SAE MA 3281C-2016 INSERT SCREW THREAD HELICAL COIL METRIC SERIES FREE RUNNING CRES CADMIUM PLATED.pdf

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1、 METRIC AEROSPACE STANDARD INSERT, SCREW THREAD, HELICAL COIL, METRIC SERIES, FREE RUNNING, CRES, CADMIUM PLATED MA3281Copyright 2016 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electr

2、onic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-4970 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org ISSUED1981-

3、09 REAFFIRMED2006-05 REVISED2016-02 THIRD ANGLE PROJECTION CUSTODIAN: E-25 REV.C FEDERAL SUPPLY CLASS MA3281 SHEET 1 OF 5 REV. C PROCUREMENT SPECIFICATION: MA1565 SAE Technical Standards BoardRules providethat:“This reportis publishedbySAE toadvancethestateoftechnicalandengineering sciences. The use

4、 of this report isentirely voluntary, anditsapplicability andsuitability for any particularuse, includingany patentinfringement arising therefrom,is the soleresponsibility of theuser.”SAE reviews eachtechnical reportatleast every fiveyears atwhichtimeitmay berevised,reaffirmed, stabilized,orcancelle

5、d. SAE invites yourwrittencomments andsuggestions.SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/MA3281C RATIONALE NOTES UPDATED, CADMIUM PLATE WARNING NOTE ADDED, NOTE RELATING TO STOCK USEAGE ADDED. FIGURE 1 METRIC AEROSPACE

6、STANDARD MA3281 SHEET 2 OF 5 REV. C INSERT, SCREW THREAD, HELICAL COIL, METRIC SERIES, FREE RUNNING, CRES, CADMIUM PLATED TABLE 1 METRIC AEROSPACE STANDARD MA3281 SHEET 3 OF 5 REV. C INSERT, SCREW THREAD, HELICAL COIL, METRIC SERIES, FREE RUNNING, CRES, CADMIUM PLATED TABLE 1 (CONTINUED) METRIC AERO

7、SPACE STANDARD MA3281 SHEET 4 OF 5 REV. C INSERT, SCREW THREAD, HELICAL COIL, METRIC SERIES, FREE RUNNING, CRES, CADMIUM PLATED TABLE 1 (CONTINUED) METRIC AEROSPACE STANDARD MA3281 SHEET 5 OF 5 REV. C INSERT, SCREW THREAD, HELICAL COIL, METRIC SERIES, FREE RUNNING, CRES, CADMIUM PLATED NOTES: NOTICE

8、 THIS DOCUMENT REFERENCES A PART WHICH CONTAINS CADMIUM AS A PLATING MATERIAL. CONSULT LOCAL OFFICIALS IF YOU HAVE QUESTIONS CONCERNING CADMIUMS USE. 1. NOMINAL LENGTHS ARE REFERENCE AND EQUAL MINIMUM LENGTH OF FULL THREAD INTO WHICH MAXIMUM INSERT CAN BE ASSEMBLED. THEY ARE 1, 1.5, 2, 2.5, AND 3 TI

9、MES NOMINAL THREAD DIAMETER. SEE TABLE 1. 2. ASSEMBLED LENGTH OF INSERT TO BE AS SPECIFIED ON AEROSPACE STANDARD MA1567. 3. ASSEMBLED LENGTH OF INSERT TO BE MEASURED FROM NOTCH. 4. NUMBER OF FREE COILS TO BE COUNTED FROM NOTCH. 5. MATERIAL AND PROCUREMENT SPECIFICATION: MA1565, CRES 6. SURFACE TEXTU

10、RE: SYMBOLS PER ASME Y14.36M. REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, SURFACES TO BE 3.2 m Ra. 7. FINISH: CADMIUM PLATING PER AMS2400, TYPE II, EXCEPT THICKNESS SHALL BE A MAXIMUM OF 0.003 MM. 8. DIMENSIONING AND TOLERANCING: ANSI Y14.5M -1982 (ASME PUBLICATION). 9. LINEAR DIMENSION

11、S IN MILLIMETERS (MM). 10. INSERT CAN BE USED WITH M OR MJ EXTERNAL THREADS. 11. MARK PART NUMBER AND MANUFACTURERS IDENTIFICATION PER AS478-37. 12. DO NOT USE UNASSIGNED PART NUMBERS. 13. UNLESS OTHERWISE SPECIFIED, PART INVENTORY MANUFACTURED TO PREVIOUS REVISIONS OF THE APPLICABLE DRAWING OR SPEC

12、IFICATION MAY BE PROCURED AND USED UNTIL STOCK IS DEPLETED 14. REVISION INDICATOR: A CHANGE BAR (l) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF THE USER IN LOCATING AREAS WHERE TECHNICAL REVISIONS, NOT EDITORIAL CHANGES, HAVE BEEN MADE TO THE PREVIOUS ISSUE OF THIS DOCUMENT. AN (R) SYMBOL T

13、O THE LEFT OF THE DOCUMENT TITLE INDICATES A COMPLETE REVISION OF THE DOCUMENT, INCLUDING TECHNICAL REVISIONS. CHANGE BARS AND (R) ARE NOT USED IN ORIGINAL PUBLICATIONS NOR IN DOCUMENTS THAT CONTAIN EDITORIAL CHANGES ONLY. AS AND AMS ARE SAE INTERNATIONAL PUBLICATIONS. ASME IS AN AMERICAN SOCIETY OF MECHANICAL ENGINEERS PUBLICATION.