5305-00-137-3288 SCREW Index 5305-00-137-3291 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-137-3290

Federal Supply Class:
5305

National Item Identification Number:
001373290

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:
38031L96C656878SPS TECHNOLOGIES, LLC
861090-8106481NORTHROP GRUMMAN SYSTEMS CORPORATION
861090-8113973LITTON SYSTEMS INC. DIV NAVIGATION SYSTEMS DIVISION


Techincal Specification:
FASTENER LENGTH0.219 INCHES MINIMUM AND 0.391 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.250 INCHES MINIMUM AND 0.262 INCHES MAXIMUM
HEAD HEIGHT0.063 INCHES MINIMUM AND 0.073 INCHES MAXIMUM
HEAD STYLEBUTTON
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPELLET THREADS
MATERIALSTEEL OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.138 INCHES
WIDTH ACROSS FLATS0.078 INCHES NOMINAL
THREAD LENGTH0.157 INCHES MINIMUM AND 0.391 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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