5305-00-364-9540 SCREW,CLOSE TOLERANCE Index 5305-00-364-9543 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-00-364-9541

Federal Supply Class:
5305

National Item Identification Number:
003649541

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:
11905-3L2459563REID PRODUCTS INC.
HT4025L3-2406725SPS TECHNOLOGIES, LLC
HT4025L3-2406950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4025L3-2417446HUCK INTERNATIONAL, INC
HT4025L3-2427624SPS TECHNOLOGIES LLC
HT4025L3-2456878SPS TECHNOLOGIES, LLC
ST3M454-3L2406710VALLEY-TODECO, INC.
ST3M454-3L240ZC92HEARTLAND PRECISION FASTENERS INC
ST3M454-3L241VSL7HOUSTON PRECISION FASTENERS I LP
ST3M454-3L2458998FASTENER INNOVATION TECHNOLOGY, INC.
HT4025L3-2473197HI-SHEAR CORPORATION
HT4025L3-2492215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4025L3-2497928HUCK INTL INC
HT4025L3-24L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
ST3M454-3L2460516WEST COAST AEROSPACE, INC.
ST3M454-3L2476301THE BOEING COMPANY
ST3M454-3L2480539SPS TECHNOLOGIES, LLC
ST3M454-3L24K5673SPS TECHNOLOGIES LTD TJ BROOKS DIVISION


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.891 INCHES MINIMUM AND 1.921 INCHES MAXIMUM
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
GRIP LENGTH1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM
HEAD DIAMETER0.376 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATION23-112 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32


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