DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.632 INCHES MINIMUM AND 0.642 INCHES MAXIMUM FIRST HOLE |
COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
FASTENER LENGTH | 0.738 INCHES MINIMUM AND 0.768 INCHES MAXIMUM |
GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
GRIP LENGTH | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
HEAD DIAMETER | 0.362 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
HEAD STYLE | FLAT COUNTERSUNK |
INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP 4130 OVERALL |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE |
THREAD LENGTH | 0.290 INCHES MINIMUM AND 0.340 INCHES MAXIMUM |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD QUANTITY PER INCH | 28 |