1、 AEROSPACE STANDARD FITTING END, ACORN, SHORT FLARELESS, DESIGN STANDARD AS4703Copyright 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, recordin
2、g, 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 ISSUED 1992-04REVISED 1993-04 REAFFIRMED 2015-04THI
3、RD ANGLE PROJECTION CUSTODIAN: G-3/G-3B REV.A FEDERAL SUPPLY CLASS 4730AS4703 SHEET 1 OF 2 REV. A PROCUREMENT SPECIFICATION: NONESAE Technical Standards Board Rules provide that: “This report ispublished by SAE toadvance thestate of technicalandengineering sciences. Theuse ofthisreport is entirelyvo
4、luntary, andits applicability and suitability forany particularuse,including any patent infringement arising therefrom, isthe soleresponsibilityofthe user.”SAE reviews eachtechnicalreport at least every five years at which time itmay berevised,reaffirmed, stabilized, orcancelled. SAE invites yourwri
5、ttencomments andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS4703A RATIONALE AS4703A HAS BEEN REAFFIRMED TO COMPLY WITH THE SAE FIVE-YEAR REVIEW POLICY. FIGURE 1 - FITTING END, STYLE A RETAINED WIRE NUT DESIGNFI
6、GURE 2 - FITTING END, STYLE BSAME AS STYLE A, EXCEPT AS SHOWNSLIP ON NUT DESIGNAEROSPACE STANDARD AS4703 SHEET 2 OF 2 REV. A FITTING END, ACORN, SHORT FLARELESS, DESIGN STANDARD TABLE 1 - DIMENSIONSNOTES:1. THIS FITTING END IS DESIGNED FOR USE IN SYSTEMS WITH OPERATING PRESSURES AS FOLLOWS:a. SIZES
7、-20 AND -24 TITANIUM ALLOY AND CORROSION RESISTANT STEEL AT 3000 psib. SIZES -20 AND -24 ALUMINUM ALLOY AT 600 psiTHIS DESIGN STANDARD IS FOR USE WITH SHORT FLARELESS FITTINGS PER AS4658 THROUGH AS4702. THIS FITTING END MATES WITH AS4658 FITTING END DESIGN. FITTING ENDS PER STYLE A ARE INTENDED FOR
8、USE WITH AS4702 RETAINED WIRE NUTS OR EQUIVALENT. FITTING ENDS PER STYLE B ARE INTENDED FOR USE WITH AS4660 SLIP ON NUTS OR EQUIVALENT.2. INVENTORIED PARTS WITH FITTING ENDS CONFORMING TO THE PREVIOUS “LETTER CHANGE” OF THIS STANDARD MAY BE USED TO DEPLETION.3. INTERPRETATION OF DRAWING PER ARP4296.
9、 4. SURFACE TEXTURE: SYMBOLS PER ANSI Y14.36; REQUIREMENTS PER ANSI/ASME B46.1. UNLESS OTHERWISE SPECIFIED, MACHINED SURFACES TO BE 125 in.5. BREAK EDGES .003 TO .015 UNLESS OTHERWISE SPECIFIED.6. DIMENSIONING AND TOLERANCING: ANSI Y14.5M.7. DIMENSIONS IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS .010, ANGULAR DIMENSIONS 5./8/ EXAMPLE OF DRAWING CALLOUT:a. TABULATED PART DRAWING: FITTING END PER AS4658 STYLE Gb. INDIVIDUAL PART DRAWING:
