| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.4125 INCHES NOMINAL |
| GRIP LENGTH | 1.0625 INCHES NOMINAL |
| HEAD STYLE | FLUSH COUNTERSUNK |
| HEAD MAJOR DIAMETER | 0.4970 INCHES MINIMUM AND 0.5066 INCHES MAXIMUM |
| LUBRICATION | DRY FILM AND CETYL ALCOHOL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4928 NATIONAL STD/SPEC 1ST MATERIAL RESPONSE OR AMS 4967 NATIONAL STD/SPEC 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | TITANIUM OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PIN, RIVET, FLUTED THREADS - TENSION, 100 DEGREE COUNTERSUNK HEAD, HEX POINT DRIVE |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| SHANK DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD TOLERANCE CLASS | 3A EXTERNAL |
| WIDTH BETWEEN FLATS | 0.132 INCHES NOMINAL |