5305-01-524-1515 SCREW,CAP,SOCKET HEAD Index 1680-01-524-1517 TUBE ASSEMBLY,AIRCR

National Stock Number:
5305-01-524-1516

Federal Supply Class:
5305

National Item Identification Number:
015241516

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:
120-225-3-1797499BELL TEXTRON INC
120-225-3R1706725SPS TECHNOLOGIES, LLC
120-225-3R170K6Z0SATURN FASTENERS INC
120-225-3R170ZC92HEARTLAND PRECISION FASTENERS INC
120-225-3R171EM77B & B SPECIALTIES INC
120-225-3R171ER653-V FASTENER CO., INC.
120-225-3R171GP79PILGRIM SCREW CORP
120-225-3R1727624SPS TECHNOLOGIES LLC
120-225-3R1747253PILGRIM SCREW CORPORATION
120-225-3R1756878SPS TECHNOLOGIES, LLC
120-225-3R1758998FASTENER INNOVATION TECHNOLOGY, INC.
120-225-3R1762206B & B SPECIALTIES INC
120-225-3R1762384LFC INDUSTRIES INC.
120-225-3R1780539SPS TECHNOLOGIES, LLC
120-225-3R1797499BELL TEXTRON INC


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONAGAV
EXTENDED WASHER DIAMETER0.437 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.027 INCHES NOMINAL
FASTENER LENGTH1.188 INCHES NOMINAL
GRIP LENGTH0.625 INCHES NOMINAL
GRIP DIAMETER0.189 INCHES NOMINAL
HEAD DIAMETER0.375 INCHES NOMINAL
HEAD HEIGHT0.094 INCHES NOMINAL
HEAD STYLEROUND EXTENDED WASHER
INTERNAL DRIVE STYLECRUCIFORM RIBBED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6415 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4340 OVERALL
MINIMUM TENSILE STRENGTH2000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, WASHER HEAD, CLOSE TOLERANCE, LONG THREAD, 95 KSI FSU
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TYPE 2, CLASS2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.430 INCHES NOMINAL
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNJF


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