5305-00-639-6238 SCREW,MACHINE Index 5310-00-639-6244 WASHER,SHOULDERED

National Stock Number:
5305-00-639-6240

Federal Supply Class:
5305

National Item Identification Number:
006396240

Description:
SETSCREW

Detail:
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
1-72X1-1656878SPS TECHNOLOGIES, LLC
172X1-1656878SPS TECHNOLOGIES, LLC
FFS21081348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
S7351261CONTRAVES INC


Techincal Specification:
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY THREAD SIZE AND SERIES/TYPE DESIGNATOR
FASTENER LENGTH0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM
FEATURES PROVIDEDCASEHARDENED
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.073 INCHES
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 1 STYLE
POINT STYLEFLAT
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.062 INCHES MAXIMUM
THREAD QUANTITY PER INCH72
THREAD SERIES DESIGNATORUNF


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