| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 1.010 INCHES MINIMUM AND 1.030 INCHES MAXIMUM |
| GRIP LENGTH | 0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.555 INCHES MINIMUM AND 0.560 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| LUBRICATION | SOLID FILM AND CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| MATERIAL DOCUMENT AND CLASSIFICATION | M+35N SPS-M-573,CAGEC 56878 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| SHANK DIAMETER | 0.380 INCHES MINIMUM AND 0.381 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 132000 SINGLE POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | LF-31-35-8,SOLID FILM LUBRICANT WITH LIGHT BLUE IDENTIFICATION ON TOP OF HEAD |
| WIDTH BETWEEN FLATS | 0.158 INCHES MINIMUM AND 0.162 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |