4140-99-165-4157 GUARD,FAN IMPELLER 5355-99-165-4159 KNOB

National Stock Number:
5306-99-165-4158

Federal Supply Class:
5306

National Item Identification Number:
991654158

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:
092A1-003U9124MINISTRY OF DEFENCE, CODE RESERVED FOR THE USE OF UKNCB/CODIFICATION
AS571110U583SAE INTERNATIONAL
AS57111K0378ROLLS-ROYCE PLC
AS57111U1653SOCIETY OF BRITISH AEROSPACE COMPANI LTD SBAC


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