5306-00-558-9241 BOLT,MACHINE Index 5360-00-558-9244 SPRING,HELICAL,COMPRESSION

National Stock Number:
5305-00-558-9243

Federal Supply Class:
5305

National Item Identification Number:
005589243

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
2447158-50318355THE BOEING COMPANY
2447158-50388277THE BOEING COMPANY


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
FASTENER LENGTH2.719 INCHES NOMINAL
HEAD DIAMETER0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 431 OVERALL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH ACROSS FLATS0.157 INCHES MINIMUM AND 0.159 INCHES MAXIMUM
SURFACE TREATMENTCHROMIUM GRIP
SURFACE TREATMENTPASSIVATE HEAD
SURFACE TREATMENTPASSIVATE THREADS
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.531 INCHES MINIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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