5305-01-081-2477 SCREW,CAP,SOCKET HEAD Index 5305-01-081-2479 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-081-2478

Federal Supply Class:
5305

National Item Identification Number:
010812478

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:
3176207-C-37110001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
3176207C371D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH


Techincal Specification:
FASTENER LENGTH2.750 INCHES NOMINAL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER1.107 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
HEAD HEIGHT0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPATCH THREADS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH170000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.750 INCHES
SPECIAL FEATURESCRITICAL ITEM HYDROGEN EMBRITTLEMENT RELIEF REQUIRED
WIDTH ACROSS FLATS0.625 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH2.000 INCHES MINIMUM
THREAD QUANTITY PER INCH10
THREAD SERIES DESIGNATORUNC


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