1、AEROSPACE STANDARD FERRULE, INNER, UNINSULATED, SHIELD TERMINATING , TYPE I, TWO PIECE, CLASS I, FOR SHIELDED CABLES AS21981Copyright 2011 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, e
2、lectronic, mechanical, photocopying, recording, 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
3、 2011-09THIRD ANGLE PROJECTION CUSTODIAN: AE-8C2 FEDERAL SUPPLY CLASS 5940 AS21981SHEET 1 OF 3PROCUREMENT SPECIFICATION: AS21608SAE Technical Standards Board Rules provide that: “This report ispublishedby SAE toadvance thestate of technicalandengineering sciences. Theuse ofthis report is entirely vo
4、luntary, 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 bereaffirmed, revised, orcancelled. SAE invites yourwrittencommen
5、ts andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS21981RATIONALE DOCUMENT REQUIRED TO PROVIDE FOR SUPERSESSION OF MS21981 NOTICE THE REQUIREMENTS FOR ACQUIRING THE COMPONENTS DESCRIBED HEREIN SHALL CONSIST OF T
6、HIS SPECIFICATION AND THE LATEST ISSUE OF AS21608 FIGURE 1 - INNER FERRULE CONFIGURATION REQUIREMENT (SEE AS21608) 1. BASE MATERIAL SHALL BE BRASS ALLOY WITH ROCKWELL HARNESS B61 TO B90. FINISH SHALL BE TIN IN ACCORDANCE WITH ASTM B545 TIN OR ASTM B339 AS APPLICABLE. 2. DIMENSIONS IN INCHES SHALL BE
7、 IN ACCORDANCE WITH TABLE 1. 3. MARKING SHALL BE COLOR CODED IN ACCORDANCE WITH TABLE 1. 4. REMOVE ALL BURRS AND SHARP EDGES. CHAMFER OR ROUND EDGES IS ACCEPTABLE. 5. REQUIRED CRIMP TOOLS ARE M22520/5 OR /10 WITH VARIOUS DIES AS SPECIFIED. IF CLASS II TOOLS ARE USED (QUALIFICATION CERTIFICATION REQU
8、IRED), SUPPLIER SHALL MAKE AVAILABLE TO THE USER, COMPLETE DETAILS OF THE TOOLS REQUIRED FOR TERMINATION OF FERRULE. 6. SUPPLIER NAME OR SYMBOL IN ACCORDANCE AIR1353 AND PART NUMBER REQUIRED ON UNIT PACKAGING. 7. PART NUMBER MS21981 -046I I_ FERRULE DASH NUMBER (SEE TABLE 1) I_ MS PART NUMBER PREFIX
9、 AND AS21981 DETAIL SPECIFICATION NUMBER APPLICATIONS 1. AS18121 OUTER FERRULE IS USED WITH AS21981 INNER FERRULE AS INSULATION REPLACEMENT. 2. AS21980 OUTER FERRULE IS USED WITH AS21981 INNER FERRULE AS UN-INSULATED REPLACEMENT. 3. AS21981 INNER TO AS21980 OUTER FERRULE COMBINATIONS ARE IN ACCORDAN
10、CE WITH TABLE 2. 4. AS21981 IS ONLY USED FOR REPLACEMENT IN U.S. MILITARY APPLICATIONS (SEE AS83519). 5. TIN PLATE CONFIGURATIONS NOT FOR SPACE APPLICATIONS. AS21608 DOES NOT RESTRICT THE USE OF PURE TIN FINISHES WHICH MAY CAUSE TIN WHISKER GROWTH. FOR MORE INFORMATION ON TIN WHISKERS, SEE AIR5444.
11、AEROSPACE STANDARD AS21981SHEET 2 OF 3FERRULE, INNER, UNINSULATED, SHIELD TERMINATING , TYPE I, TWO PIECE, CLASS I, FOR SHIELDED CABLES SUPERSESSION1. THE MILITARY STANDARD (MS) FERRULE SPECIFICATIONS MS21980, MS21981, AND MS18121 ARE SUPERSEDED BY AS21980, AS21981, AND AS18121 RESPECTIVELY. 2. THE
12、MILITARY SUPERSEDED MS25311 PART NUMBERS BY MS21981 AND MS21980 PART NUMBERS AS INDICATED IN TABLE 3. TABLE 1- INNER FERRULE DIMENSIONS AND MARKING MS21981DASHNO. COLOR CODE A DIA. B DIA. MIN MAX MIN MAX -046 NO COLOR .043 .049 .067 .073 -058 YELLOW .055 .061 .080 .086 -063 RED .060 .066 .085 .091 -
13、071 GREEN .068 .074 .093 .099 -080 BLUE .077 .083 .101 .107 -090 ORANGE .087 .093 .111 .117 -096 PURPLE .093 .099 .116 .122 -101 YELLOW .098 .104 .121 .127 -109 RED .106 .112 .128 .134 -115 NO COLOR .112 .118 .143 .149 -124 GREEN .121 .127 .142 .148 -128 NO COLOR .125 .131 .149 .155 -134 ORANGE .131
14、 .137 .153 .159 -149 BLUE .146 .152 .176 .182 -156 RED .153 .159 .189 .195 -165 NO COLOR .162 .168 .191 .197 -175 GREEN .172 .178 .212 .218 -187 YELLOW .184 .190 .224 .230 -194 BLUE .191 .197 .222 .229 -205 ORANGE .202 .208 .242 .248 -219 NO COLOR .216 .222 .240 .253 -225 YELLOW .222 .228 .253 .259
15、-232 RED .229 .235 .260 .266 -250 GREEN .247 .253 .278 .284 -261 BLUE .258 .264 .294 .300 -266 NO COLOR .263 .269 .294 .300 -275 ORANGE .272 .278 .303 .309 -281 YELLOW .278 .284 .328 .334 -287 NO COLOR .284 .290 .324 .330 -297 RED .294 .300 .332 .338 -312 PURPLE .309 .315 .359 .365 -348 ORANGE .345
16、.351 .397 .403 -375 BLUE .372 .378 .403 .409 AEROSPACE STANDARD AS21981SHEET 3 OF 3FERRULE, INNER, UNINSULATED, SHIELD TERMINATING , TYPE I, TWO PIECE, CLASS I, FOR SHIELDED CABLES TABLE 2- AS21981 INNER TO AS21980 OUTER FERRULE COMBINATIONS UN-INSULATED TWO-PIECE COMBINATION (REF) MS21981 INNER FER
17、RULE DASH NO. MS21980 OUTER FERRULE DASH NO. -058 -128, -149, -156 -063 -156, -175-080 -156, -175, -187 -101 -187, -194, -199 -115 -199, -205, -219 -134 -225, -232, -261 -156 -232, -261, -275 -175, -187 -287, -297 -205, -219 -312, -327, -348 TABLE 3 MS25311 PART NUMBER SUPERSESSION SUPERSEDEDMS25311
18、 ONE-PIECE FERRULE DASHNO. REPLACED BY TWO-PIECE COMBINATION (REF) MS21981 INNER FERRULE DASH NO. MS21980 OUTER FERRULE DASH NO. -90 -058 -128, -149, -156 -100 -063 -156, -175-110 -080 -156, -175, -187 -120 -101 -187, -194, -199 -130 -115 -199, -205, -219 -150 -134 -225, -232, -261 -160 -156 -232, -261, -275 -180 -175, -187 -287, -297 -200 -205, -219 -312, -327, -348
