• DEFSTAN 02-518/1(2000) : 2000

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    REQUIREMENTS FOR LIMITED FIRE HAZARD (LFH) SHEATHING FOR ELECTRIC CABLES - CATEGORY 2

    Available format(s): 

    Withdrawn date:  02-11-2015

    Language(s): 

    Published date:  12-01-2013

    Publisher:  UK Ministry of Defence Standards

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

    Authorization
    Conditions of Release
    Contents
    Introduction
    1 - Scope
    2 - Health and Safety Warning
    3 - Related Documents
    4 - General
          Colour
          Operating conditions
    5 - Test Requirements
          Test Samples
          Tensile Strength and Elongation
          at Break
          Tear Resistance
          Thermal Endurance
          Accelerated Ageing
          Critical Oxygen Index
          Temperature Index
          Toxicity Index
          Halogen Content
          Smoke Index
          Resistance to Fluids
          Table 1: Test Fluids, Temperatures
          and Limits
          Ozone Resistance
          Cold Elongation
          Heat Shock
          Hot Set Test
          Insulation Resistance Constant
          Acceptance Test Limits
          Table 2: Acceptance Test Limits
    6 - Approval Procedures
    Annex A - Test Methods for Measuring Cable
              Sheath Tensile Strength and Elongation
              at Break
               Fig. A1: Standard Dumb-Bell Test Piece
               Fig. A2: Small Dumb-Bell Test Piece
    Annex B - Test Method for Measuring Cable Tear
              Resistance
               Fig. B1: Test piece for Tear Test
    Annex C - Fluid Resistance Tests
    Annex D - Smoke Index - Preparation of Samples
               Fig. D1: Welded mesh of 1.0 mm dia
               stainless steel wire
    Annex E - Insulation Resistance Constat Test
    Alphabetical Index

    Abstract - (Show below) - (Hide below)

    Specifies the requirements for limited fire hazard sheathing material for electric cables suitable for use in Surface Ships and Submarines.

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

    Development Note This is a redesignation of NES 518. (01/2001) This standard is obsolescent because it is no longer required for the procurement of new equipment but is retained for maintenance purposes in support of existing in-service equipment. (07/2003)
    Document Type Standard
    Publisher UK Ministry of Defence Standards
    Status Withdrawn
    Supersedes

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

    DEFSTAN 07-247(PT1)/2(2006) : 2006 THE SELECTION OF MATERIALS ON THE BASIS OF THEIR FIRE CHARACTERISTICS - PART 1: SELECTION OF MATERIALS ON THE BASIS OF THEIR FIRE CHARACTERISTICS
    DEFSTAN 07-247(PT1)/3(2009) : 2009 THE SELECTION OF MATERIALS ON THE BASIS OF THEIR FIRE CHARACTERISTICS - PART 1: SELECTION OF MATERIALS ON THE BASIS OF THEIR FIRE CHARACTERISTICS

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

    DEFSTAN 05-92/2(1995) : 1995 QUALITY SYSTEM REQUIREMENTS FOR PRODUCTION, INSTALLATION AND SERVICING
    DEFSTAN 01-5/12(1999) : 1999 CORR 2000 FUELS, LUBRICANTS AND ASSOCIATED PRODUCTS
    DEFSTAN 05-91/2(1995) : 1995 QUALITY SYSTEM REQUIREMENTS FOR DESIGN/DEVELOPMENT, PRODUCTION, INSTALLATION AND SERVICING
    NES 713 : ISSUE 3 DETERMINATION OF THE TOXICITY INDEX OF THE PRODUCTS OF COMBUSTION FROM SMALL SPECIMENS OF MATERIALS
    NES 711 : ISSUE 2 DETERMINATION OF THE SMOKE INDEX OF THE PRODUCTS OF COMBUSTION FROM SMALL SPECIMENS OF MATERIALS
    BS 2782-1 Method 141:1986 Methods of testing plastics. Thermal properties Determination of flammability by oxygen index
    BS 2782-1:Methods 143A and 143B:1989 Methods of testing plastics. Thermal properties Determination of flammability temperature of materials
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