EN 2939-1994 en Aerospace Series Screws 100 Degree Countersunk Head Offset Cruciform Recess Threaded to Head in Heat Resisting Steel FE-PA92HT (A286) Classification 900 MPa (at Amb.pdf
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1、CEN ENm2939 94 340q589 0079b40 b3 BRITISH STANDARD AEROSPACE SERIES Screws, lo countersunk head, offset cruciform recess, threaded to head, in heat resisting steel Classification: 900 MPa (at ambient temperature)/650 OC FE-PA92HT (A286) The European Standard EN 2939 : 1994 has the status of a Britis
2、h Standard UDC 621 882.2.091 6-034.018 44:629.7 BS EN 2939 : 1994 CEN ENx2939 74 m 3404589 0079b41 bTT m hard and comes into effect on 15 December 1994 Amd. No. BS EN 2939 : 1994 Date Text affected Cooperating organizations The European Committee for Standardization (GEN), under whose supervision th
3、is European Standard was prepared, comprises the national standards organizations of the following countries: Austria Belgium Denmark Finland France Germany Greece Ice 1 and Ireland Italy Luxembourg Netherlands Norway Portugal Spain Sweden Switzerland IJnited Kingdom Oesterreichisches Normungsinstit
4、ut Institut belge de normalisation Dansk Standard Suomen Standardisoimisliito, r. y. Association franaise de normalisation Deutsches Institut fr Normung e. V. Hellenic Organization for Standardization Technological Institute of Iceland National Standards Authority of Ireland Ente Nazionale Italiano
5、di Unificazione Inspection du Travail et des Mines Nederlands Normalisatie-instituut Norges Standardiseringsforbund Instituto Portugus da Qualidade Asociacin Espaola de Normalizacin y Certificacin Standardiseringskommissionen i Sverige Association suisse de normalisation British Standards Institutio
6、n C BSI 1994 The following BSI references relate to the work on this standard: Committee reference ACE!lZ Draft for comment 8817307 DC ISBN O 580 22623 9 CEN EN*2939 94 3404589 0079b42 53b BS EN 2939 : 1994 Contents Cooperating organizations National foreword Page Inside front page 1 Foreword 2 Spec
7、ification 1 Scope 3 2 Normative references 3 3 Required characteristics 3 4 Designation 6 5 Marking 6 6 Technical specification 6 National annexes NA (informative) Committees responsible Inside back page NB (informative) Cross-references Inside back page National foreword This British Standard has b
8、een prepared under the direction of the Aerospace Standards Policy Committee and is the English language version of EN 2939 : 1994, Amspace series - Screws, 100 countersunk head, offset cruci$fom recess, threaded to head, in heat resisting steel FE-PA92HT (A286) Classification: 900 MPa (at ambient t
9、emperature) /650 OC, published by the European Committee for Standardization (CEN). EN 2939 : 1994 was produced as a result of international discussions in which the United Kingdom took an active part. Compliance with a British Standard does not of itself confer immunity from legal obligations. i CE
10、N ENt2939 94 3404589 0079643 472 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2939 August 1994 UDC: ti21.882.2.091.6-034.018.44:629.7 L)escriptors: Aircraft industry, fastener, screw, countersunk head screw, cross recessed screw, heat resistant steel, Classification, characteristic, dimensio
11、n, screw thread, code, designation, marking English version Aerospace series Screws, looo countersunk head, offset cruciform recess, threaded to head, in heat resisting steel FE-PA92HT (A286) Classification : 900 MPa (at ambient temperature)/65O0C Srie arospatiale Luft- und Raumfahrt Vis tte fraise
12、100 empreinte cruciforme dporte, filetes sous tte, en acier rsistant chaud FE-PA92HT (A286) Classification : 900 MPa ( temprature ambiante)/650 OC 100 Senkschrauben, Flgelkreuzschlitz, Gewinde bis Kopf, aus hochwarmfestem Stahl FE-PA92HT (A286) Klasse : 900 MPa bei Raumtemperatur)/650C This European
13、 Standard was approved by GEN on 1994-08-17. GEN members are bound to comply with the CENICENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning
14、 such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a GEN member into its own langu
15、age and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and U
16、nited Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels O 1994 Copyright reserved to GEN members Ref. No. EN 2939 : 1994 E Previous page is blank CEN EN*2939 94 3404589 0079644 30
17、9 Page 2 EN2939: 1994 Foreword This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After enquiries and votes carried out in accordance with the rules of this Association, this standard has successively received the approval of the National Associa
18、tions and the Official Services of the member countries of AECMA, prior to its presentation to CEN. This standard was submitted for Formal Vote, and the result was positive. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endo
19、rsement, at the latest by Fkbruary 1995, and conflicting national standards shall be withdrawn at the latest by February 1995. According to the CENKENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany,
20、 Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, United Kingdom. CEN EN*2939 94 3404589 0079b45 245 Page 3 EN 2939: 1994 1 scope This standard specifies the characteristics of screws with 100 countersunk head with offset cruciform recess, threa
21、ded to head, in F-PA92HT, for aerospace applications. Classification : 900 MPa / 650 OC 21 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the p
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