5305-00-987-9642 SCREW,CAP,SOCKET HEAD Index 5305-00-987-9644 SCREW,MACHINE

National Stock Number:
5305-00-987-9643

Federal Supply Class:
5305

National Item Identification Number:
009879643

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:
2-060-185-0199193HONEYWELL INTERNATIONAL INC.


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONFEAT
FASTENER LENGTH0.862 INCHES MINIMUM AND 0.888 INCHES MAXIMUM
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
POINT STYLEFLAT
SPECIAL FEATURES0.195 IN. MIN,0.200 IN MAX DIA UNTHD PORTION,0.210 IN. MIN,0.230 IN. MAX LG UNTHD PORTION
WIDTH ACROSS FLATS0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.632 INCHES MINIMUM AND 0.678 INCHES MAXIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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