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  • BS 4084(1978) : 1978

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    SPECIFICATION FOR UNJ THREADS, WITH CONTROLLED ROOT RADIUS FOR AEROSPACE: INCH SERIES

    Available format(s):  Hardcopy, PDF

    Superseded date:  15-08-1996

    Language(s):  English

    Published date:  01-01-1978

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Cooperating organizations
    Specification
    1. Scope
    2. Field of application
    3. Basic profile of thread
    4. Series of threads
    5. Designation of threads
    6. Tolerances
    7. Gauging by limit gauges
    8. Tables
    Tables
    1. Basic profile
    2. Basic dimensions
    3. Thread series
    4. Limit values of the root radius R
        (dimensions in inches with metric conversions)
    5. Values of tolerances for profile dimensions
        (inch dimensions)
    6. Values of tolerances for profile dimensions
        (metric conversions)
    7. Maximum permissible deviation in the lead error
        and half-angle (inch dimensions)
    8. Maximum permissible deviation in the lead error
        and in the half-angle (metric conversions
    Appendix
    A. 20 UNJ constant pitch series for diameters up to
        and including 3 inches

    Abstract - (Show below) - (Hide below)

    Gives the characteristics of inch series UNJ threads with controlled root radius. It specifies the basic triangular profile for this type of thread, gives a system of designating and also, for diameters from 0.060 to 6 in, series of diameter/pitch combinations, basic dimensions and tolerances, and finally provides the inspection procedures to be used.

    General Product Information - (Show below) - (Hide below)

    Committee GME/3
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS C20(1986) : 1986 SPECIFICATION FOR AIRCRAFT GASEOUS OXYGEN REPLENISHMENT CONNECTION (INCH DIMENSIONS)
    BS 1580-3(1965) : 1965 SPECIFICATION FOR UNIFIED SCREW THREADS - DIAMETERS BELOW 1/4 IN AND LARGER
    BS 1580-1&2(1962) : 1962 SPECIFICATION FOR UNIFIED SCREW THREADS - DIAMETERS 1/4 INCH AND LARGER

    Standards Referencing This Book - (Show below) - (Hide below)

    BS 919-1(1960) : 1960 SPECIFICATION FOR SCREW GAUGE LIMITS AND TOLERANCES - GAUGES FOR SCREW THREADS OF UNIFIED FORM
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