5310-00-208-6344 NUT,PLAIN,ROUND Index 5305-00-208-6348 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-208-6347

Federal Supply Class:
5305

National Item Identification Number:
002086347

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:
871591-0032345DEFENSE REDUCTION AGENCY
MS24694-S9780205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NK509-416R1002615NYLOK FASTENER CORP
NK509-416R1026233NYLOK LLC
NK509-416R1083526COLUMBUS ENGINEERING CORP


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY LOCKING FEATURE
FASTENER LENGTH0.656 INCHES NOMINAL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.447 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
LOCKING FEATUREPATCH OR STRIP THREADS
MATERIALSTEEL COMP 8630 OR STEEL COMP 4130 OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD LENGTH0.516 INCHES MINIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28


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