5305-01-584-7692 SCREW,CLOSE TOLERANCE Index 5305-01-584-7803 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-584-7762

Federal Supply Class:
5305

National Item Identification Number:
015847762

Description:
SCREW,CLOSE TOLERANCE

Detail:
A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
120-225C08-1097499BELL TEXTRON INC
120-225C08R1006725SPS TECHNOLOGIES, LLC
120-225C08R100K6Z0SATURN FASTENERS INC
120-225C08R100ZC92HEARTLAND PRECISION FASTENERS INC
120-225C08R101EM77B & B SPECIALTIES INC
120-225C08R101ER653-V FASTENER CO., INC.
120-225C08R101GP79PILGRIM SCREW CORP
120-225C08R1027624SPS TECHNOLOGIES LLC
120-225C08R1047253PILGRIM SCREW CORPORATION
120-225C08R1056878SPS TECHNOLOGIES, LLC
120-225C08R1058998FASTENER INNOVATION TECHNOLOGY, INC.
120-225C08R1062206B & B SPECIALTIES INC
120-225C08R1062384LFC INDUSTRIES INC.
120-225C08R1080539SPS TECHNOLOGIES, LLC
120-225C08R1097499BELL TEXTRON INC


Techincal Specification:
EXTENDED WASHER THICKNESS0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.375 INCHES NOMINAL
FASTENER LENGTH0.656 INCHES NOMINAL
GRIP DIAMETER0.162 INCHES MINIMUM AND 0.163 INCHES MAXIMUM
GRIP LENGTH0.219 INCHES NOMINAL
HEAD DIAMETER0.312 INCHES NOMINAL
HEAD HEIGHT0.082 INCHES MINIMUM AND 0.092 INCHES MAXIMUM
HEAD STYLEROUND EXTENDED WASHER
INTERNAL DRIVE STYLECROSS RECESS TYPE II
MATERIALSTEEL CORROSION RESISTING OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW WASHER HEAD CLOSE TOLERANCE
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.164 INCHES
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.437 INCHES NOMINAL
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNJC


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