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  • BS 2A 302:2000

    Current The latest, up-to-date edition.

    Nuts, self-locking, with maximum operating temperatures less than or equal to 425°C. Procurement specification

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  15-06-2001

    Publisher:  British Standards Institution

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

    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Quality assurance
          4.1 General
                 4.1.1 Manufacturer's approval
                 4.1.2 Qualification of nuts
                 4.1.3 Production acceptance of nuts
          4.2 Qualification inspection and test conditions
          4.3 Production acceptance inspection and test
                 conditions
          4.4 Use of "statistical process control (SPC)"
    5 Technical requirements
    Annex A (normative) Types of permissible surface
            discontinuity (see 5.1.4)
    Annex B (informative) Cross-sectional area formula (see
            Tables 3 and 4)

    Abstract - (Show below) - (Hide below)

    Defines the characteristics of metric self-locking nuts, with MJ threads, for use in aerospace construction at a maximum temperature less or equal to 425 degree Centrigrade. Applicable to the nuts described above, providing the reference is made to this International Standard in the relevant definition document.

    Scope - (Show below) - (Hide below)

    This International Standard specifies the required characteristics for metric self-locking nuts, with MJ threads, for use in aerospace construction at a maximum temperature less than or equal to 425 °C.

    It is applicable to nuts as defined above, provided that reference is made to this International Standard in the relevant definition document.

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

    Committee ACE/12
    Development Note Also numbered as ISO 5858 (06/2001) Supersedes 97/710471 DC and BS A302(1992) (06/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

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

    EN 2753 : 1996 Aerospace series - Nuts, anchor, self-locking, fixed, single lug, with counterbore, in alloy steel, cadmium plated, MoS2 lubricated - Classification: 1 100 MPa (at ambient temperature)/235 °C
    BS EN 2753:1996 Nuts, anchor, self-locking, fixed, single lug, with counterbore, in alloy steel, cadmium plated, MoS2 lubricated. Classification. 1100 MPa (at ambient temperature) / 235°C

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

    ISO 8788:2000 Aerospace Nuts, metric Tolerances of form and position
    ISO 5855-2:1999 Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts
    ISO 691:2005 Assembly tools for screws and nuts Wrench and socket openings Tolerances for general use
    ISO 1463:2003 Metallic and oxide coatings Measurement of coating thickness Microscopical method
    ISO 7870:1993 Control charts General guide and introduction
    ISO 9002:1994 Quality systems — Model for quality assurance in production, installation and servicing
    ISO 3452:1984 Non-destructive testing — Penetrant inspection — General principles
    ISO 3887:2003 Steels Determination of depth of decarburization
    ISO 7481:2000 Aerospace — Nuts, self-locking, with maximum operating temperature less than or equal to 425 degrees C — Test methods
    ISO 7403:1998 Aerospace Spline drives Wrenching configuration Metric series
    ISO/TR 13425:2006 Guidelines for the selection of statistical methods in standardization and specification
    ISO 7966:1993 Acceptance control charts
    ISO 9227:2017 Corrosion tests in artificial atmospheres — Salt spray tests
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