5305-00-272-7411 SCREW,CAP,SOCKET HEAD Index 5985-00-272-7451 ATTENUATOR,VARIABLE

National Stock Number:
5305-00-272-7431

Federal Supply Class:
5305

National Item Identification Number:
002727431

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:
193236PC510001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
FASTENER LENGTH0.570 INCHES MINIMUM AND 0.580 INCHES MAXIMUM
HARDNESS RATING37.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.337 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
HEAD HEIGHT0.200 INCHES MINIMUM AND 0.205 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.216 INCHES
WIDTH ACROSS FLATS0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM
SURFACE TREATMENTZINC OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.570 INCHES MINIMUM AND 0.580 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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