1、Copyright 2001 Society of Automotive Engineers, Inc. Printed in the U.S.A.All rights reserved.TO PLACE A DOCUMENT ORDER: (724) 776-4970 FAX: (412) 776-0790 SAE WEB ADDRESS: http:/www.sae.org400 Commonwealth Drive, Warrendale, PA 15096-0001SAE Technical Standards Board Rules providethat: “This report
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3、tleastevery five years atwhich timeitmay bereaffirmed,revised, or cancelled.SAE invites yourwritten comments and suggestions.SHEET 1 OF 2MA2012REV.BTHIRD ANGLE PROJECTIONAEROSPACE STANDARDMA2012REV.BISSUED 1982-09 REVISED 1997-09 REAFFIRMED 2001-12(R) PORT, INTERNAL, STRAIGHT THREAD, FITTINGCONNECTI
4、ON, DESIGN STANDARD, METRICCUSTODIAN: SAE G-3/G-3B /7/ PROCUREMENT SPECIFICATION: NONE /2/FEDERAL SUPPLY CLASS 4730FIGURE 1 - PORTTABLE 1 - DIMENSIONSBASIC NO.MA2012/15/SIZE CODE(NOMINALTUBESIZE DN)/1/T THREADPER MA1370(ISO 5855-3)4H5H /6/ B C D E FU/3/ V W03 3 MJ 8 X 1 2.1 8.6 - 8.7 11.5 11.0 2.5 1
5、5 14.5 0.0804 4 MJ 8 X 1 2.1 8.6 - 8.7 11.5 11.0 3.5 15 14.5 0.0805 5 MJ 10 X 1 2.3 10.6 - 10.7 13.5 11.0 4.2 18 14.5 0.0806 6 MJ 12 X 1.25 2.1 12.6 - 12.7 15.5 12.5 5.2 20 16.5 0.0808 8 MJ 14 X 1.5 3.6 14.60 - 14.75 18.5 16.0 7.0 23 20.5 0.1010 10 MJ 16 X 1.5 3.6 16.60 - 16.75 20.5 16.0 9.0 25 20.5
6、 0.1012 12 MJ 18 X 1.5 3.6 18.60 - 18.75 22.5 16.0 10.8 28 20.5 0.1014 14 MJ 20 X 1.5 3.6 20.60 - 20.75 24.5 16.0 12.6 31 20.5 0.1016 16 MJ 22 X 1.5 3.6 22.60 - 22.75 26.5 16.0 14.4 31 20.5 0.1018 18 MJ 24 X 1.5 3.6 24.60 - 24.75 28.5 16.0 16.0 33 20.5 0.1020 20 MJ 27 X 1.5 3.6 27.60 - 27.75 31.5 16
7、.0 18.0 37 20.5 0.1025 25 MJ 33 X 1.5 3.6 33.60 - 33.75 37.5 16.0 22.4 42 20.5 0.2032 32 MJ 42 X 2 4.5 43.00 - 43.15 47.3 20.0 29.2 53 26.0 0.2040 40 MJ 50 X 2 4.5 51.00 - 51.15 55.3 20.0 36.8 61 26.0 0.20Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction
8、 or networking permitted without license from IHS-,-400 Commonwealth Drive, Warrendale, PA 15096-0001PORT, INTERNAL, STRAIGHT THREAD, FITTINGCONNECTION, DESIGN STANDARD, METRICAEROSPACE STANDARDMA2012SHEET 2 OF 2MA2012REV.BREV. B(R)NOTES:/1/ DN = NOMINAL TUBE OUTSIDE DIAMETER./2/ THIS DESIGN STANDAR
9、D IS FOR USE WITH FITTINGS PER MA2005 (ISO 7169)./3/ MINIMUM DIAMETER FLAT SURFACE. CLEARANCE PROVISIONS FOR FITTING, WRENCH, FITTING INSTALLATIONS AND TOOL FILLET RADII MUST BE ADDED AS REQUIRED. U DIAMETER MAY BE REDUCED BY 1.5 WHEN IT DEFINES THE LIMITS OF A RAISED SURFACE AND WHEN STRENGTH REQUI
10、REMENTS PERMIT./4/ THROUGH THREAD DESIGN SHALL HAVE SUFFICIENT THREADS TO MEET STRENGTH REQUIREMENT FOR MATERIAL USED.5. E DIMENSION IS THE FULL THREAD DEPTH REQUIREMENT FOR BLIND TAP DESIGN./6/ THREAD GAGING SHALL BE IN ACCORDANCE WITH MA1566./7/ REVISIONS OF THIS STANDARD SHALL BE COORDINATED WITH
11、 SAE COMMITTEE E-25.8. THE 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 TO THE LEFT OF THE DOCUMENT TITLE INDICATES A COMPLETE RE
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13、ED SURFACES TO BE 3.2 m Ra.12. BREAK EDGES 0.1 TO 0.4 UNLESS OTHERWISE SPECIFIED.13. DIMENSIONING AND TOLERANCING: ASME Y14.5M-199414. DIMENSIONS IN MILLIMETERS. UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS 0.2, ANGULAR DIMENSIONS 030./15/Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-
