5305-01-458-1680 SCREW,CLOSE TOLERANCE Index 5962-01-458-1682 MICROCIRCUIT,MEMORY

National Stock Number:
5305-01-458-1681

Federal Supply Class:
5305

National Item Identification Number:
014581681

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:
AN565EC428H1088044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
FF-S-20081348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
FASTENER LENGTH0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONFED-STD66 300 SERIES FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
POINT STYLEHALF DOG
WIDTH ACROSS FLATS0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.562 INCHES NOMINAL
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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