5305-01-227-8674 SCREW,MACHINE Index 5305-01-227-8676 SETSCREW

National Stock Number:
5305-01-227-8675

Federal Supply Class:
5305

National Item Identification Number:
012278675

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:
1162158619207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
FASTENER LENGTH1.250 INCHES NOMINAL
HARDNESS RATING27.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLESLOT
MATERIALSTEEL OVERALL
POINT STYLEOVAL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURESTWO HOLES 90 DEGREES APART FROM SLOTTED END,0.156 IN. NOMINAL TO CENTER OF HOLE,0.062 IN. DIA OF HOLE,FINISH COLOR BLACK
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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