5305-00-132-6869 SCREW,CAP,SOCKET HEAD Index 5306-00-132-6871 BOLT,MACHINE

National Stock Number:
5305-00-132-6870

Federal Supply Class:
5305

National Item Identification Number:
001326870

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:
65370-04137-10178286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
FASTENER LENGTH1.427 INCHES MINIMUM AND 1.447 INCHES MAXIMUM
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
HEAD STYLEHEXAGON
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
POINT LENGTH0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
POINT STYLEBALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.117 INCHES MINIMUM AND 1.207 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28
WIDTH BETWEEN FLATS0.304 INCHES MINIMUM AND 0.316 INCHES MAXIMUM


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