5305-01-101-6033 SCREW,CLOSE TOLERANCE Index 5305-01-101-6035 SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-101-6034

Federal Supply Class:
5305

National Item Identification Number:
011016034

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:
11883-6L959563REID PRODUCTS INC.
3M926-6L958998FASTENER INNOVATION TECHNOLOGY, INC.
HT4068-6-9A06950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4068-6-9A17446HUCK INTERNATIONAL, INC
3M926-6L960516WEST COAST AEROSPACE, INC.
3M926-6L976301THE BOEING COMPANY
HT4068-6-9A56878SPS TECHNOLOGIES, LLC
HT4068-6L956878SPS TECHNOLOGIES, LLC
HT4068-6-9A73197HI-SHEAR CORPORATION
HT4068-6-9A80539SPS TECHNOLOGIES, LLC
HT4068-6-9A92215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4068-6-9A97928HUCK INTL INC
HT4068-6-9AK5673SPS TECHNOLOGIES LTD TJ BROOKS DIVISION
HT4068-6-9AL4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
HT4068-6L973197HI-SHEAR CORPORATION
HT4068-6L980539SPS TECHNOLOGIES, LLC
HT4068-6L992215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4068-6L997928HUCK INTL INC


Techincal Specification:
COUNTERSINK ANGLE101.0 DEGREES NOMINAL
FASTENER LENGTH1.188 INCHES MINIMUM AND 1.218 INCHES MAXIMUM
GRIP LENGTH0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
GRIP DIAMETER0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM
HEAD DIAMETER0.510 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.616 INCHES MINIMUM AND 0.666 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH24


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