MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | 96906 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 1.500 INCHES MINIMUM |
FASTENER LENGTH | 2.125 INCHES MINIMUM AND 2.375 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
HEAD HEIGHT | 0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.906 INCHES MINIMUM AND 0.937 INCHES MAXIMUM |
NOMINAL THREAD DIAMETER | 0.625 INCHES |
GRIP LENGTH | 0.625 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
FEATURES PROVIDED | FINISHED HEAD |
THREAD QUANTITY PER INCH | 11 |
MINIMUM TENSILE STRENGTH | 75000 POUNDS PER SQUARE INCH |
MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH |
MATERIAL | STEEL COMP 302 OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 310 OVERALL OR STEEL COMP 316 OVERALL OR STEEL COMP 303 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | PASSIVATE OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
THREAD SERIES DESIGNATOR | UNC |
STYLE DESIGNATOR | J163 SHOULDER |
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of .19 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of . 15 inch ( . 38 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE. |