1、 AEROSPACE STANDARD NUT, RETAINED, SHORT FLARELESS AS4702Copyright 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 otherwise, witho
2、ut 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 1992-07REVISED 1994-12 REAFFIRMED 2015-04THIRD ANGLE PROJECTION CU
3、STODIAN: G-3/G-3B REV.A FEDERAL SUPPLY CLASS 4730AS4702 SHEET 1 OF 3 REV. A PROCUREMENT SPECIFICATION: /4/ MIL-F-18280SAE Technical Standards Board Rules provide that: “This report ispublished by SAE toadvance thestate of technicalandengineering sciences. Theuse ofthisreport is entirelyvoluntary, an
4、dits 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 yourwrittencomment
5、s andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS4702A RATIONALE AS4702A HAS BEEN REAFFIRMED TO COMPLY WITH THE SAE FIVE-YEAR REVIEW POLICY. FIGURE 1 - NUT, RETAINEDTABLE 1 - DIMENSIONS AND WEIGHTSAEROSPACE STA
6、NDARD AS4702 SHEET 2 OF 3 REV. A NUT, RETAINED, SHORT FLARELESS NOTES:/1/ MATERIAL:a. CODE LETTER T: TYPE 6AL-4V TITANIUM ALLOY BAR PER AMS 4928b. CODE LETTER V: TYPE 15-5PH CORROSION RESISTANT STEEL BAR PER AMS 5659c. CODE LETTER W: TYPE 7075-T7351 ALUMINUM ALLOY BAR PER AMS 41242. HEAT TREATMENT:a
7、 MATERIAL CODE LETTER T: NONEb. MATERIAL CODE LETTER V: HEAT TREAT TO CONDITION H-1075 PER AMS 2759/3c. MATERIAL CODE LETTER W: NONE/3/ FINISH:a. MATERIAL CODE LETTER T - FLUORIDE PHOSPHATE CONVERSION COAT IN ACCORDANCE WITH AMS 2486. APPLY DRY FILM LUBRICANT PER MIL-L-46010, TYPE I TO THE INSIDE O
8、F THE NUT. MINOR OVERSPRAY IS PERMITTED.b. MATERIAL CODE LETTER V:(1) V CODE PARTS TO BE PASSIVATED ONLY WILL HAVE NO FINISH CODE LETTER AFTER THE SIZE CODE IN THE PART NUMBER. THE FINISH WILL BE: PASSIVATE PER QQ-P-35, TYPE II OR VIII. APPLY DRY FILM LUBRICANT PER MIL-L-46010, TYPE I TO THE INSIDE
9、OF THE NUT. MINOR OVERSPRAY IS PERMITTED.(2) V CODE PARTS TO BE CADMIUM PLATED ONLY WILL HAVE THE FINISH CODE LETTER “P” AFTER THE SIZE CODE IN THE PART NUMBER. THE FINISH WILL BE: CADMIUM PLATE PER QQ-P-416, TYPE II, CLASS2.c. MATERIAL CODE LETTER W: ANODIZE PER AMS 2472 OR PER MIL-A-8625, TYPE II,
10、 CLASS 2 DYED BROWN SIMILAR TO COLOR 10080 OF FED-STD-595. APPLY DRY FILM LUBRICANT PER MIL-L-46010, TYPE I TO THE INSIDE OF THE NUT. MINOR OVERSPRAY IS PERMITTED./4/ PROCUREMENT SPECIFICATION: MIL-F-18280 EXCEPT AS SPECIFIED ON THIS STANDARD. THIS PART SHALL BE QUALIFIED TO THE PROCUREMENT SPECIFIC
11、ATION AS APPLICABLE IN A COMPLETE ASSEMBLY. 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. NAME, TRADEMARK OR CAGE CODE, BASIC PART NUMB
12、ER, AND MATERIAL CODE LETTER.6. THIS PART IS DESIGNED FOR USE WITH AS4701 WIRE AND AS4703 FITTING END IN SYSTEMS WITH OPERATING PRESSURES AS FOLLOWS:a. SIZES -20 AND -24 TITANIUM ALLOY AND CORROSION RESISTANT STEEL AT 3000 psib. SIZE -28 TITANIUM ALLOY AND CORROSION RESISTANT STEEL AND SIZES -20, -2
13、4, AND -28 ALUMINUM ALLOY AT 600 psi7. THE (R) 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 SPECIFICATION. IF THE SYMBOL IS NEXT TO THE SPECIFICATION TITLE, IT INDICATES A COMPLETE REVISION OF THE
14、REPORT.8. INVENTORIED PARTS CONFORMING TO THE PREVIOUS “LETTER CHANGE” MAY BE USED TO DEPLETION.9. INTERPRETATION OF DRAWING PER ARP4296.10. SURFACE TEXTURE: SYMBOLS PER ANSI Y14.36; REQUIREMENTS PER ANSI/ASME B46.1. UNLESS OTHERWISE SPECIFIED, MACHINED SURFACES TO BE 125 in Ra.11. BREAK EDGES .003
15、TO .015 UNLESS OTHERWISE SPECIFIED.AEROSPACE STANDARD AS4702 SHEET 3 OF 3 REV. A NUT, RETAINED, SHORT FLARELESS NOTES (Continued):12. DIMENSIONING AND TOLERANCING: ANSI Y14.5M13. DIMENSIONS IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS .010, ANGULAR DIMENSIONS 5./14/ EXAMPLE OF PART NUMBER:
