| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 1.015 INCHES MINIMUM AND 1.035 INCHES MAXIMUM |
| GRIP LENGTH | 0.510 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | TITANIUM ALLOY OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| SHANK DIAMETER | 0.2696 INCHES MINIMUM AND 0.2701 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 95000 SINGLE POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | SOLID FILM AND CETYL ALCOHOL LUBRICATION |
| WIDTH BETWEEN FLATS | 0.095 INCHES MINIMUM AND 0.097 INCHES MAXIMUM |
| SURFACE TREATMENT | ANODIZE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TI-SHIELD 3,FSCM 73197 MFR REF SINGLE TREATMENT RESPONSE OR TIODIZE TYPE 2,FSCM 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 28 |