5305-00-576-1478 SCREW,MACHINE Index 5306-00-576-1488 BOLT,SHEAR

National Stock Number:
5305-00-576-1482

Federal Supply Class:
5305

National Item Identification Number:
005761482

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:
2447158-50518355THE BOEING COMPANY
2447158-50588277THE BOEING COMPANY
60A52B78-50510001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
40164077948SINGER CO THE


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
FASTENER LENGTH3.125 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
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH ACROSS FLATS0.157 INCHES MINIMUM AND 0.159 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE HEAD
SURFACE TREATMENTPASSIVATE THREADS
SURFACE TREATMENTCHROMIUM GRIP
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.437 INCHES MINIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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