5305-00-522-9476 SCREW,CLOSE TOLERANCE Index 5995-00-522-9488 LEAD,ELECTRICAL

National Stock Number:
5305-00-522-9479

Federal Supply Class:
5305

National Item Identification Number:
005229479

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:
11907-6L659563REID PRODUCTS INC.
4024L6-656878SPS TECHNOLOGIES, LLC
HT4024L6-606950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4024L6-617446HUCK INTERNATIONAL, INC
HT4024L6-656878SPS TECHNOLOGIES, LLC
4024L6-692215HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M455-6L60PTK6SPS TECHNOLOGIES INC
ST3M455-6L627970PANAMETRICS LLC
HT4024L6-673197HI-SHEAR CORPORATION
ST3M455-6L676301THE BOEING COMPANY
ST3M455-6L692215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4024L6-692215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4024L6-697928HUCK INTL INC
HT4024L6-6L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
ST3M455-6L6K5673SPS TECHNOLOGIES LTD TJ BROOKS DIVISION


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.001 INCHES MINIMUM AND 1.031 INCHES MAXIMUM
GRIP DIAMETER0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM
GRIP LENGTH0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
HEAD DIAMETER0.510 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.616 INCHES MINIMUM AND 0.666 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNJF


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