5306-01-264-5840 BOLT,MACHINE Index 5305-01-264-5842 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-264-5841

Federal Supply Class:
5306

National Item Identification Number:
012645841

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:
NAS501-4H47A80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
FASTENER LENGTH4.890 INCHES MINIMUM AND 4.937 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH4.422 INCHES MINIMUM AND 4.454 INCHES MAXIMUM
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
HEAD STYLEHEXAGON
HOLE CONFIGURATION STYLEHEXAGON FLATS
HOLE DIAMETER0.036 INCHES MINIMUM AND 0.056 INCHES MAXIMUM
HOLE QUANTITY1
HOLE TYPEDRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 CLASS 8 TYPE A FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 347 OR STEEL COMP 321 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIFICATION/STANDARD DATA80205-NAS501 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.436 INCHES MINIMUM AND 0.515 INCHES MAXIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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