DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.250 INCHES MINIMUM AND 1.290 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 1.520 INCHES MINIMUM AND 1.560 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 2.360 INCHES MINIMUM AND 2.400 INCHES MAXIMUM |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 3 |
FASTENER LENGTH | 2.960 INCHES NOMINAL |
FIRST DIAMETER FROM HEAD | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
HARDNESS RATING | 79.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 83.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL |
HEAD HEIGHT | 0.190 INCHES NOMINAL |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | -3603,AVCO LYCOMING DIV MFR REF SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL CORROSION RESISTING OVERALL |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
SECOND DIAMETER FROM HEAD | 0.316 INCHES MINIMUM AND 0.319 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THIRD DIAMETER FROM HEAD | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
THREAD LENGTH | 0.560 INCHES MINIMUM AND 0.600 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 24 |
THREAD SERIES DESIGNATOR | UNJF |