5305-00-052-9142 SCREW,CAP,SOCKET HEAD Index 5306-00-052-9144 BOLT,MACHINE

National Stock Number:
5306-00-052-9143

Federal Supply Class:
5306

National Item Identification Number:
000529143

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:
A102-23E28548FABRICATION SPECIALTY INC
A102-23EK7766BRITISH STANDARDS INSTITUTION


Techincal Specification:
FASTENER LENGTH2.900 INCHES MINIMUM AND 2.940 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH2.371 INCHES MINIMUM AND 2.401 INCHES MAXIMUM
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH BETWEEN FLATS0.431 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.499 INCHES MINIMUM AND 0.569 INCHES MAXIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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