1、 AEROSPACE STANDARD TERMINAL JUNCTION SYSTEM, TERMINAL JUNCTION BLOCKS, SECTIONAL, MODULES, ELECTRONIC, FEEDBACK TYPE, SIZE 12, SERIES I AS81714/20Copyright 2012 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any
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3、ttp:/www.sae.org ISSUED 2001-07REAFFIRMED 2012-01THIRD ANGLE PROJECTION CUSTODIAN: AE-8C2 FEDERAL SUPPLY CLASS 5940 AS81714/20SHEET 1 OF 4 SAE Technical Standards Board Rules provide that: “This report ispublishedby SAE toadvance thestate of technicalandengineering sciences. Theuse ofthis report is
4、entirely voluntary, andits applicability and suitability forany particular use,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 in
5、vites yourwrittencomments andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS81714/20 RATIONALE AS81714/20 HAS BEEN REAFFIRMED TO COMPLY WITH THE SAE FIVE-YEAR REVIEW POLICY. NOTICETHIS DOCUMENT HAS BEEN TAKEN DIRE
6、CTLY FROM U.S. MILITARY SPECIFICATION MIL-T-81714/20B AND CONTAINS ONLY MINOR EDITORIAL AND FORMAT CHANGES REQUIRED TO BRING IT INTO CONFORMANCE WITH THE PUBLISHING REQUIREMENTS OF SAE TECHNICAL STANDARDS. THE INITIAL RELEASE OF THIS DOCUMENT IS INTENDED TO REPLACE MIL-T-81714/20B. ANY PART NUMBERS
7、ESTABLISHED BY THE ORIGINAL SPECIFICATION REMAIN UNCHANGED.THE ORIGINAL MILITARY SPECIFICATION WAS ADOPTED AS AN SAE STANDARD UNDER THE PROVISIONS OF THE SAE TECHNICAL STANDARDS BOARD (TSB) RULES AND REGULATIONS (TSB 001) PERTAINING TO ACCELERATED ADOPTION OF GOVERNMENT SPECIFICATIONS AND STANDARDS.
8、 TSB RULES PROVIDE FOR (A) THE PUBLICATION OF PORTIONS OF UNREVISED GOVERNMENT SPECIFICATIONS AND STANDARDS WITHOUT CONSENSUS VOTING AT THE SAE COMMITTEE LEVEL, AND (B) THE USE OF THE EXISTING GOVERNMENT SPECIFICATION OR STANDARD FORMAT.UNDER DEPARTMENT OF DEFENSE POLICIES AND PROCEDURES, ANY QUALIF
9、ICATION REQUIREMENTS AND ASSOCIATED QUALIFIED PRODUCTS LISTS ARE MANDATORY FOR DOD CONTRACTS. ANY REQUIREMENT RELATING TO QUALIFIED PRODUCTS LISTS (QPLS) HAS NOT BEEN ADOPTED BY SAE AND IS NOT PART OF THIS SAE TECHNICAL DOCUMENT.AEROSPACE STANDARD AS81714/20SHEET 2 OF 4 TERMINAL JUNCTION SYSTEM, TER
10、MINAL JUNCTION BLOCKS, SECTIONAL, MODULES, ELECTRONIC, FEEDBACK TYPE, SIZE 12, SERIES I THE COMPLETE REQUIREMENTS FOR ACQUIRING THE BLOCKS DESCRIBED HEREIN SHALL CONSIST OF THIS DOCUMENT AND THE LATEST ISSUE OF SPECIFICATION MIL-T-81714.AEROSPACE STANDARD AS81714/20SHEET 3 OF 4 TERMINAL JUNCTION SYS
11、TEM, TERMINAL JUNCTION BLOCKS, SECTIONAL, MODULES, ELECTRONIC, FEEDBACK TYPE, SIZE 12, SERIES I FIGURE 1. BLOCKS WITH DIODE.TABLE I. DASH NUMBERS FOR FIGURE 1.AEROSPACE STANDARD AS81714/20SHEET 4 OF 4 TERMINAL JUNCTION SYSTEM, TERMINAL JUNCTION BLOCKS, SECTIONAL, MODULES, ELECTRONIC, FEEDBACK TYPE,
12、SIZE 12, SERIES I NOTES:1. DIMENSIONS ARE IN INCHES.2. THIS BLOCK IS DESIGNED FOR INSTALLATION IN THE MIL-T-81714/5 RACK AND MIL-T-81714/16 RACK WITH ITS INDEXING INDICATOR ADJACENT TO THE INDEXING RACK RAIL. THIS BLOCK CAN ALSO BE INSTALLED IN MIL-T-81714/29 BRACKETS.3. TOOL FOR CONTACT INSERTING/R
13、EMOVAL IS M81969/14-04 AND SHALL BE ORDERED SEPARATELY.4. METRIC EQUIVALENTS (TO THE NEAREST .01 MM) ARE GIVEN FOR GENERAL INFORMATION ONLY AND ARE BASED UPON 1 INCH = 25.4 MM.5. THE PART NUMBER CONSISTS OF THE LETTER M, SPECIFICATION SHEET NUMBER, BLOCK CLASS, AND ELECTRONIC COMPONENT/CIRCUIT DASH NUMBER (SEE TABLE I).PART NUMBER EXAMPLE:M81714/20-D-001FEEDBACK TYPE ELECTRONIC BLOCK, SIZE 12, CLASS D WITH -001 CIRCUIT (ONE JAN 1N3618 DIODE).6. CLASSES A, B AND C COMPONENTS ARE INACTIVE FOR NEW DESIGN. ONLY CLASS D COMPONENTS SHALL BE USED FOR DIRECT GOVERNMENT ACQUISITION.
