5305-01-102-5520 SCREW,CLOSE TOLERANCE Index 5305-01-102-5522 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-102-5521

Federal Supply Class:
5305

National Item Identification Number:
011025521

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:
11935-3-259563REID PRODUCTS INC.
11935-3L259563REID PRODUCTS INC.
HT4057-3-20PTK6SPS TECHNOLOGIES INC
HT4057-3-217446HUCK INTERNATIONAL, INC
HT4057-3-256878SPS TECHNOLOGIES, LLC
HT4057-3-258998FASTENER INNOVATION TECHNOLOGY, INC.
HT4057-3-260516WEST COAST AEROSPACE, INC.
HT4057-3-273197HI-SHEAR CORPORATION
HT4057-3-276301THE BOEING COMPANY
HT4057-3-280539SPS TECHNOLOGIES, LLC
HT4057-3-292215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4057-3-297928HUCK INTL INC
HT4057-3-2K5673SPS TECHNOLOGIES LTD TJ BROOKS DIVISION
HT4057-3-2L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
ST3M733-3L2007R1TWIST TITE MFG, INC
ST3M733-3L206710VALLEY-TODECO, INC.
HT4057-3-2A06950HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M733-3L20ZC92HEARTLAND PRECISION FASTENERS INC
ST3M733-3L21VSL7HOUSTON PRECISION FASTENERS I LP
WC4057-3-260516WEST COAST AEROSPACE, INC.
HT4057-3-2A73197HI-SHEAR CORPORATION
ST3M733-3L276301THE BOEING COMPANY
ST3M733-3-276301THE BOEING COMPANY
HT4057-3-2A80539SPS TECHNOLOGIES, LLC
HT4057-3-2A92215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4057-3-2A97928HUCK INTL INC


Techincal Specification:
THREAD SERIES DESIGNATORUNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.381 INCHES MINIMUM AND
0.431 INCHES MAXIMUM
FASTENER LENGTH0.516 INCHES MINIMUM AND
0.546 INCHES MAXIMUM
MATERIALSTEEL COMP XM-13 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTALUMINUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-83488 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.338 INCHES MINIMUM AND
0.381 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND
101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLEHIGH-TORQUE
GRIP LENGTH0.115 INCHES MINIMUM AND
0.135 INCHES MAXIMUM
GRIP DIAMETER0.1885 INCHES MINIMUM AND
0.1895 INCHES MAXIMUM
FEATURES PROVIDEDDRY FILM LUBRICANT


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