3950-00-774-3487 HOIST ASSEMBLY,TELESCOPING BARRE Index 2910-00-774-3501 SHAFT

National Stock Number:
5305-00-774-3499

Federal Supply Class:
5305

National Item Identification Number:
007743499

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.


Techincal Specification:
FASTENER LENGTH0.930 INCHES MINIMUM AND 0.950 INCHES MAXIMUM
FEATURES PROVIDEDCASEHARDENED
HEAD HEIGHT0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
HEAD STYLEHEXAGON
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1212 OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
POINT DIAMETER0.137 INCHES MINIMUM AND 0.143 INCHES MAXIMUM
POINT LENGTH0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM
POINT STYLEBALL
WIDTH BETWEEN FLATS0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.800 INCHES MINIMUM AND 0.840 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32


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