5305-01-210-3838 SCREW,MACHINE Index 5305-01-210-3840 SETSCREW

National Stock Number:
5305-01-210-3839

Federal Supply Class:
5305

National Item Identification Number:
012103839

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:
FF-S-20081348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS18065-5896906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1 STYLE
POINT STYLEFLAT
WIDTH ACROSS FLATS0.1562 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH24


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