1、AEROSPACE STANDARD REDUCER, EXTERNAL THREAD, FLARELESS TUBE AS21916DCopyright 2008 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 other
2、wise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: 724-776-4970 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org ISSUED 1998-03REAFFIRMED 2007-07 REVISED 2008-06 THIRD ANGLE PROJ
3、ECTION CUSTODIAN: SAE G-3/G-3B FEDERAL SUPPLY CLASS 4730 AS21916D SHEET 1 OF 5PROCUREMENT SPECIFICATION: /10/ AS18280SAE TechnicalStandards Board Rules provide that: “This report is published by SAE toadvance thestate of technical andengineering sciences. Theuse of thisreport is entirely voluntary,
4、andits applicabilityandsuitability forany particularuse, including any patent infringement arising therefrom, is thesole responsibility oftheuser.” SAE reviews each technical report at least every five yearsat which time it may be reaffirmed, revised, orcancelled. SAE invites yourwritten commentsand
5、suggestions. RATIONALE1. NOTE 10: NEW WORDING FOR PROCUREMENT NOTE. 2. WARNING NOTE ADDED FOR RESTRICTED MATERIAL. 3. THE 5 IN NOTE 5 AND TABLE 1 IS CHANGED TO /5/. 4. ERROR CORRECTIONS. 5. TOLERANCES FOR HEX E CHANGED TO COMPLY WITH ARP1201. FIGURE 1 - REDUCER, EXTERNAL THREAD, FLARELESS TUBE ECopy
6、right SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AEROSPACE STANDARD REDUCER, EXTERNAL THREAD, FLARELESS TUBE AS21916D SHEET 2 OF 5TABLE 1A - DIMENSION E LARGE END SMALL END DASHNO./5/NOMINALTUBESIZET THRE
7、AD AS8879NOMINALTUBESIZER THREAD AS8879 E /4/ -3-2 .188 .3750-24 UNJF-3A .125 .3125-24 UNJF-3A .625 -4-2 .250 .4375-20 UNJF-3A .125 .3125-24 UNJF-3A .688 -4-3 .250 .4375-20 UNJF-3A .188 .3750-24 UNJF-3A .688 -5-4 .313 .5000-20 UNJF-3A .250 .4375-20 UNJF-3A .750 -6-2 .375 .5625-18 UNJF-3A .125 .3125-
8、24 UNJF-3A .813 -6-3 .375 .5625-18 UNJF-3A .188 .3750-24 UNJF-3A .813 -6-4 .375 .5625-18 UNJF-3A .250 .4375-20 UNJF-3A .813 -6-5 .375 .5625-18 UNJF-3A .313 .5000-20 UNJF-3A .813 -8-2 .500 .7500-16 UNJF-3A .125 .3125-24 UNJF-3A 1.000 -8-3 .500 .7500-16 UNJF-3A .188 .3750-24 UNJF-3A 1.000 -8-4 .500 .7
9、500-16 UNJF-3A .250 .4375-20 UNJF-3A 1.000 -8-5 .500 .7500-16 UNJF-3A .313 .5000-20 UNJF-3A 1.000 -8-6 .500 .7500-16 UNJF-3A .375 .5625-18 UNJF-3A 1.000 -10-4 .625 .8750-14 UNJF-3A .250 .4375-20 UNJF-3A 1.125 -10-6 .625 .8750-14 UNJF-3A .375 .5625-18 UNJF-3A 1.125 -10-8 .625 .8750-14 UNJF-3A .500 .7
10、500-16 UNJF-3A 1.125 -12-4 .750 1.0625-12 UNJ-3A .250 .4375-20 UNJF-3A 1.375 -12-5 .750 1.0625-12 UNJ-3A .313 .5000-20 UNJF-3A 1.375 -12-6 .750 1.0625-12 UNJ-3A .375 .5625-18 UNJF-3A 1.375 -12-8 .750 1.0625-12 UNJ-3A .500 .7500-16 UNJF-3A 1.375 -12-10 .750 1.0625-12 UNJ-3A .625 .8750-14 UNJF-3A 1.37
11、5 -16-4 1.000 1.3125-12 UNJ-3A .250 .4375-20 UNJF-3A 1.625 -16-10 1.000 1.3125-12 UNJ-3A .625 .8750-14 UNJF-3A 1.625 -16-12 1.000 1.3125-12 UNJ-3A .750 1.0625-12 UNJ-3A 1.625 -20-4 1.250 1.6250-12 UNJ-3A .250 .4375-20 UNJF-3A 1.875 -20-12 1.250 1.6250-12 UNJ-3A .750 1.0625-12 UNJ-3A 1.875 -20-16 1.2
12、50 1.6250-12 UNJ-3A 1.000 1.3125-12 UNJ-3A 1.875 -24-16 1.500 1.8750-12 UNJ-3A 1.000 1.3125-12 UNJ-3A 2.125 -24-20 1.500 1.8750-12 UNJ-3A 1.250 1.6250-12 UNJ-3A 2.125 Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without licen
13、se from IHS-,-,-AEROSPACE STANDARD REDUCER, EXTERNAL THREAD, FLARELESS TUBE AS21916D SHEET 3 OF 5TABLE 1B - DIMENSIONS K-S WEIGHT, LB/EA, APPROX, REF. DASHNO./5/K.010DIA N S.031 STEELALALLOY TIALLOY -3-2 .611 1.047 .547 .036 .014 .020 -4-2 .674 1.094 .594 .042 .016 .024 -4-3 .674 1.141 .594 .046 .01
14、7 .026 -5-4 .736 1.156 .563 .065 .019 .037 -6-2 .799 1.156 .625 .066 .021 .038 -6-3 .799 1.203 .625 .067 .023 .038 -6-4 .799 1.219 .625 .068 .024 .039 -6-5 .799 1.219 .625 .070 .025 .040 -8-2 .985 1.250 .719 .101 .037 .058 -8-3 .985 1.297 .719 .108 .038 .062 -8-4 .985 1.344 .719 .115 .039 .066 -8-5
15、.985 1.344 .719 .118 .040 .068 -8-6 .985 1.344 .719 .120 .042 .069 -10-4 1.111 1.438 .781 .155 .053 .089 -10-6 1.111 1.625 .781 .204 .072 .117 -10-8 1.111 1.531 .781 .222 .081 .128 -12-4 1.361 1.531 .875 .230 .084 .132 -12-5 1.361 1.531 .875 .235 .086 .135 -12-6 1.361 1.531 .875 .240 .088 .138 -12-8
16、 1.361 1.625 .844 .250 .090 .144 -12-10 1.361 1.688 .875 .260 .098 .150 -16-4 1.599 1.531 .688 .327 .120 .188 -16-10 1.599 1.688 .875 .335 .115 .193 -16-12 1.599 1.750 .875 .342 .122 .197 -20-4 1.849 1.531 .719 .439 .162 .253 -20-12 1.849 1.813 .906 .485 .172 .219 -20-16 1.849 1.750 .875 .450 .165 .
17、259 -24-16 2.095 1.750 .875 .525 .193 .302 -24-20 2.095 1.750 .875 .570 .209 .328 NOTES: NOTICE THIS DOCUMENT REFERENCES A PART WHICH CONTAINS CADMIUM AS PLATING MATERIAL. CONSULT LOCAL OFFICIALS IF YOU HAVE QUESTIONS CONCERNING CADMIUMS USE.1. MATERIAL: SEE PROCUREMENT SPECIFICATION. ALLOY STEEL AL
18、UMINUM ALLOY CORROSION RESISTANT STEEL TITANIUM ALLOY 2. FINISH: SEE PROCUREMENT SPECIFICATION. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AEROSPACE STANDARD REDUCER, EXTERNAL THREAD, FLARELESS
19、TUBE AS21916D SHEET 4 OF 53. BREAK EDGES .003 TO .015 UNLESS OTHERWISE SPECIFIED. 4. DIMENSIONS ARE IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: DECIMALS .016, ANGLES 030. FOR HEX TOLERANCES USE ARP1201. /5/ PART NUMBERS: DASH “-” IN PART NUMBER FOR 4130 ALLOY STEEL IS CANCELLED AND REPLACED,
20、SEE TABLE 2 /A/ ADD “V(SIZE)P” IN PLACE OF DASH FOR CORROSION RESISTANT STEEL (15-5PH), CADMIUM PLATED ADD “V” IN PLACE OF DASH FOR CORROSION RESISTANT STEEL (15-5PH), NOT CADMIUM PLATED ADD “D” IN PLACE OF DASH FOR ALUMINUM ALLOY (2024): CANCELLED AND REPLACED, SEE TABLE 2 /C/ ADD “W” IN PLACE OF D
21、ASH FOR ALUMINUM ALLOY (7075) ADD “J” IN PLACE OF DASH FOR CORROSION RESISTANT STEEL (TYPE 304) ADD “K” IN PLACE OF DASH FOR CORROSION RESISTANT STEEL (TYPE 316) ADD “R” AFTER DASH NUMBER FOR CORROSION RESISTANT STEEL (TYPE 321) ADD “S” AFTER DASH NUMBER FOR CORROSION RESISTANT STEEL (TYPE 347): CAN
22、CELLED, SEE TABLE 2 /D/ ADD “T” AFTER DASH NUMBER FOR TITANIUM ALLOY (6AL-4V) EXAMPLES OF PART NUMBERS: MS21916-8-4 REDUCER, .500 TUBING TO .250 TUBING, 4130 ALLOY STEEL IS CANCELLED AND REPLACED, SEE TABLE 2 /A/ MS21916V8-4P REDUCER, .500 TUBING TO .250 TUBING, CORROSION RESISTANT STEEL (15-5PH), C
23、ADMIUM PLATED MS21916V8-4 REDUCER, .500 TUBING TO .250 TUBING, CORROSION RESISTANT STEEL (15-5PH), NOT CADMIUM PLATED MS21916D8-4 REDUCER, .500 TUBING TO .250 TUBING, ALUMINUM ALLOY (2024) IS CANCELLED AND REPLACED, SEE TABLE 2 /C/ MS21916W8-4 REDUCER, .500 TUBING TO .250 TUBING, ALUMINUM ALLOY (707
24、5) MS21916J8-4 REDUCER, .500 TUBING TO .250 TUBING, CORROSION RESISTANT STEEL (TYPE 304) MS21916K8-4 REDUCER, .500 TUBING TO .250 TUBING, CORROSION RESISTANT STEEL (TYPE 316) MS21916-8-4R REDUCER, .500 TUBING TO .250 TUBING, CORROSION RESISTANT STEEL (TYPE 321) MS21916-8-4S REDUCER, .500 TUBING TO .
25、250 TUBING, CORROSION RESISTANT STEEL (TYPE 347) IS CANCELLED, SEE TABLE 2 /D/ MS21916-8-4T REDUCER, .500 TUBING TO .250 TUBING, TITANIUM ALLOY (6AL-4V) 6. TITANIUM SHALL NOT BE USED FOR OXYGEN SYSTEMS. 7. SEE TABLE 2 FOR CANCELLED AND SUPERSEDED DOCUMENT AND PART NUMBERS. 8. REFERENCED DOCUMENTS SH
26、ALL BE OF THE ISSUE IN EFFECT ON DATE OF INVITATIONS FOR BID. 9. IN THE EVENT OF A CONFLICT BETWEEN THE TEXT OF THIS STANDARD AND THE REFERENCES CITED HEREIN, THE TEXT OF THIS STANDARD SHALL TAKE PRECEDENCE. 10. PRODUCT SUPPLIED TO THIS SPECIFICATION SHALL BE MANUFACTURED BY AN ACCREDITED MANUFACTUR
27、ER AS LISTED IN THE PERFORMANCE REVIEW INSTITUTE (PRI) QUALIFIED PRODUCTS LIST PRI-QPL-AS18280 FOR THIS STANDARD. SEE http:/ FOR CURRENT QPL ONLINE. 11. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M; REQUIREMENTS PER ASME B46.1; UNLESS OTHERWIE SPECIFIED MACHINED SURFACES SHALL BE 125 Ra. 12. A CHANGE B
28、AR ( l ) LOCATED IN THE LEFT MARGIN 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 DOCUMENT. AN (R) SYMBOL TO THE LEFT OF THE DOCUMENT TITLE INDICATES A COMPLETE REVISION OF THE DOCUMENT, INCLUDING T
29、ECHNICAL REVISIONS. CHANGE BARS AND (R) ARE NOT USED IN ORIGINAL PUBLICATIONS, NOR IN DOCUMENTS THAT CONTAIN EDITORIAL CHANGES ONLY. 13. INTERPRETATION OF DRAWING PER ARP4296. 14. FLUID PASSAGE, HOLE CONTOUR: ARP4266 (OPTIONAL) Copyright SAE International Provided by IHS under license with SAENot fo
30、r ResaleNo reproduction or networking permitted without license from IHS-,-,-AEROSPACE STANDARD REDUCER, EXTERNAL THREAD, FLARELESS TUBE AS21916D SHEET 5 OF 5TABLE 2 - CANCELLED AND SUPERSEDED DOCUMENT AND PART NUMBERS CANCELLEDDOCUMENT NUMBERPARTNUMBERSSUPERSESSIONNOTES SUPERSEDINGDOCUMENT NUMBERSU
31、PERSEDINGPARTNUMBERSMS21916 MS21916-(3-2 THRU 24-20) /A/ AS21916 MS21916V(3-2 THRU 24-20)P MS21916 MS21916C(3-2 THRU 24-20) /B/ AS21916 MS21916J(3-2 THRU 24-20), MS21916K(3-2 THRU 24-20), OR MS21916-(3-2 THRU 24-20)R MS21916 MS21916D(3-2 THRU 24-20) /C/ AS21916 MS21916W(3-2 THRU 24-20) MS21916 MS219
32、16W(3-2 THRU 24-20) NONE AS21916 MS21916W(3-2 THRU 24-20) MS21916 MS21916J(3-2 THRU 24-20) NONE AS21916 MS21916J(3-2 THRU 24-20) MS21916 MS21916K(3-2 THRU 24-20) NONE AS21916 MS21916K(3-2 THRU 24-20) MS21916 MS21916-(3-2 THRU 24-20)R NONE AS21916 MS21916-(3-2 THRU 24-20)R MS21916 MS21916-(3-2 THRU 2
33、4-20)S /D/ AS21916 MS21916-(3-2 THRU 24-20)R MS21916 MS21916-(3-2 THRU 24-20)T NONE AS21916 MS21916-(3-2 THRU 24-20)T /A/ PARTS CODED “-” FOR 4130 ALLOY STEEL ARE NOT TO BE MANUFACTURED. PARTS CODED “V(SIZE)P” FOR CORROSION RESISTANT STEEL (15-5PH) WITH CADMIUM PLATE SHALL BE FURNISHED IN LIEU OF “-
34、” CODED (4130) PARTS. PARTS CODED “-” FOR 4130 ALLOY STEEL MAY BE PROCURED UNTIL 12-31-06. /B/ PARTS CODED “C” FOR CORROSION RESISTANT STEEL (TYPE 303) ARE NOT TO BE MANUFACTURED. PARTS CODED “J”, “K” OR “R” FOR CORROSION RESISTANT STEEL (TYPES 304, 316, OR 321, RESPECTIVELY) SHALL BE FURNISHED IN L
35、IEU OF “C” CODED PARTS AT SUPPLIERS OPTION. /C/ PARTS CODED “D” FOR ALUMINUM ALLOY 2024 ARE NOT TO BE MANUFACTURED. PARTS CODED “W” FOR ALUMINUM ALLOY 7075 SHALL BE FURNISHED IN LIEU OF 2024 (D CODE) PARTS. PARTS CODED “D” FOR ALUMINUM ALLOY 2024 MAY BE PROCURED UNTIL 12-31-06. /D/ PARTS CODED “S” F
36、OR CORROSION RESISTANT STEEL (TYPE 347) ARE NOT TO BE MANUFACTURED. PARTS CODED “S” MAY BE USED UNTIL EXISTING STOCK IS DEPLETED. PARTS CODED “R” FOR CORROSION RESISTANT STEEL (TYPE 321) SHALL BE FURNISHED IN LIEU OF “S” CODED PARTS. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
