| COUNTERSINK ANGLE | 90.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.535 INCHES MINIMUM AND 1.555 INCHES MAXIMUM |
| GRIP LENGTH | 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| HEAD MAJOR DIAMETER | 0.555 INCHES MINIMUM AND 0.560 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4971 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | TITANIUM ALLOY OVERALL |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| SHANK DIAMETER | 0.3730 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH BETWEEN FLATS | 0.158 INCHES MINIMUM AND 0.162 INCHES MAXIMUM |