• BS A 302:1992

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Self-locking nuts with maximum operating temperature less than or equal to 425°C. Procurement specification

    Available format(s):  Hardcopy, PDF

    Superseded date:  15-01-2000

    Language(s):  English

    Published date:  15-09-1992

    Publisher:  British Standards Institution

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

    National foreword
    Committees responsible
    Specification
    1 Scope
    2 Normative references
    3 Definitions
    4 Quality assurance
    5 Requirements
    Annexes
    A (normative) Types of permissible surface
        discontinuities
    B (informative) Bibliography
    Tables
    1 Technique requirements and test methods
    2 Summary of qualification and production acceptance
        inspections and tests
    3 Loads to be applied in the 80 % axial load test
    4 Loads to be applied in the 100 % axial load test
    5 Torques to be applied for testing the wrenching
        features
    6 Tightening torques to be applied for the stress
        embrittlement test and for measuring locking torques
    7 Torques to be applied in the torque-out test
    8 Loads to be applied in the push-out test
    9 Locking torques
    10 Tightening torques to be applied in the vibration
        test
    11 Classification of visual and dimensional inspections
    12 Sampling plans for visual and dimensional
        inspections and sealing test
    13 Sampling plans for the inspection of mechanical and
        metallurgical characteristics
    14 Maximum depth of permissible surface discontinuities

    Abstract - (Show below) - (Hide below)

    Requirements for metric nuts with MJ threads, for use in aerospace construction.

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

    Committee ACE/12
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

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

    BS EN 2264:1996 Nuts, anchor, self-locking, floating, two lug, incremental counterbore, in alloy steel, cadmium plated MoS2 lubricated. Classification: 900 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 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 9227:2017 Corrosion tests in artificial atmospheres — Salt spray tests
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