1、CEN PRENs2928 92 3404589 0033392 498 = A. E. C. M .A. STAN DAR D NORME A.E.C.M.A. A.E.C.M.A. NORM prEN 2928 Issue P 2 August 1992 UDC : EDITE PAR L.ASSGCIATION EUROPEENNE DES CONSTRUCTEURS DE VATERIEL AERGSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - F-92138 Iscy-les-Mo!inearix Cedex T1 i1
2、I47 36 98 7 Supersedes Issue P 1 May 1986 Key words ENGLISH VERSION Aerospace series Bolts with double hexagon head, relieved shank, long thread, in heat resisting nickel base alloy NI-PI OOHT (Inconel 71 8), silver plated Classification : 1 275 MPa / 650 OC Srie arospatiale Luft- und Raumfahrt Vis
3、tte bihexagonale, Zwlfkantschrauben, tige rduite, filetage long, en alliage rsistant chaud base de nickel NI-PI OOHT (Inconel 71 8), argentes Classification : 1 275 MPa / 650 OC Dnnschaft, langes Gewinde, aus hochwarmfestem Nickelbasislegierung NI-P100HT (Inconel 71 8). versilbert Klasse : 1 275 MPa
4、 / 650 OC This .Aerospace Series pre-standard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It is published on green paper for the needs of AECMA-Members. It has been technically approved by the experts of the concerned Commissio
5、n following comment by the Member countries. Subsequent to the publication of this pre-standard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and signature of the
6、AECMA Standard Checking Centre (NPS) and formal agreement of the Official Services of the Member countries it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for final vote. Nota - Extra copies can be supplied by B t4 A E - Technopolis 54 - 199 rue Jean
7、 Jacques Rousseau - 921 38 ISSY LES-MOULINEAUX CEOEX Edition approved for publication Coinnients should be sent within six months C8 Chairman Mr WILLIAMS after the date of publication decision Technopolis - 175, rue Jean-Jacques Rousseau Ci21 38 Issy les-Moulineaux Cedex - FRANCE 1992-08-31 AECMA pr
8、EN 2928 Page 3 1 Scope a:id field of application This standard specifies the characteristics of double hexagon headed bolts with relieved shank and long thread in NI-P1 OOHT, silver plated, for aerospace applications. Classification : ? 275 MPa 1 / 650 OC 2, 2 References IS0 3353, Aerospace construc
9、tion - Rolled threads - Runout and lead threads IS0 4095, Fasteners for aerospace construction - Ei-hexagonal wrenching configuration IS0 5855-2, Aerospace - MJ threads - Part 2 : Limit dimensions for bolts and nuts EN 2424, Aerospace series - Identification marking of standard fasteners 3, EN 2583,
10、 Aerospace series - Bolts in heat resisting nickel base alloy NI-PI OOHT (Inco 71 8) - Classification : 1 275 MPa / 650 OC - Technical specification 4, EN 2786, Aerospace series - Eletrolytic silver plating of fasteners 5, EN 2952, Aerospace series - Heat resisting nickel base alloy (NI-P100HT) - So
11、lution treated and cold worked - Bar for hot upset forging for fasteners - 3 5 D LI U (CI c I- x 2 I t r I- - C C c - C C C - t c - C C - C Li C c! 20 +I -1 I r c I C r C I I I x f x I x 1 E CEN PREN*Z928 92 = 3404589 003l1397 T7T prEN 2928 Page 7 4 Designation Example : Description block I Identity block BOLT Number of this standard Thread code (see table 1) Length code (see table 2) Note : If necessary, the originator code 19005 shall be placed between the description block and the identity block. 5 Marking EN 2424, style A, as indicated on the figure 1 6 Technical specification EN 2583
