5305-01-131-2205 SCREW,CLOSE TOLERANCE Index 5305-01-131-2207 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-131-2206

Federal Supply Class:
5305

National Item Identification Number:
011312206

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:
10130702A486GNIMIKKEISTOKESKUS NCB FINLAND
11907-7L1959563REID PRODUCTS INC.
HT4024L7-1906725SPS TECHNOLOGIES, LLC
HT4024L7-190ZC92HEARTLAND PRECISION FASTENERS INC
HT4024L7-1917446HUCK INTERNATIONAL, INC
HT4024L7-1927624SPS TECHNOLOGIES LLC
ST3M455-7L1906710VALLEY-TODECO, INC.
ST3M455-7L1906950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4024L7-1956878SPS TECHNOLOGIES, LLC
HT4024L7-1973197HI-SHEAR CORPORATION
HT4024L7-1980539SPS TECHNOLOGIES, LLC
HT4024L7-1992215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4024L7-1997928HUCK INTL INC
HT4024L7-19K5673SPS TECHNOLOGIES LTD TJ BROOKS DIVISION
ST3M455-7L190PTL6KWA ASSOCIATES INC
ST3M455-7L1917446HUCK INTERNATIONAL, INC
ST3M455-7L191VSL7HOUSTON PRECISION FASTENERS I LP
ST3M455-7L1958998FASTENER INNOVATION TECHNOLOGY, INC.
ST3M455-7L1959563REID PRODUCTS INC.
WC4024L7-1960516WEST COAST AEROSPACE, INC.
ST3M455-7L1973197HI-SHEAR CORPORATION
ST3M455-7L1976301THE BOEING COMPANY
ST3M455-7L1980539SPS TECHNOLOGIES, LLC
ST3M455-7L19K5673SPS TECHNOLOGIES LTD TJ BROOKS DIVISION
ST3M455-7L19L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.829 INCHES MINIMUM AND 1.859 INCHES MAXIMUM
GRIP DIAMETER0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM
GRIP LENGTH1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM
HEAD DIAMETER0.612 INCHES MINIMUM AND 0.672 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATION23-112 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.438 INCHES
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.631 INCHES MINIMUM AND 0.681 INCHES MAXIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNJF


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