5305-00-579-5516 THUMBSCREW Index 5305-00-579-5528 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-00-579-5518

Federal Supply Class:
5305

National Item Identification Number:
005795518

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
4447811599TRIUMPH ENGINE CONTROL SYSTEMS LLC


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH2.875 INCHES MINIMUM
FASTENER LENGTH2.906 INCHES MAXIMUM
MATERIALSTEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND
40.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.438 INCHES NOMINAL
HEAD HEIGHT0.312 INCHES NOMINAL
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.221 INCHES NOMINAL
HOLE CONFIGURATION STYLEROUND LONGITUDINAL HOLE
HOLE TYPEDRILLED
HOLE QUANTITY2
HOLE DIAMETER0.064 INCHES NOMINAL
THE MANUFACTURERS DATA
MANUFACTURERS CODE11599
DESIGN CONTROL REFERENCE44478


Click here to Register for Free 30-day Trial