| CRITICALITY CODE JUSTIFICATION | FEAT |
| FASTENER LENGTH | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM |
| GRIP LENGTH | 0.380 INCHES MAXIMUM |
| HARDNESS RATING | 44.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.068 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.475 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND DRY FILM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP XM-13 OVERALL |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| SPECIAL FEATURES | 0.138-32UNJC-3B THREADED CONCENTRIC HOLE ALONG THE LONGITUDINAL CENTERLINE OF HEAD END 0.300 IN. MIN,0.325 IN. MAX DP,0.120 IN. SLOT LG,0.060 IN. SLOT W LOCATED 0.150 IN. FROM TOP OF HEAD TO BEGINNING OF SLOT |
| SHANK DIAMETER | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 125000 SINGLE POUNDS PER SQUARE INCH |
| WIDTH BETWEEN FLATS | 0.1270 INCHES MINIMUM AND 0.1295 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 24 |