5930-00-804-9397 SWITCH,PRESSURE Index 1560-00-804-9405 COVER,ACCESS

National Stock Number:
5306-00-804-9399

Federal Supply Class:
5306

National Item Identification Number:
008049399

Description:
BOLT,MACHINE

Detail:
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 0.190 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 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.


Manufacturer Information:
90444-62580020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2


Techincal Specification:
FASTENER LENGTH3.125 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH2.000 INCHES NOMINAL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758, COND C OR D MIL SPEC SINGLE MATERIAL RESPONSE OR AMS 6348 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4140 OVERALL
MINIMUM TENSILE STRENGTH120000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.750 INCHES
WIDTH BETWEEN FLATS1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.125 INCHES MINIMUM
THREAD QUANTITY PER INCH10
THREAD SERIES DESIGNATORUNRC


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