5305-00-040-9447 SCREW,CLOSE TOLERANCE Index 1680-00-040-9451 CYLINDER ASSY,EXTER

National Stock Number:
5305-00-040-9449

Federal Supply Class:
5305

National Item Identification Number:
000409449

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:
106830-5D2950392SPS TECHNOLOGIES INC
106830-5D2956878SPS TECHNOLOGIES, LLC
11905-5D2959563REID PRODUCTS INC.
BM19019-5D2997928HUCK INTL INC
HT295-5D2973197HI-SHEAR CORPORATION
HT295-5D29L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
HT8140-5D2906950HOWMET GLOBAL FASTENING SYSTEMS INC
HT8140-5D2992215HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M454-5D2906950HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M454-5D290PTK6SPS TECHNOLOGIES INC
ST3M454-5D2917446HUCK INTERNATIONAL, INC
ST3M454-5D2976301THE BOEING COMPANY
ST3M454-5D2980539SPS TECHNOLOGIES, LLC
ST3M454-5D29K5673SPS TECHNOLOGIES LTD TJ BROOKS DIVISION


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER2.186 INCHES MAXIMUM FIRST HOLE
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH2.263 INCHES MINIMUM AND 2.310 INCHES MAXIMUM
GRIP DIAMETER0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM
GRIP LENGTH1.802 INCHES MINIMUM AND 1.822 INCHES MAXIMUM
HEAD DIAMETER0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIALSTEEL CORROSION RESISTING OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.312 INCHES
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE
SPECIFICATION/STANDARD DATA08524-B-19019 MANUFACTURERS STANDARD
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNJF


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