5360-00-040-9514 SPRING,HELICAL,EXTENSION Index 5305-00-040-9517 SCREW,MACHINE

National Stock Number:
5305-00-040-9516

Federal Supply Class:
5305

National Item Identification Number:
000409516

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:
109454-3-750392SPS TECHNOLOGIES INC
109454-3-756878SPS TECHNOLOGIES, LLC
11907-3-759563REID PRODUCTS INC.
BM19021-3-717446HUCK INTERNATIONAL, INC
BM19021-3-797928HUCK INTL INC
HT291-3-773197HI-SHEAR CORPORATION
HT291-3-7C4293ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH
HT291-3-7L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
HT291-3-7R1120SATAIR A/S
HT8141-3-792215HOWMET GLOBAL FASTENING SYSTEMS INC
HT8141-3-7C4293ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH
ST3M455-3-776301THE BOEING COMPANY


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH0.754 INCHES MINIMUM AND 0.784 INCHES MAXIMUM
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
GRIP LENGTH0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
HEAD DIAMETER0.266 INCHES MINIMUM AND 0.303 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATION23-112,76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
SPECIFICATION/STANDARD DATA08524-B-19021 MANUFACTURERS STANDARD
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.306 INCHES MINIMUM AND 0.356 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNJF


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