| COUNTERSINK ANGLE | 37.0 DEGREES NOMINAL |
| FASTENER LENGTH | 1.573 INCHES MINIMUM AND 1.593 INCHES MAXIMUM |
| GRIP LENGTH | 1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.3898 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM |
| HEAD STYLE | CROWN COUTERSUNK GREATER THAN 135 DEGREES |
| LUBRICATION | SOLID FILM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| SHANK DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| SHEAR STRENGTH | 9300 DOUBLE POUNDS PER SQUARE INCH |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SPECIAL FEATURES | HI KOTE 2 SOLID FILM LUBE PER HI-SHEAR SPEC. 292 AND CETYL ALCOHOL LUBE PER HI-SHEAR SPEC. 305 |
| SPECIFICATION/STANDARD DATA | 73197-HLT311TA-8-19 MANUFACTURERS STANDARD |
| WIDTH BETWEEN FLATS | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM |
| SURFACE TREATMENT | ANODIZE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TI-SHIELD III MFR REF ALL TREATMENT RESPONSES OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 28 |