5305-01-587-3187 SCREW,MACHINE Index 5305-01-587-3820 SCREW,TAPPING

National Stock Number:
5305-01-587-3740

Federal Supply Class:
5305

National Item Identification Number:
015873740

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:
38180800Y3H3FASTENAL COMPANY
381808045152OSHKOSH CORP
381808075Q65OSHKOSH DEFENSE LLC


Techincal Specification:
FASTENER LENGTH0.750 INCHES NOMINAL
HEAD DIAMETER0.419 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
HEAD HEIGHT0.122 INCHES MINIMUM AND 0.132 INCHES MAXIMUM
HEAD STYLEOVAL
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
III PART NAME ASSIGNED BY CONTROLLING AGENCYSCR, BTN, SOC .25-20 X .75 NS DA
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH ACROSS FLATS0.160 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.750 INCHES NOMINAL
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNC


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