES:125 MICROINCHES RA PER ASME B46.1 |