| FASTENER LENGTH | 0.635 INCHES MINIMUM AND 0.655 INCHES MAXIMUM |
| GRIP LENGTH | 0.255 INCHES MAXIMUM |
| HEAD HEIGHT | 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM |
| HEAD STYLE | ERR-090 |
| HEAD MAJOR DIAMETER | 0.387 INCHES MINIMUM AND 0.412 INCHES MAXIMUM |
| LUBRICATION | CETYL ALCOHOL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP XM-13 OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| SHANK DIAMETER | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| SHEAR STRENGTH | 125000 SINGLE POUNDS PER SQUARE INCH |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| WIDTH BETWEEN FLATS | 0.095 INCHES MINIMUM AND 0.097 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 258,FSCM 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNJF |