1045-00-143-2051 PIN,SEAR PIVOT Index 5305-00-143-2055 SCREW,SHOULDER

National Stock Number:
5305-00-143-2052

Federal Supply Class:
5305

National Item Identification Number:
001432052

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:
59A63A149-110001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
59A63A149-130003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
S9A63A149-127777L3 TECHNOLOGIES, INC.


Techincal Specification:
FASTENER LENGTH0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 431 OVERALL
NOMINAL THREAD DIAMETER0.125 INCHES
POINT CHAMFER ANGLE44.30 DEGREES MINIMUM AND 45.30 DEGREES MAXIMUM
POINT DIAMETER0.088 INCHES MINIMUM AND 0.090 INCHES MAXIMUM
POINT LENGTH0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM
POINT STYLEFLAT
SURFACE TREATMENTPASSIVATE OVERALL
THREAD LENGTH0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH40
WIDTH ACROSS FLATS0.063 INCHES MINIMUM AND 0.064 INCHES MAXIMUM


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