| CRITICALITY CODE JUSTIFICATION | SUPP |
| FASTENER LENGTH | 1.700 INCHES NOMINAL |
| GRIP LENGTH | 1.200 INCHES NOMINAL |
| HARDNESS RATING | 248.0 BRINELL STANDARD MINIMUM AND 302.0 BRINELL STANDARD MAXIMUM |
| HEAD HEIGHT | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL | STEEL OVERALL |
| III SUPPLEMENTARY FEATURES | FLIGHT SAFETY CRITICAL |
| MINIMUM TENSILE STRENGTH | 123200 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| WIDTH BETWEEN FLATS | 0.339 INCHES MINIMUM AND 0.344 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DTD 904 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.500 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNF |