EN European Norm Tests Part 37
EN Standards are European Standards. These standards specify requirements for a particular item, material, component, system or service, or describe in detail a particular method or procedure, and tests are performed accordingly.

- EN 2278: 2014; Aviation series. Steel X12CrNiMoV12-3 (1; 4933). 900 MPa $ 3L Rm $ 3L 1 100 MPa. bars. 3L 150mm.
- EN 2282: 1992; Properties of aircraft electrical materials.
- EN 2283: 2010; Aviation series. Testing aircraft cables.
- EN 2284: 1991; Specification for sulfuric acid anodizing of aluminum and wrought aluminum alloys.
- EN 2285 : 1990 ; Specifications for bushings, plain, aluminum alloy with self-lubricating lining. Dimensions and loads.
- EN 2286: 1990; Specifications for flanged bushes, aluminum alloy with self-lubricating lining. Dimensions and loads.
- EN 2287: 1990; Specifications for bushings, plain, corrosion-resistant steel with self-lubricating lining. Dimensions and loads.
- EN 2288 : 1990 ; Specifications for flanged bushes, corrosion resistant steel with self-lubricating lining. Dimensions and loads.
- EN 2289: 1996; Aluminum alloy rod bodies for flight controls. Technical specification.
- EN 2290-1: 1998; Aluminum alloy rod stems for adjustable end fittings, flight control. Dimensions and loads
- EN 2309: 1990; Specification of hole sizes for solid rivets.
- EN 2311: 1990; Specifications for self-lubricating lined bushings. Technical specification.
- EN 2311: 2012; Aviation series. Self-lubricating lined bushings. Technical specification.
- EN 2318 : 1992 ; Aluminum alloy AL-P2024-T3511 ; Extruded bars and sections 1,2 mm 3L a or D 3L 150 mm.
- EN 2326: 1992; Aluminum alloy AL-P6082-T6 ; Extruded bars and sections a or D 3L 200 mm.
- EN 2327: 1989; Specifications for washers, radial knurled lock in alloy steel. Dimensions.
- EN 2327 : 2006 ; Aviation series. Washers, lock, radial gear alloy steel, cadmium plated for flight control rods. Dimensions.
- EN 2328: 1990; Specifications for washers, tab for flight control sticks. Dimensions.
- EN 2328: 2006; Aviation series. Washers, nails made of rust-resistant steel, cadmium-plated for flight control rods. Dimensions.
- EN 2329: 1993; Textile fiberglass is pre-impregnated. Test method for determining mass per unit area.
- EN 2330 : 1993 ; Textile fiberglass is pre-impregnated. Test method for determination of volatile substance content.
- EN 2331: 1993; Textile fiberglass is pre-impregnated. Test method for determination of resin and fiber content and fiber mass per unit area.
- EN 2332: 1993; Textile fiberglass is pre-impregnated. Test method for determination of resin flow.
- EN 2334: 1997; Chromic-sulfuric acid pickling of aluminum and aluminum alloys.
- EN 2335 : 1990 ; Specifications for spherical plain bearings made of corrosion-resistant steel without mounting slots. Dimensions and loads.
- EN 2335 : 2005 ; Aviation series. Bearings, spherical plain of corrosion-resistant steel, without mounting slots. Dimensions and loads.
- EN 2336: 1990; Specifications for spherical plain bearings in steel with mounting slots. Dimensions and loads.
- EN 2336 : 2005 ; Aviation series. Bearings spherical plain steel with mounting slots. Dimensions and loads.
- EN 2337: 1996; Spherical plain bearings. Technical specification.
- EN 2337 : 2006 ; Aviation series. Spherical plain bearings. Technical specification.
- EN 2346-002 : 2006 ; Aviation series. Cable, electrical, fire resistant. Operating temperatures from -65^DC to 260^DC. general
- EN 2346-003: 2006; Aviation series. Cable, electrical, fire resistant. Operating temperatures from -65^DC to 260^DC. DL family, single core. product standard
- EN 2346-004: 2006; Aviation series. Cable, electrical, fire resistant. Operating temperatures from -65^DC to 260^DC. DN family, single UV laser printable and multi-core assembly. Light. product standard
- EN 2346-005 : 2013 ; Aviation series. Cable, electrical, fire resistant. Operating temperatures from -65^DC to 260^DC. DW family, single UV laser printable and multi-core assembly. Light. product standard
- EN 2348: 1989; Specifications for control cable assemblies. Technical specification.
- EN 2349-201 : 2006 ; Aviation series. Requirements and test procedures for relays and contactors. visual inspection
- EN 2349-202 : 2006 ; Aviation series. Requirements and test procedures for relays and contactors. Examination of dimensions and mass
- EN 2349-301 : 2006 ; Aviation series. Requirements and test procedures for relays and contactors. Tension pick-up and release
- EN 2349-302: 2006; Aviation series. Requirements and test procedures for relays and contactors. Insulation resistance
- EN 2349-303 : 2006 ; Aviation series. Requirements and test procedures for relays and contactors. dielectric strength
- EN 2349-304: 2006; Aviation series. Requirements and test procedures for relays and contactors. Start and drop time
- EN 2349-305 : 2006 ; Aviation series. Requirements and test procedures for relays and contactors. bounce time
- EN 2349-306 : 2006 ; Aviation series. Requirements and test procedures for relays and contactors. overload dc and ac
- EN 2349-307 : 2006 ; Aviation series. Requirements and test procedures for relays and contactors. Contact voltage drop
- EN 2349-308 : 2006 ; Aviation series. Requirements and test procedures for relays and contactors. coil current
- EN 2349-309 : 2006 ; Aviation series. Requirements and test procedures for relays and contactors. Export spikes
- EN 2349-310: 2006; Aviation series. Requirements and test procedures for relays and contactors. tearing
- EN 2349-312 : 2006 ; Aviation series. Requirements and test procedures for relays and contactors. Electrical service life. mixed load
- EN 2349-316: 2006; Aviation series. Requirements and test procedures for relays and contactors. Mechanical life (durability at low load)
- EN 2349-317 : 2006 ; Aviation series. Requirements and test procedures for relays and contactors. Service life of the coil switching device
- EN 2349-318 : 2006 ; Aviation series. Requirements and test procedures for relays and contactors. High temperature start voltage and low temperature dropout voltage
- EN 2349-319 : 2006 ; Aviation series. Requirements and test procedures for relays and contactors. lady test
- EN 2349-402 : 2006 ; Aviation series. Requirements and test procedures for relays and contactors. corrosion, salt spray
- EN 2349-405 : 2006 ; Aviation series. Requirements and test procedures for relays and contactors. fluid resistance
- EN 2349-407 : 2006 ; Aviation Series. Requirements and test procedures for relays and contactors. Cold/low pressure and moist heat
- EN 2349-409 : 2007 ; Aviation series. Requirements and test procedures for relays and contactors. ozone resistance
- EN 2349-410 : 2007 ; Aviation series. Requirements and test procedures for relays and contactors. Pattern
- EN 2349-411 : 2007 ; Aviation series. Requirements and test procedures for relays and contactors. Temperature change
- EN 2349-412 : 2007 ; Aviation series. Requirements and test procedures for relays and contactors. Seal
- EN 2349-413 : 2007 ; Aviation series. Requirements and test procedures for relays and contactors. Vibration, sinusoidal and random
- EN 2349-414 : 2007 ; Aviation series. Requirements and test procedures for relays and contactors. mechanical shock
- EN 2349-415 : 2007 ; Aviation series. Requirements and test procedures for relays and contactors. Acceleration
- EN 2349-601 : 2007 ; Aviation series. Requirements and test procedures for relays and contactors. Compass safety distance
- EN 2353: 1989; Specifications for rotary barrels, control cable made of corrosion-resistant steel. Dimensions and loads.
- EN 2354: 1989; Corrosion resistant steel ring end, threaded, control cable specification. Dimensions and loads.
- EN 2355: 1989; Specifications for control cable with prong, threaded, corrosion resistant steel. Dimensions and loads.
- EN 2356: 1989; Fork-end gear, control cable specifications for rolling bearings made of corrosion-resistant steel. Dimensions and loads.
- EN 2357: 1989; Type specifications for stub ends of corrosion resistant steel forged on control cable. Dimensions and loads.
- EN 2358: 1989; Type, specification for forged corrosion-resistant steel ring ends on the control cable. Dimensions and loads.
- EN 2359: 1989; Type, specifications for forged corrosion-resistant steel prongs on the control cable. Dimensions and loads.
- EN 2360: 1989; Type specifications for fork ends for rolling bearings in corrosion resistant steel forged on control cable. Dimensions and loads.
- EN 2361: 1989; Specifications for ball ends, double shaft in corrosion resistant steel forged on type, control cable. Dimensions and loads.
- EN 2362: 1989; Type specifications for ball ends of forged corrosion-resistant steel on the control cable. Dimensions and loads.
- EN 2363: 1989; Locking clip specification for tensioning clips of control cables. Dimensions.
- EN 2364: 1989; Specification for pins, cutting head, close tolerance.
- EN 2365: 1989; Specifications for collars, aluminum alloy.
- EN 2367: 1990; Technical specifications for split pins made of EN 2573 steel;
- EN 2375 : 1992 ; Resin pre-impregnated materials. Production batch sampling procedure.
- EN 2377: 1989; Specification for glass fiber reinforced plastics. Test method. Determination of the apparent interlayer shear strength.
- EN 2378 : 1994 ; Fiber reinforced plastics. Determination of water absorption by immersion.
- EN 2381: 1992; Aluminum alloy AL-P7009-T7452 ; Hand forged 40 mm 3L and 3L 150 mm.
- EN 2384 : 1992 ; Aluminum alloy AL-P2014A-T6511 ; Extruded bars and sections a or D 3L 150 mm.
- EN 2385: 1992; Aluminum alloy AL-P7009-T74511 ; Extruded bars and sections a or D 3L 125 mm.
- EN 2395 : 1994 ; Aluminum alloy AL-P2014A-T4 or T42 ; Sheet and strip 0,4 mm 3L and 3L 6 mm.
- EN 2395 : 2005 ; Aviation series. Aluminum alloy AL-P2014A-T4 or T42 ; Sheet and strip. 0,4mm 3La 3L6mm.
- EN 2398 : 2008 ; Aviation series. Heat resistant steel FE-PA2601(X6NiCrTiMoV26-15). Rm $3M 900 MPa. Rods for machined bolts. D 3L 25mm.
- EN 2399 : 2008 ; Aviation series. Heat resistant steel FE-PA2601 (X4NiCrTiMoV26-15). Rm $3M 900 MPa. Rods for forged bolts. D 3L 25mm.
- EN 2402: 2014; Aviation series. Heat resistant nickel base alloy NiCr20Co3Fe3 ; annealed. Phone. D 3L 10mm.
- EN 2413: 1995; Bolts, shouldered, narrow hex head, narrow tolerance stem, short thread, alloy steel, cadmium plated. Classification : 1100 MPa (at ambient temperature)/235^DC.
- EN 2422: 2005; Aluminum alloy AL-P2124-T351 ; Plate. 25mm 0L and 3L 120mm.
- EN 2424 : 2008 ; Aviation series. Marking of aviation products.
- EN 2428: 1995; Ethylene-propylene rubber (EPM/EPDM). Hardness 50 IRHD.
- EN 2429: 1995; Ethylene-propylene rubber (EPM/EPDM). Hardness 60 IRHD.
- EN 2430: 1995; Ethylene-propylene rubber (EPM/EPDM). Hardness 70 IRHD.
- EN 2431: 1995; Ethylene-propylene rubber (EPM/EPDM). Hardness 80 IRHD.
- EN 2432: 1995; Ethylene-propylene rubber (EPM/EPDM). Hardness 90 IRHD.
- EN 2434-001: 2010; Aviation series. Paints and varnishes. Two component cold curing polyurethane coating. Basic requirements
- EN 2434-002: 2010; Aviation series. Paints and varnishes. Two component cold curing polyurethane coating. High chemical resistance
- EN 2434-003: 2010; Aviation series. Paints and varnishes. Two component cold curing polyurethane coating. Flexible and high fluid resistance for indoor
- EN 2434-004: 2010; Aviation series. Paints and varnishes. Two component cold curing polyurethane coating. High flexibility
Standards facilitate international trade by ensuring compatibility and interoperability of components, products and services. European Standards (ENs) are documents approved by three European Standardization Organizations (ESO), CEN, CENELEC or ETSI; Recognized as competent in the field of voluntary technical standardization for EU Regulation 1025/2012.