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1、- - - - EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2867 November 2009 ICS 49.030.30 English Version Aerospace series - Nuts, anchor, self-locking, floating, one lug, with counterbore, in heat resisting steel, MoS2 lubricated - Classification: 1 100 MPa (at ambient temperature) / 315 C Srie
2、 arospatiale - crous river, freinage interne, flottants, simple patte, avec chambrage, en acier rsistant chaud, lubrifis MoS2 - Classification : 1 100 MPa ( temprature ambiante) / 315 C Luft- und Raumfahrt - Gehause-Annietmuttern, selbstsichernd, beweglich, einseitiger Flansch, mit zylindrischer Aus
3、senkung, aus hochwarmfestem Stahl, MoS2 geschmiert - Klasse: 1 100 MPa (bei Raumtemperatur) / 315 C This European Standard was approved by CEN on 17 October 2009. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standar
4、d the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member. This European Standard exists in three official versions (English, French,
5、German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Cze
6、ch Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUR
7、OPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2867:2009: E - - EN 2867:2009 (E) 2 Contents Page Foreword 3 1 Scope 4 2
8、 Normative references 4 3 Required characteristics .5 4 Designation 7 5 Marking .7 6 Technical specification .7 - - EN 2867:2009 (E) 3 Foreword This document (EN 2867:2009) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries a
9、nd votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN. This European Standard shall be given the status of a national stand
10、ard, either by publication of an identical text or by endorsement, at the latest by May 2010, and conflicting national standards shall be withdrawn at the latest by May 2010. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and
11、/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republi
12、c, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. - - EN 2867:2009 (E) 4 1 Scope This European Standard
13、specifies the characteristics of one lug, floating anchor nuts, with counterbore and self-locking feature achieved by forming the upper portion out-of-round, in heat resisting steel, MoS2 lubricated. Classification: 1 100 MPa 1) / 315 C 2). 2 Normative references The following referenced documents a
14、re indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2398, Aerospace series Heat resisting steel FE-PA2601 (X6NiCrTiMoV26-15) Rm 900 MP
15、a Bars for machined bolts D 25 mm EN 2399, Aerospace series Heat resisting steel FE-PA2601 (X4NiCrTiMoV26-15) Rm 900 MPa Bars for forged bolts D 25 mm EN 2424:2008, Aerospace series Marking of aerospace products EN 2491, Aerospace series Molybdenum disulphide dry lubricants Coating methods EN 3638,
16、Aerospace series Heat resisting alloy FE-PA2601 (X6NiCrTiMoV26-15) Consumable electrode remelted Solution and precipitation treated Sheet, strip and plate 0,5 mm a 10 mm EN 3639, Aerospace series Heat resisting alloy FE-PA2601 Softened and cold worked Wire for forged fasteners D 15 mm 900 MPa Rm 1 1
17、00 MPa 3) EN 9100, Quality Management Systems Requirements for Aviation, Space and Defense Organizations EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts ISO 3224, Aerospace Nuts, anchor, self-locking, floating, single lug, with counterbore, w
18、ith MJ threads, classifications: 1 100 MPa (at ambient temperature)/ 235 C, 1 100 MPa (at ambient temperature)/ 315 C and 1 100 MPa (at ambient temperature)/ 425 C Dimensions ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts ISO 5858, Aerospace Nuts, self-locking, with max
19、imum operating temperature less than or equal to 425 C Procurement specification ISO 8788, Aerospace Nuts, metric Tolerances of form and position TR 3791, Aerospace series Materials for self-locking nuts, threaded inserts and screw thread inserts of temperature classes 425 C 4) 1) Corresponds to str
20、ength class of the associated bolt, the 100 % load of which it is able to withstand, when tested at ambient temperature, without breaking or cracking. 2) Maximum temperature that the nut is able to withstand, without permanent alteration to its original characteristics, after ambient temperature has
21、 been restored. The maximum temperature is conditioned by the surface treatment. 3) Published as ASD-STAN Prestandard at the date of publication of this standard. 4) Published as ASD-STAN Technical Report at the date of publication of this standard. - - EN 2867:2009 (E) 5 3 Required characteristics
22、3.1 Configuration Dimensions Masses See Figure 1 and Table 1. Dimensions and tolerances are in conformity with ISO 3224, expressed in millimetres and apply before MoS2 lubrication. 3.2 Materials EN 2398, EN 2399, EN 3638, EN 3639 or TR 3791. 3.3 Surface treatment EN 2491, thickness not specified. Th
23、ese values, in micrometres, apply before surface treatment. The values do not apply to threads and sheared edges the surface texture of which will be achieved by usual manufacturing methods. Break sharp edges 0,1 to 0,4. Details of form, not stated, are at the manufacturers option. Tolerances of for
24、m and position shall be in conformity with ISO 8788. 6,3 3,2 - - EN 2867:2009 (E) 6 Key 1 Marking 2 Float inclusive 3 Cage 4 Threaded element 5 Form out-of-round in this area to achieve the self-locking. Tooling marks are permitted in this area. 6 Thread 7 Bearing face of the nut 8 Radius or chamfer
25、 Figure 1 Alternatives: countersunk rivet holes (when specified by purchaser) may be dimpled or cut countersunk (at manufacturers option). - - EN 2867:2009 (E) 7 Table 1 Diameter code Thread a E F G H J b K L M N c P R S T V Z Mass kg/1 000 pieces approx. Radial float min. min. max.max.max.max. max.
26、min. max. max 0,25min. 030 MJ3 0,5-4h6h 8,5 8 d d 4,6 11 26,5 4 0,9 4,5 3,5 2,5 4,5 4,8 0,5 1,8 040 MJ4 0,7-4h6h 4,4 2,2 6,2 5,8 5,52 050 MJ5 0,8-4h6h 9,5 5,5 2,4 7,3 12 27,5 6,9 6,5 0,7 2,3 060 MJ6 1-4h5h 11 6,5 2,7 8,7 13,530 8,1 7,5 4 4,6 3,8 080 MJ8 1-4h5h 8,5 8,5 10,9 16 32,7 9,9 1,1 9,53 5,5 5
27、,7 0,75 7,3 100 MJ10 1,25-4h5h 13 10,5 3 12,9 18 36,7 12 11,55 3,5 6 6,6 10 a In accordance with ISO 5855-2. In the self-locking zone, the tolerances apply before forming out-of-round. b Is to sharp corners (chamfered) or point of tangency (radiused). c Is applicable at the rivet hole location. d Di
28、ameter code 030 does not include counterbore. 4 Designation EXAMPLE Description block NUT Identity block EN2867050 Number of this standard Code (see Table 2) Diameter code (see Table 1) NOTE If necessary the originator code I9005 shall be placed between the description block and the identity block. Table 2 Option Code Plain rivet holes (hyphen) Countersunk or dimpled rivet holes K 5 Marking EN 2424:2008, style N. See Figure 1. 6 Technical specification ISO 5858, except for: Approval of manufacturers: see EN 9100; Qualification of nuts: see EN 9133. - - - -