AECMA PREN 3033-1989 Aerospace Series Nuts Self-Locking Hexagonal with Captive Washer in Heat Resisting Steel FE-PA92HT (A286) Uncoated Classification 1100 MPa 425 Degrees Celsius .pdf

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1、DRAFT FOR PUBLIC CO Latest date for receipt of comments Technical Cornittee ACE/12 Aerospace fasteners and fastening systems I BRAFT STANDARD AEROSPACE SERIES NUTS, SELF-LOCKING, HEXAGONAL WITH CAPTIVE WASHER, IN HEAT RESISTING STEEL-FE-PA92HT (A2861, UNCOATED CLASSIFICATION: 1100 MPA/425C (prEN 303

2、3) I This draft is now available for public comment and your views and technical comments on it would be appreciated. If you have no specific comments to make but find it generally acceptable it would be helpful if you would notify us accordingly. Suggestions entailing revision of the text should in

3、dicate the preferred wording. Please quote the relevant clause number against any comment. The eo-ordination of the requirements of this draft with those of any related standards is of particular importance and you are invited to point out any areas where this may be necessarya All comments should b

4、e sent to the Cornittee Secretary Mr J B Attkins at the London/ XxYx address below. The comments received will be passed to the committee concerned for their consideration; no acknowledgement will nowally be sent. Requests for further copies of this draft should be sent to: Sales Administration (Dra

5、fts), BSI, Linford Wood, Milton Keynes MK14 6LE. ith an addressed label. Orders not accompanied by a remittance will be subject to a delay, THIS IS A DRAFT MUST NOT BE REGmED OR UCED AS A BRITISH STANDARD Head Office Manchester Office 2 Park Street London Wia 2BS Telephone 01629 9000 Telex 266933 BC

6、ILON G Head Office 3 York Street Manchester M2 2AT Telephone 061-832 3731 Telex 665969 BSIMAN G 825777 BSMK G Sales , L3iL Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without l

7、icense from IHS-,-,-This draft standard is based dimensions, tolerances and masses shall conform with the figure and the table, Details of form, not stated are at the manufacturers option, 3.2 Material Nut: Washer: Heat resisting steel FE-PA92 #T according to EN3638 or steel FE-PA15. Heat resisting

8、steel FE-PA92 HT according to EN2399, EN3638 or E 3.3 Surface treatment Nut: None Washer: Passivated to EN2516 i) Published as AECMA standard. 2) In preparation, 3) Published as AECMA pre-standard. cr i- I , - Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS

9、under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-?-EN 3033 Page 4 Ttiread 1) ignetion I OB0 I MJBxl,OH5H 1) Thread in conformity with 1SOSB55 part I and part Z In the elf-Iocking zow* the rs apply before forming out-of-round. 2) Across fiata

10、dimensions appiy tefore forming out-of-round, but finished nuts wrench. 3) Wrench ped engagement. 4) TBS values apply before forming out-of-rounde cr Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or net

11、working permitted without license from IHS-,-,-prtN 3b33 ?oc? 5 Each hexagonal nut shall only bk designated as in the following examples Description block 1 Identity block Thread code (see table i) Note - If necessary, the design code I9005 may be introduced bewR the description block and the identi

12、ty block. .q Each hexagonal nut shall be marked in accordance to EN2424, class F. The hexagonal nuts shall conform to the requirements of EN3152. 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-,-,-