5305-01-124-5774 SCREW,CAP,SOCKET HEAD Index 5306-01-124-5776 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-124-5775

Federal Supply Class:
5305

National Item Identification Number:
011245775

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:
SS5242-178286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
FASTENER LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATURESTRIP THREADS
MATERIALSTEEL COMP 4137 OR STEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
POINT DIAMETER0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
POINT LENGTH0.320 INCHES NOMINAL
POINT STYLECHAMFER DOG
POINT CHAMFER ANGLE45.0 DEGREES NOMINAL
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 LENGTH0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNF
WIDTH ACROSS FLATS0.094 INCHES MINIMUM AND 0.095 INCHES MAXIMUM


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