5305-01-004-6414 SCREW,CAP,SOCKET HEAD Index 5306-01-004-6416 BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5305-01-004-6415

Federal Supply Class:
5305

National Item Identification Number:
010046415

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:
51B234-60JRC1NORTHROP GRUMMAN TECHNICAL SERVICES, INC.
51B234-676823NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.310 INCHES MINIMUM AND
0.337 INCHES MAXIMUM
FASTENER LENGTH0.675 INCHES MINIMUM AND
0.722 INCHES MAXIMUM
MATERIALSTEEL COMP E4340 OR
STEEL COMP 4340 OR
STEEL COMP 8740 OR
STEEL COMP 6150 OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.451 INCHES MINIMUM AND
0.507 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
LOCKING FEATURESTRIP THREADS
SURFACE FINISH32.0 MICROINCHES GRIP
THE MANUFACTURERS DATA
MANUFACTURERS CODE76823
DESIGN CONTROL REFERENCE51B234-6


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