5306-00-655-7000 BOLT,MACHINE Index 5305-00-655-7009 SCREW,MACHINE

National Stock Number:
5305-00-655-7006

Federal Supply Class:
5305

National Item Identification Number:
006557006

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:
5398010KA73CONNECTICUT AIRCRAFT PRODUCTS INC
53980173030HAMILTON SUNDSTRAND CORPORATION


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.420 INCHES MINIMUM
FASTENER LENGTH0.480 INCHES NOMINAL
MATERIALSTEEL COMP 416SE OR
STEEL COMP 303 OR
STEEL COMP 303 PLUS X OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND
38.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.375 INCHES MINIMUM AND
0.380 INCHES MAXIMUM
HEAD HEIGHT0.075 INCHES MINIMUM AND
0.080 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.156 INCHES MINIMUM AND
0.158 INCHES MAXIMUM
THE MANUFACTURERS DATA
MANUFACTURERS CODE73030
DESIGN CONTROL REFERENCE539801


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