EXTENDED WASHER THICKNESS | 0.090 INCHES MINIMUM AND 0.117 INCHES MAXIMUM |
EXTENDED WASHER DIAMETER | 0.805 INCHES MINIMUM AND 0.827 INCHES MAXIMUM |
FASTENER LENGTH | 1.975 INCHES MINIMUM AND 2.013 INCHES MAXIMUM |
FEATURES PROVIDED | HEX NUT AND WASHER |
HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM FASTENER |
HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM PRIMARY WASHER |
HEAD HEIGHT | 0.430 INCHES MINIMUM AND 0.480 INCHES MAXIMUM |
HEAD MINOR DIAMETER | 0.420 INCHES MINIMUM |
HEAD STYLE | SPLINE DRIVE SHEAR HEAD |
MATERIAL | STEEL COMP 1050 OR STEEL COMP 1053 OR STEEL COMP 1054 OR STEEL COMP 1055 OR STEEL COMP 1059 OR STEEL COMP 1060 PRIMARY WASHER |
MATERIAL | STEEL PROPERTY CLASS 8.8 FASTENER |
III PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,SPECIAL 12-PT TORQUE-OFF HEAD |
PROPRIETARY CHARACTERISTICS | PACS |
NOMINAL THREAD DIAMETER | 0.4375 INCHES |
SPECIAL FEATURES | NUT OVERALL HEIGHT: 0.272"-0.291", WIDTH BETWEEN FLATS: 0.698"-0.708"; FINISH: PHOSPHATE COATING, PLUS EVERLUBE 6102G AND HENKEL OIL 2945; 72 HOURS MINIMUM TO RED RUST |
WIDTH BETWEEN FLATS | 0.698 INCHES MINIMUM AND 0.708 INCHES MAXIMUM |
SURFACE TREATMENT | PHOSPHATE OVERALL |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 1.050 INCHES MINIMUM |
THREAD QUANTITY PER INCH | 20 |
THREAD SERIES DESIGNATOR | UNRF |