5306-01-215-1330 BOLT,MACHINE Index 5305-01-215-1332 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-215-1331

Federal Supply Class:
5306

National Item Identification Number:
012151331

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:
9518M22P0207482GENERAL ELECTRIC COMPANY
9518M22P020UCY9M.S. AEROSPACE INC.


Techincal Specification:
EXTENDED WASHER THICKNESS0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
FASTENER LENGTH3.240 INCHES MINIMUM AND 3.260 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH1.980 INCHES MINIMUM AND 2.020 INCHES MAXIMUM
HEAD HEIGHT0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATIONC50TF13 CL-B MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY 718 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURESREDUCED OD OF THREAD ALLOWED FOR THIS LENGTH 0.550MAX;O.45OMIN
WIDTH BETWEEN FLATS0.3125 INCHES NOMINAL
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES THREADS
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNJF


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