AECMA PREN 2415-1996 Nuts Hexagon Slotted Castellated Thin in Steel Cadmium Plated Classification 900 MPa 235 Degrees Celsius Aerospace Series Edition 2 [Refer To ASD-STAN PREN 323.pdf

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1、AECMA STANDARD NORME AECMA AECMA NORM Declassification approved 1996-02-29 prEN 2415 Edition 2 February 1996 The equivalent versions in French and German languages can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau 92138 ISSY - LES - MOULINEAUX CEDEX - FRANCE ICs : PUBLISH

2、ED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - B-1200 BRUXELLES - Tel. (32) 2 775 81 1 O - Fax. (32) 2 775 81 11 Supersedes edition 1 June 1982 Descriptors : ENGLISH VERSION Nuts, hexagon, slotted/castellated thin, in steel, cadmium plated Classification : 900 MPa1235

3、 OC Aerospace series crous hexagonaux bas crneaux en acier cadmi Classe : 900 MPal235 OC Srie arospatiale Luft- und Raumfahrt Flache Kronenmuttern aus Stahl, verkadmet Klasse : 900 MPal235 OC This “Aerospace series“ Standard has been drawn a$*Q?y up u of AECMA (The European Asso cia tion of A erospa

4、ce Indus tries). It is published on yell0 w paper in three equi a It will be submitted as a draft Europe for formal vote. s (English, French, German). mmittee for Standardiza tion) Replace page 1 of the previous edition by this page I I aecma 1996 Copyright Association Europeene des Constructeurs de

5、 Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AECMA PREN2415 82 1012311 0003157 m e 1 2 “ 3 4 5 6 7 8 CONTENTS SCOPE FIELD OF APPLICATION REFERENCES MATERIALS AND SURFACE TREATMENT REQUIRED CHARACTERIS

6、TICS DESIGNATION MARKING TECHNICAL SPECIFICATION o Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1 2 3 4 prEN2415 Page 3 A.E.C.M.A. STANDARD prEN2415

7、 NUTS, HEXAGON, SLOTTED/CASTELLATED, THIN, IN STEEL, CADMIUM PLATED CLASSIFICATION : 900 MPa/235 OC SCOPE This standard specifies the characteristics of thin, steel, hexagonal nuts, with an upper portion slotted or castellated. FIELD OF APPLICATION These nuts are intended for use in aircraft assembl

8、ies subjected principally to shear loading. They are intended to be used with bolts of 660 MPa tensile strength classification and split pins to EN2367. The cadmium plating restricts the application to temperatures not exceeding 235 OC. REFERENCES EN2133 , Cadmium plating of steels with maximum spec

9、ified tensile strength of equal to or less than 1450 MPa, and copper and copper alloys EN2158-1, MJ-threads - Part 1 - Basic profile EN2158-2, MJ-threads - Part 2 - Selection of nominal diameters - Pitches Tolerances EN2158-3, MJ-threads - Part 3 - Tolerances and limiting dimensions EN2205 , Steel F

10、E-PL43S, 900 MPa i .- E a E U m n O .- c .- ; o E E Y- .- 8 E +I ln +I E E u- .- $ E .cl E c O CI m G o) M a .- Ta .- O E I- m c Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted wit

11、hout license from IHS-,-,-AECMA PREN2435 82 W 3032333 0003Lb3 b W prEN24LS Page 6 5.2 Threads Threads shall conform with EN2158 Parts 1, 2 and 3 after cadmium plating. 5.3 Surface roughness Ra = 6,3 pm all over except where specified. These values apply prior to cadmium plating. The surface roughnes

12、s for the thread will be as achieved by normal methods of manufacture. 6 DESIGNATION Each slotted nut shall only be designated as in the following examples : Description block Identity block NUT EN2415 - 080 080 = thread code 1 (see table i) NOTE : If necessary the originator code S9005 may be intro

13、duced between the Description block and the Identity block. 7 MARKING Each nut shall be marked at the positions indicated in the figure in accor- dance with EN2424 l) with the following ruling : TABLE 2 - Marking styles r - Marking style Thread code 040 F 050 to 080 E 100 and 120 D 140 and 160 C 180

14、 and 200 A 8 TECHNICAL SPECIFICATION Nuts supplied to this standard shall conform with the requirements of EN2427;). 1) Ir1 preparatiori. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-