5305-01-210-4969 SCREW,SHOULDER Index 5970-01-210-4971 INSULATOR,DISK

National Stock Number:
5305-01-210-4970

Federal Supply Class:
5305

National Item Identification Number:
012104970

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:
11935-3L659536MACJEWEL TOOL DEVELOPMENT INC
11935-3L659563REID PRODUCTS INC.
HT4057-3-6A06725SPS TECHNOLOGIES, LLC
HT4057-3-6A06950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4057-3-6A17446HUCK INTERNATIONAL, INC
HT4057-3-6A27624SPS TECHNOLOGIES LLC
HT4057-3-6A56878SPS TECHNOLOGIES, LLC
HT4057-3-6A73197HI-SHEAR CORPORATION
HT4057-3-6A80539SPS TECHNOLOGIES, LLC
HT4057-3-6A92215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4057-3-6A97928HUCK INTL INC
HT4057-3-6AK5673SPS TECHNOLOGIES LTD TJ BROOKS DIVISION
HT4057-3-6AL4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
ST3M733-3L6007R1TWIST TITE MFG, INC
ST3M733-3L606710VALLEY-TODECO, INC.
ST3M733-3L60ZC92HEARTLAND PRECISION FASTENERS INC
ST3M733-3L61VSL7HOUSTON PRECISION FASTENERS I LP
ST3M733-3L658998FASTENER INNOVATION TECHNOLOGY, INC.
ST3M733-3L676301THE BOEING COMPANY
WC4057-3-660516WEST COAST AEROSPACE, INC.
WC4057-3-6A60516WEST COAST AEROSPACE, INC.


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH0.766 INCHES MINIMUM AND 0.796 INCHES MAXIMUM
GRIP DIAMETER0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
GRIP LENGTH0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
HEAD DIAMETER0.338 INCHES MINIMUM AND 0.381 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5629 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP XM-13 OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-83488,TYPE 2 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTALUMINUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH32


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