1、_SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising theref
2、rom, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2010 SAE International All rights reserved. No part of this publication ma
3、y be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, 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 US
4、A) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AS5551AAEROSPACESTANDARDAS5551 REV. A Issued 2005-10 Revised 2010-07Superseding AS5551 Fitting
5、Assembly 24Degree Cone Flareless per AS5827, 5080 psi, Port Connection Port Preparation, Installation and Removal of AS5550 and AS5865 RATIONALEAdditional tooling source added. 1. SCOPE This SAE Aerospace Standard (AS) establishes the requirements for port preparation, installation and removal proce
6、dure for AS5550 fitting assembly and AS5865 fitting reducer assembly, and is applicable when specified on engineering drawings, or in procurement documents. 2. APPLICABLE DOCUMENTS The following publications form a part of this document to the extent specified herein. The latest issue of SAE publica
7、tions shall apply. The applicable issue of other publications shall be the issue in effect on the date of the purchase order. In the event of conflict between the text of this document and references cited herein, the text of this document takes precedence. Nothing in this document, however, superse
8、des applicable laws and regulations unless a specific exemption has been obtained. 2.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org.AS568 Aerospace Size Stand
9、ard for O-Rings AS1241 Fire Resistant Phosphate Ester Hydraulic Fluid for Aircraft AS5000 Fitting, Plug-in Union, Ring Locked, 24 Cone, Fluid Connection, 5080 psi, Specification for AS5550 Fitting Assembly, Ring Locked, Adapter, Flareless to Port, Extra Fine Threads, 5080 psi AS5827 Fitting End, Fla
10、reless, Extra Fine Thread, Design Standard AS5865 Fitting Reducer Assembly, Ring Locked, Adapter, Flareless to Port, Extra Fine Threads, 5080 psi Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE A
11、S5551A Page 2 of 152.2 NAS Publications Available from Aerospace Industries Association, 1000 Wilson Blvd., Suite 1700, Arlington, VA 22209, Tel: 703-358-1000, www.aia-aerospace.org.NAS1611 Packing, Ethylene Propylene Preformed O-ring Phosphate Ester Resistant NAS1613 Seal Element, Packing, Preforme
12、d, Ethylene Propylene Rubber 3. GENERAL DESIGN INFORMATION 3.1 These fitting assemblies provide a semi-permanent male fitting for use in fluid systems of 5080 psi and compatible with titanium at -65 to +230 F temperature range. 3.2 Fitting assembly per AS5550 installed per this document into ports p
13、repared per Section 5 shall have stand-off dimensions “P” and “R” in Figure 1 and Table 1A. 3.3 Fitting reducer assembly per AS5865 installed per this document into ports prepared per Section 5 shall have stand-off dimensions “P” and “R” in Figure 2 and Table 2A. 3.4 O-ring size per Table 1A and Tab
14、le 1B must be used. The O-ring compound shall be specified by the using design activity and shall be selected based on system fluid and temperature. 3.5 The lockring is driven into the mating port serrations after the fitting assembly or fitting reducer assembly have been torqued. This prevents the
15、fitting assembly from rotating in the port during coupling nut assembly and disassembly and also eliminates the necessity of lock wiring the fitting. Only one wrench is required to install or remove coupling nut. 3.6 Fitting assembly AS5550 removal is accomplished by lifting the lockring out of the
16、port using a removal tool per Table 1B. 3.7 Fitting reducer assembly AS5865 removal is accomplished by lifting the lockring out of the port using a removal tool per Table 2B. 3.8 These fitting assemblies require special tooling for proper installation. Tooling must be certified to have been used dur
17、ing the qualification of fitting assemblies. Tooling is available from Alcoa Fastening Systems, Fullerton, California, USA - CAGE Code 66776; or equivalent alternate source (Faber Enterprises, Canoga Park, California, USA - CAGE Code 14397, or Shur-Lok Company, Irvine, California, USA CAGE Code 9739
18、3). Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AS5551A Page 3 of 15FIGURE 1 - INSTALLED FITTING ASSEMBLY /1/ “P” and “R” dimensions are for design purposes only and represent final stand-off
19、 dimensions. Do not use as installation dimensions. TABLE 1A - O-RING, STAND-OFF AND TORQUE FOR AS5550 PortDashNumberAS5550DashNumberO-Ring Size When Used With AS1241 Fluid (Compound NAS1613) P0.0175RMaxInstallation Torquelbf.in04 04 AS568-010 0.5870 0.124 60- 100 06 06 AS568-012 0.6090 0.130 180- 2
20、45 08 08 AS568-014 0.7020 0.130 430- 510 10 10 AS568-016 0.7650 0.130 600- 680 12 12 AS568-116 0.8380 0.140 855- 945 16 16 AS568-120 0.8380 0.140 800-1260 20 20 AS568-123 0.8380 0.140 1520-1680 TABLE 1B - TOOLING - PORT PREPARATION AND INSTALLATION AND REMOVAL FOR AS5550 UnionDashNumberPortingToolNu
21、mberBroachToolNumberO-RingToolNumberCombinationWrench and Drive Tool Installation Torquelbf.inLockringRemoval Tool04 RPT04 RFOPB5004HDB ORT312 RFKA9904DW 60- 100 RF04LPDE06 RPT06 RFOPB5006HDB ORT437 RFKA9906DW 180- 245 RF06LPDE08 RPT08 RFOPB5008HDB ORT562 RFKA9908DW 430- 510 RF08LPDE10 RPT10 RFOPB50
22、10HDB ORT687 RFKA9910DW 600- 680 RF10LPDE12 RPT12 RFOPB5012HDB ORT812 RFKA9912DW 855- 945 RF12LPDE16 RPT16 RFOPB5016HDB ORT1125 RFKA9916DW 800-1260 RF16LPDE20 RPT20 RFOPB5020HDB ORT1312 RFKA9920DW 1520-1680 RF20LPDECopyright SAE International Provided by IHS under license with SAENot for ResaleNo re
23、production or networking permitted without license from IHS-,-,-SAE AS5551A Page 4 of 15FIGURE 2 - INSTALLED FITTING REDUCER ASSEMBLY /1/ “P” and “R” dimensions are for design purposes only and represent final stand-off dimensions. Do not use as installation dimensions. TABLE 2A - O-RING, STAND-OFF
24、AND TORQUE FOR AS5865 PortDashNumberAS5865DashNumberO-Ring Size When Used With AS1241 Fluid (Compound NAS1613) P0.0175RMaxInstallation Torquelbf.in06 0604 AS568-012 0.7350 0.130 180- 245 08 0806 AS568-014 0.7510 0.130 430- 510 10 1008 AS568-016 0.8450 0.130 600- 680 12 1210 AS568-116 0.9040 0.140 85
25、5- 945 16 1612 AS568-120 0.9790 0.140 800-1260 20 2016 AS568-123 0.9590 0.140 1520-1680 24 2420 AS568-128 0.9800 0.140 1900-2940 TABLE 2B - TOOLING - PORT PREPARATION AND INSTALLATION AND REMOVAL FOR AS5865 ReducerDashNumberPortingToolNumberBroachToolNumberO-RingToolNumberDrive WrenchNumberLockringD
26、rive ToolLockringRemoval Tool0604 RPT06 RFOPB5006HDB ORT437 RF6906W RF9806DEK RF06LPDE 0806 RPT08 RFOPB5008HDB ORT562 RF6908W RF9808DEK RF08LPDE 1008 RPT10 RFOPB5010HDB ORT687 RF6910W RF9810DEK RF10LPDE 1210 RPT12 RFOPB5012HDB ORT812 RF6912W RF9812DEK RF12LPDE 1612 RPT16 RFOPB5016HDB ORT1125 RF6916W
27、 RF9816DEK RF16LPDE 2016 RPT20 RFOPB5020HDB ORT1312 RF6920W RF9820DEK RF20LPDE 2420 RPT24 RFOPB5024HDB ORT1625 RF6924W RF9824DEK RF24LPDE Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AS5551A P
28、age 5 of 154. DESIGN REQUIREMENTS 4.1 Minimum data to be specified on engineering drawing or specification. 4.1.1 Port diameter to be at least the minimum specified in Section 5, Figure 3. 4.1.2 Location of port. 4.1.3 Specific port dash number. If tap drill depth is not through, then specify contro
29、l dimensions. 4.1.4 Specific fitting assembly size per AS5550 or fitting reducer assembly size per AS5865. 4.1.5 Specific O-ring size and compound (see 3.4). 4.1.6 Install fitting assembly or fitting reducer assembly per AS5551. 4.1.7 Corrosion protection is specified in 6.2.4 (for AS5550) or in 7.2
30、.4 (for AS5865). If materials or fluids require primer different from zinc chromate primer or if an additional sealant is required, so specify. 4.1.8 Pressure testing of individual units is specified in 8.1. Testing other than that shown shall be specified. 4.1.9 The boss material for 5080 psi syste
31、m must be selected to pass qualification testing as specified in AS5000. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AS5551A Page 6 of 155. PORT CONFIGURATION AND PREPARATION FIGURE 3 - PORT
32、Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AS5551A Page 7 of 15TABLE 3A - THREADS AND DIMENSIONS A-E PortDashNumberT Thread AMinBMin C D E AS8879CLASS -3B Minor Dia MOD04 .3125-24UNJF 0.2734
33、-0.2764 0.524 0.68 0.495-0.498 0.339-0.341 0.088-0.098 06 .4375-20UNJF 0.3903-0.3933 0.710 0.85 0.675-0.678 0.464-0.466 0.103-0.113 08 .5625-18UNJF 0.5099-0.5129 0.826 1.04 0.784-0.787 0.582-0.584 0.103-0.113 10 .6875-24UNJEF 0.6484-0.6514 1.052 1.17 1.015-1.018 0.725-0.727 0.103-0.113 12 .8125-20UN
34、JEF 0.7653-0.7683 1.182 1.42 1.139-1.142 0.899-0.901 0.103-0.113 16 1.1250-18UNJEF 1.0714-1.0744 1.471 1.67 1.427-1.430 1.162-1.164 0.103-0.113 20 1.3125-18UNJEF 1.2599-1.2629 1.795 1.98 1.750-1.753 1.387-1.389 0.130-0.140 24 1.6250-18UNJEF 1.5724-1.5754 2.045 2.23 2.000-2.005 1.664-1.666 0.130-0.14
35、0 TABLE 3B - DIMENSIONS F-N AND SERRATIONS GAGE PortDashNumber F G H0.005 J KMinL0.005M0.005N2PortSerrationsGage Number (see 5.3) 04 0.153-0.158 0.296-0.301 0.568 30 0.061 0.534 0.032 7800 RFOPB04PSG 06 0.168-0.173 0.311-0.316 0.631 36 0.073 0.720 0.035 8000 RFOPB06PSG 08 0.168-0.173 0.311-0.316 0.6
36、73 40 0.073 0.831 0.035 8000 RFOPB08PSG 10 0.168-0.173 0.311-0.316 0.693 38 0.073 1.062 0.035 10130 RFOPB10PSG 12 0.168-0.173 0.343-0.348 0.763 40 0.073 1.192 0.035 9300 RFOPB12PSG 16 0.168-0.173 0.343-0.348 0.806 36 0.073 1.481 0.035 9200 RFOPB16PSG 20 0.195-0.200 0.375-0.380 0.838 56 0.093 1.805 0
37、.042 8615 RFOPB20PSG 24 0.195-0.200 0.375-0.380 0.877 81 0.093 2.055 0.042 8730 RFOPB24PSG 5.1 The drill and porting tool method of preparing the machined cavity is mandatory. Drill 0.015 to 0.030 smaller than the specified minor diameter modified. The porting tool per Table 1B or Table 2B will size
38、 the minor diameter and provide balance of cavity configuration ready for broaching serration. 5.2 After serrations are broached with broach tool per Table 1B or Table 2B, chip removal is required. 5.3 GO/NOGO gage is required to check port serration conformance. Gages are available from Alcoa Faste
39、ning Systems, Fullerton, California, USA - CAGE Code 66776; or Shur-Lok Company, Irvine, California, USA CAGE Code 97393; or equivalent alternate source(s) as approved in PRI-QPL-AS5000. 5.4 Use of porting tool and broach tool specified in Table 1B or Table 2B is mandatory to provide required port c
40、onfiguration.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AS5551A Page 8 of 156. INSTALLATION OF FITTING ASSEMBLY AS5550 INTO PORT 6.1 O-ring Installation 6.1.1 Place the O-ring (per Table 1A)
41、 over the small thread of the fitting assembly. Submerge the O-ring tool and O-ring in the fluid to be used in the working system, or a lubricant compatible with the system fluid and all components. Slide the O-ring over the O-ring tool and onto the fitting assembly. Be sure that the O-ring is not t
42、wisted and is properly seated in the groove of the fitting assembly. See Figure 4. FIGURE 4 - O-RING INSTALLATION 6.1.2 Remove the O-ring tool. 6.2 Install Fitting Assembly Into Port 6.2.1 Lubricate the internal surfaces of the port using the same fluid or lubricant as specified in 6.1.1. Scratches,
43、 dings or rough spots are not allowed in O-ring contact area on the fitting assembly or in the port. 6.2.2 Insert the port end thread of the fitting assembly into port by hand using a clockwise rotation until the fitting assembly is seated. To avoid possible O-ring damage, the fitting assembly shoul
44、d not be rotated in a counterclockwise direction. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AS5551A Page 9 of 156.2.3 Using the applicable combination wrench and drive tool in Table 1B, eng
45、age the serrations of the tool with the external serrations of the lockring per Figure 5. Place a torque wrench of the proper size over the hex of the wrench and apply a torque equal to the minimum value specified in Table 1A. Note the relationship of the lockring serrations with respect to the preb
46、roached serrations in the port. If they match, proceed to 6.2.4. If the lockring serrations do not match the prebroached serrations in the port, continue to slowly torque toward the maximum value allowed in Table 1A until the serrations match. This will normally take between 3 degrees and 8 degrees
47、of turning, the maximum value need not be reached if the serrations align themselves prior to that value. Do not exceed maximum torque values. FIGURE 5 - TORQUING FITTING ASSEMBLY 6.2.4 Apply enough zinc chromate primer (TT-P-1757) with a brush or small syringe to the counterbore area of the port an
48、d below the lockring so primer will be extruded out between external serrations of the lockring and serrations in the port when lockring is installed. NOTE: Using design activity may specify another primer in place of, or in addition to, zinc chromate (see 4.1.7). Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AS5551
