1、 AEROSPACE STANDARD FITTING, ELBOW, 90 , BULKHEAD, FLARED TO HOSE AS5181Copyright 2015 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, electronic, mechanical, photocopying, recording, or o
2、therwise, 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 ISSUED 2000-01REAFFIRMED2015-04THIRD ANGLE PROJECTION CUST
3、ODIAN: G-3/G-3B FEDERAL SUPPLY CLASS 4730AS5181 SHEET 1 OF 3 PROCUREMENT SPECIFICATION: /4/ AS4843/1SAE Technical Standards Board Rules provide that: “This report ispublishedby SAE toadvance thestate of technicalandengineering sciences. Theuse ofthisreportis entirelyvoluntary, andits applicability a
4、nd suitability forany particular use,including any patent infringement arising therefrom, is thesole responsibilityoftheuser.”SAE reviews eachtechnicalreport at least every five years at which time itmay berevised,reaffirmed, stabilized, orcancelled. SAE invites yourwrittencomments andsuggestions. S
5、AE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS5181 RATIONALE AS5181 HAS BEEN REAFFIRMED TO COMPLY WITH THE SAE FIVE-YEAR REVIEW POLICY. FIGURE 1 - FITTING, ELBOW, 90TABLE 1 - DIMENSIONS AND WEIGHTSAEROSPACE STANDARD AS5181 SHE
6、ET 2 OF 3 FITTING, ELBOW, 90 , BULKHEAD, FLARED TO HOSE NOTES:/1/ MATERIAL:a. DASH AS CODE LETTER - CARBON STEEL FORGING OR BAR, TYPE 4130 PER AMS-S-6758 OR AMS 6370, OR TYPE 4140 PER AMS 6382. /2/b. CODE LETTER B - TYPE 377 COPPER ALLOY FORGING PER ASTM B 124 OR AMS 4614 OR HALF HARD FORGING OR BAR
7、 PER ASTM B 138.c. CODE LETTER D - TYPE 2014-T6 ALUMINUM ALLOY FORGING PER AMS 4134, OR TYPE 2024-T6 ALUMINUM ALLOY BAR PER AMS-QQ-A-225/6 OR AMS 4339. /2/d. CODE LETTER J - TYPE 304 CORROSION RESISTANT STEEL FORGING OR BAR PER QQ-S-763 OR AMS 5639.e. CODE LETTER K - TYPE 316 CORROSION RESISTANT STE
8、EL FORGING OR BAR PER QQ-S-763 OR AMS 5648.f. CODE LETTER R - TYPE 321 CORROSION RESISTANT STEEL FORGING OR BAR PER QQ-S-763 OR AMS 5645.g. CODE LETTER W - TYPE 7075-T73 ALUMINUM ALLOY FORGING PER AMS 4141, OR TYPE 7075-T73 ALUMINUM ALLOY BAR PER AMS-QQ-A-225/9, OR TYPE 7075-T7351 ALUMINUM ALLOY BAR
9、 PER AMS 4124. /2/2/ HEAT TREATMENT:a. DASH AS CODE LETTER - SEE HARDNESS REQUIREMENT PER PROCUREMENT SPECIFICATION.b. CODE LETTERS D AND W - SEE ELECTRICAL CONDUCTIVITY AND HARDNESS REQUIREMENT PER PROCUREMENT SPECIFICATION.c. OTHER CODE LETTERS - NONE.3. FINISH:a. DASH AS CODE LETTER - CADMIUM PLA
10、TE PER QQ-P-416, TYPE II, CLASS 2, DYE BLACK AND COAT WITH A LIGHT FILM OF OIL PER PROCUREMENT SPECIFICATION.b. CODE LETTER B - CADMIUM PLATE PER QQ-P-416, TYPE II, CLASS 3 OR NONE.c. CODE LETTER D - ANODIZE PER MIL-A-8625, TYPE II, CLASS 2, DYE BLUE, DUPLEX SEAL PER PROCUREMENT SPECIFICATION.d. COD
11、E LETTERS J, K AND R - PASSIVATE PER AMS-QQ-P-35, TYPE VI OR VII.e. CODE LETTER W - ANODIZE PER MIL-A-8625, TYPE II, CLASS 2, DYE BROWN, DUPLEX SEAL PER PROCUREMENT SPECIFICATION./4/ PROCUREMENT SPECIFICATION: AS4843/1 EXCEPT AS SPECIFIED ON THIS STANDARD. THIS PART SHALL BE QUALIFIED TO THE PROCURE
12、MENT SPECIFICATION IN A COMPLETE ASSEMBLY AS APPLICABLE. USERS OF THIS STANDARD ARE ADVISED TO CONTROL SOURCE APPROVAL(S) BY STANDARD PAGE SUPPLEMENT SHEET OR SIMILAR MEANS./5/ IDENTIFICATION AT LOCATION SHOWN: MARK PER AS478 CLASS C OR D OR METHOD 7A3, 15A3, OR 15B.a. FOR SIZE 06 AND SMALLER: MANUF
13、ACTURERS NAME, CAGE CODE OR TRADEMARK, LETTER “AS” AND MATERIAL CODE LETTER.b. FOR SIZE 08 AND LARGER: MANUFACTURERS NAME, CAGE CODE OR TRADEMARK, BASIC PART NUMBER AND MATERIAL CODE LETTER.6. INTENDED USE: THIS PART IS DESIGNED FOR USE IN SYSTEMS WITH A MAXIMUM OPERATING PRESSURE OF 600 psi. THIS S
14、TANDARD IS THE FUNCTIONAL EQUIVALENT OF AN838 AND IS INTENDED TO BE SUITABLE AS A REPLACEMENT STANDARD.7. WHEN MACHINED FROM BAR OR OVERSIZED FORGING, THE CENTER BODY DIMENSIONS SHALL CONFORM TO AS1376, TABLE 1.8. INTERPRETATION OF DRAWING PER ARP4296.9. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M; RE
15、QUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, MACHINED SURFACES TO BE 125 in Ra. FORGED SURFACES MAY BE 250 in Ra.10. BREAK EDGES .003 TO .015 UNLESS OTHERWISE SPECIFIED.11. DIMENSIONING AND TOLERANCING: ASME Y14.5M-1994.12. DIMENSIONS IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS .023, ANGULAR DIMENSIONS 030.AEROSPACE STANDARD AS5181 SHEET 3 OF 3 FITTING, ELBOW, 90 , BULKHEAD, FLARED TO HOSE /13/ EXAMPLE OF PART NUMBER:
