5306-01-134-1962 BOLT,MACHINE Index 5306-01-134-1964 BOLT,MACHINE

National Stock Number:
5306-01-134-1963

Federal Supply Class:
5306

National Item Identification Number:
011341963

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:
218019050945MERCURY AEROSPACE FASTENERS INC
218019077445RTX CORPORATION
218019092215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
EXTENDED WASHER DIAMETER0.428 INCHES MINIMUM AND 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM0.448 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.060 INCHES MINIMUM AND 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM0.070 INCHES MAXIMUM
FASTENER LENGTH0.740 INCHES MINIMUM AND 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM0.760 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEADFINISHED HEAD
GRIP LENGTH0.115 INCHES MINIMUM AND 0.115 INCHES MINIMUM AND 0.206 INCHES MAXIMUM0.206 INCHES MAXIMUM
HEAD HEIGHT0.320 INCHES MINIMUM AND 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM0.340 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON W/HOLEDOUBLE HEXAGON W/HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 660 OVERALLIRON ALLOY 660 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES0.250 INCHES
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH32.0 MICROINCHES GRIP32.0 MICROINCHES GRIP
THREAD CLASS3A3A
THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
THREAD LENGTH0.534 INCHES MINIMUM AND 0.534 INCHES MINIMUM AND 0.645 INCHES MAXIMUM0.645 INCHES MAXIMUM
THREAD QUANTITY PER INCH2828
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF)
WIDTH BETWEEN FLATS0.305 INCHES MINIMUM AND 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM0.313 INCHES MAXIMUM


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