5306-00-142-4766 BOLT,SHOULDER Index 5306-00-142-4772 BOLT,MACHINE

National Stock Number:
5306-00-142-4767

Federal Supply Class:
5306

National Item Identification Number:
001424767

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:
NAS501-4-35A80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH3.640 INCHES MINIMUM AND
3.687 INCHES MAXIMUM
MATERIALSTEEL COMP 321 OR
STEEL COMP 347 OVERALL
THREAD LENGTH0.436 INCHES MINIMUM AND
0.515 INCHES MAXIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
HEAD HEIGHT0.140 INCHES MINIMUM AND
0.172 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND
0.440 INCHES MAXIMUM
GRIP LENGTH3.172 INCHES MINIMUM AND
3.204 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD


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