1、 AEROSPACE STANDARD FITTING, TEE, REDUCER, BULKHEAD ON RUN, FLARELESS AND SHORT FLARELESS AS4689Copyright 2017 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, photo
2、copying, 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 ISSUED1992-07 REAFFIRMED 2007-07 R
3、EVISED2017-06THIRD ANGLE PROJECTION CUSTODIAN: G-3/G-3B REV.DFEDERAL SUPPLY CLASS 4730 AS4689 SHEET 1 OF 6 REV. D PROCUREMENT SPECIFICATION: AS18280 /4/ SAETechnicalStandardsBoard Rulesprovidethat:“Thisreportispublished bySAEto advance the state oftechnicaland engineeringsciences.The use ofthisrepor
4、tisentirelyvoluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarising therefrom,isthe sole responsibilityoftheuser.”SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhich time itmaybe revised,reaffirmed,stabilized,orcancelled.SAEinvitesyourwritten comment
5、sandsuggestions.SAE values your input. To provide feedback on this Technical Report, please visit http:/standards.sae.org/AS4689D RATIONALE ADDED CONDUCTIVE HIGH PURITY ALUMINUM COATING FOR ALUMINUM ALLOY FITTINGS. FIGURE 1 - FITTING, TEE, REDUCER AEROSPACE STANDARD AS4689 SHEET 2 OF 6 REV. D FITTIN
6、G, TEE, REDUCER, BULKHEAD ON RUN, FLARELESS AND SHORT FLARELESS FIGURE 2A - FITTING, TEE, SIZE 16 BULKHEAD REDUCER TO SIZE 20 SHORT ENDS FIGURE 2B - FITTING, TEE, SIZE 20 BULKHEAD REDUCER TO SIZE 24 SHORT ENDS AEROSPACE STANDARD AS4689 SHEET 3 OF 6 REV. D FITTING, TEE, REDUCER, BULKHEAD ON RUN, FLAR
7、ELESS AND SHORT FLARELESS FIGURE 2C - FITTING, TEE, SIZE 12 AND SMALLER BULKHEAD REDUCER TO SIZE 20 SHORT ENDS FIGURE 2D - FITTING, TEE, SIZE 16 BULKHEAD REDUCER TO SIZE 24 SHORT ENDS FIGURE 2 AEROSPACE STANDARD AS4689 SHEET 4 OF 6 REV. D FITTING, TEE, REDUCER, BULKHEAD ON RUN, FLARELESS AND SHORT F
8、LARELESS TABLE 1 - DIMENSIONS AND WEIGHTS /10/ BASIC NO. AS4689 /9/ /20/ SIZE CODE D H J +.005 -.020 LB/EA APPROX REF ALUM LB/EA APPROX REF STEEL LB/EA APPROX REF TI 20 .517 .124 1.375 .426 1.18 .640 24 .614 .156 1.688 .630 1.74 .998 TABLE 2 - LEG LENGTH A /11/ SIZE OF PORT FORGING SIZE /9/ 20 FORGI
9、NG SIZE /9/ 24 02 1.710 1.898 03 1.757 1.945 04 1.788 1.976 05 1.788 1.976 06 1.804 1.992 08 1.897 2.085 10 1.960 2.148 12 2.023 2.211 14 2.023 2.211 16 2.023 2.211 20 1.798 1.986 24 - 1.986 TABLE 3 - LEG LENGTH B /11/ SIZE OF PORT FORGING SIZE /9/ 20 FORGING SIZE /9/ 24 02 2.320 2.602 03 2.367 2.64
10、9 04 2.430 2.712 05 2.430 2.712 06 2.476 2.758 08 2.648 2.930 10 2.789 3.071 12 2.989 3.180 14 2.989 3.180 16 2.989 3.180 20 2.686 2.968 24 - 2.968 AEROSPACE STANDARD AS4689 SHEET 5 OF 6 REV. D FITTING, TEE, REDUCER, BULKHEAD ON RUN, FLARELESS AND SHORT FLARELESS TABLE 4 - TUBE SIZE AND CORRESPONDIN
11、G THREADS SIZE OF PORT (NOMINAL TUBE SIZE) T THREAD PER AS8879 CLASS 3A 02 .125 .3125-24UNJF 03 .188 .3750-24UNJF 04 .250 .4375-20UNJF 05 .312 .5000-20UNJF 06 .375 .5625-18UNJF 08 .500 .7500-16UNJF 10 .625 .8750-14UNJF 12 .750 1.0625-12UNJ 14 .875 1.1875-12UNJ 16 1.000 1.3125-12UNJ 20 1.250 1.5625-1
12、2UNJ 24 1.500 1.8125-12UNJ NOTES: NOTICE THIS DOCUMENT REFERENCES A PART WHICH CONTAINS CADMIUM AS A PLATING MATERIAL. CONSULT LOCAL OFFICIALS IF YOU HAVE QUESTIONS CONCERNING CADMIUMS USE. /1/ MATERIAL: a. CODE LETTER T - TYPE 6Al-4V TITANIUM ALLOY FORGING OR BAR PER AMS4928. b. CODE LETTER V - TYP
13、E 15-5PH CORROSION RESISTANT STEEL FORGING OR BAR PER AMS5659. c. CODE LETTER W - TYPE 7075-T73 ALUMINUM ALLOY FORGING PER AMS4141 OR TYPE 7075-T7351 ALUMINUM ALLOY BAR PER AMS4124 OR 7075-T73 ALUMINUM ALLOY BAR PER AMS-QQ-A-225/9. 2. HEAT TREATMENT: a. MATERIAL CODE LETTER T - NONE. b. MATERIAL COD
14、E LETTER V - HEAT TREAT TO CONDITION H-1075 PER AMS2759/3. c. MATERIAL CODE LETTER W - ELECTRICAL CONDUCTIVITY AND HARDNESS PER PROCUREMENT SPECIFICATION. /3/ FINISH: a. MATERIAL CODE LETTER T - FLUORIDE PHOSPHATE CONVERSION COAT PER AMS2486 OR ANODIZE PER AMS2488 TYPE 2. BARE AREAS OF FLUORIDE PHOS
15、PHATE COATING OCCURRING ON SEALING, BEARING OR THREADED SURFACES SHALL NOT BE CAUSE FOR REJECTION. BARE AREAS SHALL NOT EXCEED 30% OF THE REMAINING SURFACE AREA. 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. T
16、HE FINISH WILL BE: PASSIVATE PER AMS2700 TYPE 2 OR 8. (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 AMS-QQ-P-416, TYPE II, CLASS 2. c. MATERIAL CODE LETTER W (1) W CODE PARTS TO BE ANODIZE
17、D ONLY WILL HAVE NO FINISH CODE LETTER AFTER THE SIZE CODE IN THE PART NUMBER. THE FINISH WILL BE ANODIZE PER AMS2472 OR PER MIL-A-8625, TYPE II, CLASS 2 DYED BROWN, SIMILAR TO COLOR 10080 OF AMS-STD-595. (2) W CODE PARTS TO BE COATED WITH HIGH PURITY ALUMINUM ONLY WILL HAVE THE FINISH CODE LETTER “
18、V” AFTER THE SIZE CODE IN THE PART NUMBER. SEE PROCUREMENT SPECIFICATION FOR REQUIREMENTS. AEROSPACE STANDARD AS4689 SHEET 6 OF 6 REV. D FITTING, TEE, REDUCER, BULKHEAD ON RUN, FLARELESS AND SHORT FLARELESS /4/ PROCUREMENT SPECIFICATION: AS18280, EXCEPT AS SPECIFIED ON THIS STANDARD. PRODUCT SUPPLIE
19、D TO THIS SPECIFICATION SHALL BE MANUFACTURED BY AN ACCREDITED MANUFACTURER AS LISTED IN THE PERFORMANCE REVIEW INSTITUTE (PRI) QUALIFIED PRODUCTS LIST (QPL) PRI-QPL-AS18280 FOR THIS STANDARD. SEE FOR CURRENT QPL ONLINE. /5/ IDENTIFICATION AT LOCATION SHOWN: MARK PER AS478 CLASS C OR METHOD 7A3, OR
20、 15B. MANUFACTURERS NAME, TRADEMARK OR CAGE CODE, BASIC PART NUMBER, AND MATERIAL CODE LETTER. 6. INTENDED USE: THIS PART IS DESIGNED FOR USE IN TUBING CONNECTION SYSTEMS WITH NOMINAL OPERATING PRESSURES AS FOLLOWS: a. SIZES -20 AND -24 TITANIUM ALLOY AND CORROSION RESISTANT STEEL AT 3000 PSI. b. SI
21、ZES -20 AND -24 ALUMINUM ALLOY AT 600 PSI. LARGEST PORT DETERMINES PRESSURE RATING. 7. WHEN MACHINED FROM BAR OR OVERSIZED FORGINGS, THE CENTER BODY SECTION SHALL CONFORM TO AS1376, TABLE 10. AT LEAST ONE PORT SHALL BE -20 OR -24. /8/ RADIUS APPLICABLE FOR TITANIUM PARTS ONLY. /9/ LARGEST PORT DETER
22、MINES FORGING SIZE, REGARDLESS OF THE LOCATION. MINIMUM FORGING SIZE IS -20. THIS STANDARD IS FOR REDUCERS ONLY; FOR ALL PORTS THE SAME SIZE USE AS4672. /10/ WEIGHTS ARE FOR NON-REDUCERS ONLY. REDUCER FITTINGS WILL HAVE LOWER WEIGHTS. /11/ REDUCER FITTINGS WHICH FALL IN THE AREA OF HATCH LINES OF TA
23、BLES 2 AND 3 SHOULD BE AVOIDED. IF THEY MUST BE USED, SPECIAL ATTENTION SHOULD BE GIVEN TO CLAMPING OR OTHER MEANS TO PROTECT THE SMALLER PORT OR TUBE. /12/ FINISH CODE LETTER “P” SHALL BE PLACED AFTER SIZE CODES ONLY FOR MATERIAL CODE “V” PARTS THAT ARE TO BE CADMIUM PLATED. FINISH CODE LETTER “V”
24、SHALL BE PLACED AFTER SIZE CODES ONLY FOR MATERIAL CODE “W” PARTS THAT ARE TO BE COATED WITH HIGH PURITY ALUMINUM TO PROVIDE LOW ELECTRICAL CONTACT RESISTANCE. NO OTHER LETTERS ARE TO FOLLOW THE SIZE CODES. 13. REVISION INDICATOR: A CHANGE BAR (I) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF
25、 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 TECHNICAL REVISIONS. CHANGE BARS AND (R) ARE NOT USED IN ORIGI
26、NAL PUBLICATIONS, NOR IN DOCUMENTS THAT CONTAIN EDITORIAL CHANGES ONLY. 14. INVENTORIED PARTS CONFORMING TO THE PREVIOUS ISSUE MAY BE USED TO DEPLETION. 15. INTERPRETATION OF DRAWING PER AS4296. 16. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M; REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, M
27、ACHINED SURFACES TO BE 125 MICROINCHES Ra. FORGED SURFACES MAY BE 250 MICROINCHES Ra. 17. BREAK EDGES .003 TO .015 UNLESS OTHERWISE SPECIFIED. 18. DIMENSIONING AND TOLERANCING: ANSI Y14.5M-1982. 19. DIMENSIONS ARE IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS .010, ANGULAR DIMENSIONS 0 30 MINUTES. /20/ EXAMPLE OF PART NUMBER: AS4689 V 20 20 16 P /9/BASIC PART NUMBER FINISH CODE LETTER /3/ /12/MATERIAL CODE LETTER /1/ SIZE CODE, TUBE SIZE OFPORT #3 IN .062 INCREMENTSSIZE CODE, TUBE SIZE OFPORT #1 IN .062 INCREMENTSSIZE CODE, TUBE SIZE OFPORT #2 IN .062 INCREMENTS
