3110-00-159-0921 BEARING,ROLLER,CYLINDRICAL Index 5305-00-159-0923 SCREW,CLOSE TOLERANCE

National Stock Number:
5306-00-159-0922

Federal Supply Class:
5306

National Item Identification Number:
001590922

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:
4024T68P1799207GENERAL ELECTRIC COMPANY


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONFEAT
EXTENDED WASHER DIAMETER0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
FASTENER LENGTH0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
HEAD HEIGHT0.248 INCHES MINIMUM AND 0.268 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON W/HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONC50TF13 CL-A FSCM 99207 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
SPECIAL FEATURESTHIS ITEM HAS CRITICAL FEATURE(S) SUCH AS TOLERANCE, FIT RESTRICTION OR APPLICATION. ACTION ID 45398741
WIDTH BETWEEN FLATS0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH32.0 MICROINCHES THREADS
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.553 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)


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