1680-01-530-2434 CLAMP(1),RECTANGULA Index 4730-01-530-2436 UNION,PIPE

National Stock Number:
5305-01-530-2435

Federal Supply Class:
5305

National Item Identification Number:
015302435

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:
120-225C08-0806725SPS TECHNOLOGIES, LLC
120-225C08-080K6Z0SATURN FASTENERS INC
120-225C08-080ZC92HEARTLAND PRECISION FASTENERS INC
120-225C08-081EM77B & B SPECIALTIES INC
120-225C08-081ER653-V FASTENER CO., INC.
120-225C08-0827624SPS TECHNOLOGIES LLC
120-225C08-0856878SPS TECHNOLOGIES, LLC
120-225C08-0858998FASTENER INNOVATION TECHNOLOGY, INC.
120-225C08-0862206B & B SPECIALTIES INC
120-225C08-0862384LFC INDUSTRIES INC.
120-225C08-0897499BELL TEXTRON INC
120-225C08R08P06725SPS TECHNOLOGIES, LLC
120-225C08R08P0K6Z0SATURN FASTENERS INC
120-225C08R08P0ZC92HEARTLAND PRECISION FASTENERS INC
120-225C08R08P1EM77B & B SPECIALTIES INC
120-225C08R08P1ER653-V FASTENER CO., INC.
120-225C08R08P27624SPS TECHNOLOGIES LLC
120-225C08R08P56878SPS TECHNOLOGIES, LLC
120-225C08R08P62206B & B SPECIALTIES INC
120-225C08R08P62384LFC INDUSTRIES INC.
120-225C08R08P97499BELL TEXTRON INC


Techincal Specification:
EXTENDED WASHER DIAMETER0.375 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM
FASTENER LENGTH0.531 INCHES NOMINAL
GRIP DIAMETER0.312 INCHES NOMINAL
GRIP LENGTH0.531 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
MATERIAL DOCUMENT AND CLASSIFICATIONA286 PER THE CHEMISTRY OF AMS 5731, AMS 5732, AMS 5732, AMS 5737, OR AMS 5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
MINIMUM TENSILE STRENGTH1425 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.164 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, WASHER HEAD, CLOSE TOLERANCE, LONG THRESD, 95 KSI
POINT DIAMETER0.163 INCHES NOMINAL
POINT STYLEFLAT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.437 INCHES NOMINAL
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNJC


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