| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY TIN SURF. TREAT. 0.0002 IN. THK |
| FASTENER LENGTH | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD DIAMETER | 0.201 INCHES MINIMUM AND 0.213 INCHES MAXIMUM |
| HEAD HEIGHT | 0.051 INCHES MINIMUM AND 0.059 INCHES MAXIMUM |
| HEAD STYLE | BUTTON |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A493 UNS S30200,S30400,S30500,S31600,S38400 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.112 INCHES |
| NONDEFINITIVE SPEC/STD DATA | 8 TYPE |
| SPECIFICATION/STANDARD DATA | 81348-FF-S-86 GOVERNMENT SPECIFICATION |
| WIDTH ACROSS FLATS | 0.062 INCHES NOMINAL |
| SUPPLEMENTARY FEATURES | ELECT. APPL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OR MIL-T-10727,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | TIN OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD LENGTH | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNRC |
| THREAD QUANTITY PER INCH | 40 |