BS 4991:1974 -
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BS 4991:1974 Onwards

Standard Official Title of Standard
BS 4991:1974 Specification for propylene copolymer pressure pipe
BS 499-1:1991 Welding terms and symbols. Glossary for welding, brazing and thermal cutting
BS 499-2C:1999 Welding terms and symbols. European arc welding symbols in chart form
BS 4993-1:1974 Methods of test for aluminium fluoride for industrial use. Determination of fluorine content
BS 4993-10:1983 Methods of test for aluminium fluoride for industrial use. Determination of phosphorus content
BS 4993-2:1974 Methods of test for aluminium fluoride for industrial use. Determination of iron content
BS 4993-3:1974 Methods of test for aluminium fluoride for industrial use. Determination of silica content
BS 4993-4:1980 Methods of test for aluminium fluoride for industrial use. Preparation and storage of test samples
BS 4993-5:1980 Methods of test for aluminium fluoride for industrial use. Determination of moisture content (Karl Fischer method)
BS 4993-6:1980 Methods of test for aluminium fluoride for industrial use. Determination of moisture content (gravimetric method)
BS 4993-7:1980 Methods of test for aluminium fluoride for industrial use. Determination of sodium content
BS 4993-8:1980 Methods of test for aluminium fluoride for industrial use. Determination of sulphate content
BS 4993-9:1980 Methods of test for aluminium fluoride for industrial use. Determination of sulphur content (X-ray fluorescence spectrometric method)
BS 4994:1987 Specification for design and construction of vessels and tanks in reinforced plastics
BS 4995:1973 Recommendations for measurement of the veiling glare index of lenses and optical systems
BS 4996:1973 Specification for line traps for power line carrier systems
BS 4997:1991 Specification for wooden axilla crutches
BS 4998:1985 Specification for moulded thermoplastics dustbins (excluding lids)
BS 4999-0:1987 General requirements for rotating electrical machines. General introduction and information on other Parts
BS 4999-103:2004 General requirements for rotating electrical machines. Specification for symbols
BS 4999-140:1987 General requirements for rotating electrical machines. Specification for voltage regulation and parallel operation of a.c. synchronous generators
BS 4999-141:2004 General requirements for rotating electrical machines. Specification for standard dimensions
BS 4999-142:1987 General requirements for rotating electrical machines. Specification for mechanical performance: vibration
BS 4999-143:1987 General requirements for rotating electrical machines. Specification for tests
BS 4999-145:1987 General requirements for rotating electrical machines. Specification for winding terminations
BS 4999-147:1988 General requirements for rotating electrical machines. Specification for dimensions of brushes and brush-holders for electrical machinery
BS 4A 100:2003 Specification for general requirements for bolts and free running nuts of tensile strength not exceeding 1249 MPa
BS 4A 102:2002 Specification for steel bolts (Unified hexagons and Unified threads) for aircraft
BS 4A 104:2002 Specification for corrosion-resisting steel bolts (Unified hexagons and Unified threads) for aircraft
BS 4A 111:1993 Specification for cadmium-plated steel bolts (Unified hexagons and Unified threads) with close tolerance shanks
BS 4A 112:1992 Specification for cadmium-plated steel shear bolts (Unified hexagons and Unified threads)
BS 4A 113:1999 Specification for cadmium-plated, mushroom-headed, unified-thread, slotted drive, bolts
BS 4A 114:1999 Specification for corrosion-resisting steel, mushroom-headed, slotted-drive, bolts (strength class 880/1080)
BS 4A 169:2002 Specification for aluminium alloy bolts (Unified hexagons and Unified threads) for aircraft
BS 4A 170:1999 Specification for aluminium alloy, mushroom-headed, slotted drive, bolts (unified thread)
BS 4A 228:1997 Specification for steel double hexagon bolts. 1250 MPa (180,000 lbf/in$u2) for aircraft
BS 4A 4:1966 Test pieces and test methods for metallic materials for aircraft. Metric units
BS 4A 4-1.2:1967 Specification for test pieces and test methods for metallic materials. Tensile tests. Tensile tests - elevated temperature. Metric units
BS 4A 4-1.3:1967 Specification for test pieces and test methods for metallic materials. Tensile tests. Uninterrupted creep and rupture tests. Metric units
BS 4C 14:1991 Specification for aircraft pressure refuelling connectors
BS 4F 111:2002 Flax harness webbing for aerospace purposes
BS 4F 119:2002 145 g/m$u2 to 235 g/m$u2 nylon parachute fabric
BS 4F 123:1996 Woven nylon narrow fabrics for aerospace purposes (nominally 235 dtex yarns)
BS 4F 124:1996 Specification for woven nylon 6.6 narrow fabrics for aerospace purposes (nominally 940 dtex yarns)
BS 4F 33:1961 Specification for flexible cotton rope for aeronautical purposes
BS 4F 57:1990 Specification for scoured cotton fabric for inflatable equipment for aerospace purposes
BS 4F 68:2002 Controlled storage of vulcanized rubbers for use in aerospace applications
BS 4G 173-1:1985 Connectors for ground electrical supplies for aircraft. Specification for design, performance and test requirements
BS 4G 173-2:1985 Connectors for ground electrical supplies for aircraft. Specification for dimensions
BS 4G 178-2:1986 Crimped joints for aircraft electrical cables and wires. Specification for control of crimping (including user control tests)
BS 4G 198-1:1997 Sleeves for aircraft electric cables and equipment wires. Specification for elastomeric sleeves for binding and identification
BS 4G 198-3:1999 Sleeves and moulded components for aircraft electric cables and equipment wires. Specification for heat-shrinkable sleeving for binding, insulation, and identification
BS 4G 229:1996 Schedule for environmental conditions and test procedures for airborne equipment
BS 4J 10:1991 Specification for pressure-sensitive adhesive water resistant PVC tape
BS 4J 11:1991 Specification for pressure-sensitive adhesive paper masking tape
BS 4K 6:1928 Specification for aircraft material. Cast iron piston ring pots (sand cast and chill cast)
BS 4L 100:1993 Procedure for inspection, testing and acceptance of wrought aluminium and aluminium alloys
BS 4L 101:1990 Procedure for inspection, testing and acceptance of aluminium-base and magnesium-base ingots and castings
BS 4L 54:1986 Specification for tube of 99% aluminium (cold drawn: seamless: tested hydraulically) (not exceeding 12 mm wall thickness)
BS 4L 56:1986 Specification for tube of aluminium-2$9D% magnesium alloy (temper designation-O) (seamless: tested hydraulically) (not exceeding 12 mm wall thickness)
BS 4L 59:1985 Specification for sheet and strip of aluminium-manganese alloy (temper designation H16 or H26)
BS 4L 60:1985 Specification for sheet and strip of aluminium-manganese alloy (temper designation H12 or H22)
BS 4L 61:1985 Specification for sheet and strip of aluminium-manganese alloy (temper designation-O)
BS 4M 45-1:1998 Aircraft tyres and rims. Specifications
BS 4N 100-1:1999 Aircraft oxygen systems and equipment. Design and installation
BS 4N 100-2:1999 Aircraft oxygen systems and equipment. Tests for the compatibility of materials in the presence of oxygen
BS 4N 100-3:1999 Aircraft oxygen systems and equipment. Testing of equipment and systems
BS 4N 100-4:1999 Aircraft oxygen systems and equipment. Guide to the physiological factors
BS 4N 100-5:1999 Aircraft oxygen systems and equipment. Guide to fire and explosion hazards associated with oxygen
BS 4N 100-6:1999 Aircraft oxygen systems and equipment. Guidance and recommendations on the selection of materials for use with oxygen
BS 4S 106:1976 Specification. 3% chromium-molybdenum steel billets, bars, forgings and parts (930-1080 MPa: limiting ruling section 150 mm) (suitable for nitriding)
BS 4S 14:1964 Specification for aircraft material. Carbon case-hardening steel
BS 4S 28:1964 Specification for aircraft material. 4 per cent nickel-chromium-molybdenum steel (air hardening) (100 tonf/sq in: limiting ruling section 2$9H in)
BS 4T 100:1997 Procedure for inspection, testing and acceptance of seamless steel tubes and tubestock
BS 4T 45:1972 Specification for carbon-manganese steel tube (700 N/mm$u2) (tube 12.5 mm outside diameter and greater) (weldable)
BS 500:2000 Steel sleepers
BS 5000:Index:1981 Specification for rotating electrical machines of particular types or for particular applications. General introduction and index
BS 5000-15:1980 Rotating electrical machines of particular types or for particular applications. Machines with type of protection 'e' (increased safety)
BS 5000-16:1997 Rotating electrical machines of particular types or for particular applications. Rotating electrical machines with type of protection 'N'
BS 5000-17:1981 Rotating electrical machines of particular types or for particular applications. Machines with flameproof enclosure





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