| CRITICALITY CODE JUSTIFICATION | FEAT |
| FASTENER LENGTH | 0.885 INCHES MINIMUM AND 0.905 INCHES MAXIMUM |
| GRIP LENGTH | 0.505 INCHES MAXIMUM |
| HARDNESS RATING | 44.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.387 INCHES MINIMUM AND 0.412 INCHES MAXIMUM |
| HEAD STYLE | ERR-090 |
| LUBRICATION | SOLID FILM OR CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP XM-13 OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| SPECIAL FEATURES | 6-32UNJC-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 0.344 IN FROM TOP OF HEAD TO BEGINNING OF SLOT |
| SHANK DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 125000 SINGLE POUNDS PER SQUARE INCH |
| WIDTH BETWEEN FLATS | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 28 |