DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY SPECIAL FEATURES |
FASTENER LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
INTERNAL DRIVE STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL OVERALL |
NOMINAL THREAD DIAMETER | 0.190 INCHES |
POINT STYLE | CUP |
SPECIAL FEATURES | FLEET BALLISTIC MISSILE QUALITY AS IDENTIFIED BY QUALITY CONTROL NO. POSO912951 |
WIDTH ACROSS FLATS | 0.093 INCHES MINIMUM AND 0.094 INCHES MAXIMUM |
THREAD CLASS | 3A |
THREAD LENGTH | 0.500 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 32 |
THREAD SERIES DESIGNATOR | UNF |