4320-00-857-8248 PUMP,ROTARY Index 5325-00-857-8252 INSERT,SCREW THREAD

National Stock Number:
5305-00-857-8250

Federal Supply Class:
5305

National Item Identification Number:
008578250

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:
LL35458-13M03038LONG-LOK, LLC


Techincal Specification:
FASTENER LENGTH0.750 INCHES NOMINAL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.313 INCHES NOMINAL
HEAD HEIGHT0.190 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH130000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
WIDTH ACROSS FLATS0.158 INCHES NOMINAL
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.281 INCHES MINIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32


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