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 there
2、from, 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 2012 SAE International All rights reserved. No part of this publication m
3、ay 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 U
4、SA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AS683DAEROSPACESTANDARDAS683 REV. D Issued 1964-04 Reaffirmed 2006-05 Revised 2012-03Supersed
5、ing AS683C Installation Procedures and Torques for Fluid Connections RATIONALE Complete revision of all figures and updating of specifications. FOREWORD Changes in this Revision are format /editorial only. 1. SCOPE These procedures cover the following: Paragraph 3 - Cone end connections for flared t
6、ube and brazed ferrule, with and without gasket. Paragraph 4 - Boss end connections, positioned type, with back-up ring. Paragraph 5 - Boss end connections, positioned type, without back-up ring Paragraph 6 - Boss end connections, non-positioned type. Paragraph 7 - Bulkhead connections. 1.1 Purpose
7、To establish standard installation procedures for fluid connection parts listed in this standard. 1.2 All parts with lockwire holes shall be lockwired per AS567. 2. APPLICABLE DOCUMENTS The following publications form a part of this document to the extent specified herein. The latest issue of SAE pu
8、blications shall apply. The applicable issue of the 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
9、, supersedes applicable laws and regulations unless a specific exemption has been obtained. SAE AS683D Page 2 of 13 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.s
10、ae.org.AS567 Safety Cable, Safety Wire, Key Washers, and Cotter Pins for Propoulsion Systems, General Practices for Use of AS930 Fitting End, Straight Thread, Boss Connection, Design StandardAS1038 Fitting, Elbow, 90 Degrees, Standard and Reducer, Bulkhead, FlaredAS1078 Fitting End - Flared Tube Con
11、nection, Extended ThreadAS1039 Fitting, Tee, Standard and Reducer, Bulkhead on Side, Flared AS1171 Boss - Fluid Connection, Internal Straight Thread, Shallow TapAS3074 Gasket - 37 Flared Tube Fitting, Nickel, AMS5553 AS3075 Gasket - 37 Flared Tube Fitting, Nickel, AMS5553 AS3208 Packing, Preformed -
12、 Ams 7276 - SealAS3282 Gasket - 37 Flared Tube Fitting, Nickel, AMS5553 AS3551 Packing, Preformed - O-Ring Seal, AMS 7272AS3578 Packing, Preformed - O-Ring Seal, AMS 7271AS4330 Tubing, Flared Standard Dimensions For, Design StandardAS4395 Fitting End, Flared, Tube Connection, Design StandardAS4396 F
13、itting End, Bulkhead, Flared Tube Connection, Design Standard AS5160 Fitting, Bolt, FlaredAS5161 Fitting, Bolt, Fluid PassageAS5174 Fitting, Union and Reducer, FlaredAS5175 Nut, Coupling, FlaredAS5176 Fitting, Sleeve, Flared AS5202 Port Or Fitting End, Internal Straight Thread, Design StandardAS5406
14、 Fitting, Union, Tube, .375 BulkheadAS8879 Screw Threads - UNJ Profile, Inch Controlled Radius Root With Increased Minor Diameter AS9058 Back-Up, Boss Connection, AMS 3652, AMS 3656, AMS 3660, AMS 3667 AS9201 Nut, Plain, Hexagon, Boss Connection, Silver Plated, 347 Cres UNS S34700 SAE AS683D Page 3
15、of 13 AS9385 Packing, Performed, Ams 7267, O-RingAS9902 Plug, Machine Thread Drilled, Preformed Packing, AS8879 Thread (UNS S34700) AS9966 Packing, Preformed - AMS 7273, Seal AS33583 Tubing End Double Flare, Standard Dimensions ForAS90991 Nut, Hexagon, Drilled, Boss Connection, Aluminum - UNS A92024
16、AS91001 Nut, Hexagon, Drilled, Boss Connection, Cres - UNS S30400AS92001 Nut, Hexagon, Drilled, Boss Connection, Aluminum - UNS A92014ARP573 Silver, Copper and Nickel Alloy Brazed Joints for Aerospace Propulsion Systems AMS7276 Rubber: Fluorocarbon (FKM) High-Temperature-Fluid Resistant Low Compress
17、ion Set for Seals in Fuel systems and Specific Engine Oil Systems AMS-G-4343 Grease, Pneumatic System 2.2 U. S. Government Publications Available from the Document Automation and Production Service (DAPS), Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094, Tel: 215-697-9495, https:/assist
18、.daps.dla.mil/quicksearch/.MS9015 Plug, Machine Thread- “O“ Ring Seal MS9095 Nipple, Tube - Aluminum, Boss MS9096 Elbow, Tube - AMS 4135, Boss, 90 Deg MS9097 Elbow, Tube - AMS 4135, Boss, 45 Deg. MS9193 Nipple, Tube - SAE-AMS5639, Boss MS9194 Elbow, Tube - SAE-AMS5646, Boss, 90 Degrees MS9195 Elbow,
19、 Tube - SAE-AMS5639, Boss, 45 Degrees MS9196 Tee, Tube - SAE-AMS5646, Boss MS9197 Nut, Tube Coupling-CRES SAE-AMS5646, Silver Plate MS9198 Nut, Tube Coupling-CRES SAE-AMS5646 MS9483 Ferrule, Brazing, Tube Fitting-Cres SAE-AMS5646, Straight MS9901 Plug, Machine Thread - AMS 5646 MS9953 Plug, Machine
20、Thread - AMS 4121 MS9954 Plug, Machine Thread-Drilled, AMS 4121 MIL-PRF- 5606 Hydraulic Fluid, Petroleum Base; Aircraft, Missile, and Ordnance SAE AS683D Page 4 of 13 MIL-PRF-7808 Lubricating Oil, Aircraft Turbine Engine, Synthetic Base MIL-PRF-87257 Hydraulic Fluid, Fire Resistant; Low Temperature,
21、 Synthetic Hydrocarbon Base, Aircraft And Missile MIL-PRF-83282 Hydraulic Fluid, FIre Resistant, Synthetic Hydrocarbon Base, Metric, NATO Code Number H-537 VV-P-236 Petrolatum, Technical 2.3 NAS Publications Available from Aerospace Industries Association, 1000 Wilson Boulevard, Suite 1700, Arlingto
22、n, VA 22209-3928, Tel: 7303-358-1000, www.aia-aerospace.orgNAS 1149 WASHER, FLAT 3. CONE END CONNECTIONS FOR FLARED TUBE AND BRAZED FERRULE FIGURE 1 - CONE END CONNECTORS FOR FLARED TUBE AND BRAZED FERRULE SAE AS683D Page 5 of 13 3.1 Installation Procedures 3.1.1 Step One: Coat threads at cone end o
23、f connector sparingly with lubricant as listed in Table 1. 3.1.2 Step Two: Assemble gasket when specified, See Figure 1C and 1D. 3.1.3 Step Three: Assemble the flared tube or brazed ferrule to the connector cone and/or gasket and tighten the nut in accordance with Table 2. 3.1.4 Leaking joints: Do n
24、ot attempt to correct any leakage or misalignment of the joint by overtorquing. Instead, disassemble and check for nicks, burrs, dirt, etc. Reassemble, using new parts if necessary. Gaskets AS3074, AS3075 and AS3282 must be replaced if the joint is disassembled. 4. BOSS END CONNECTIONS, POSITIONED T
25、YPE, WITH BACK-UP RING FIGURE 2 BOSS END CONNECTION, POSITIONED TYPE, WITH BACK-UP RING 4.1 Installation Procedures 4.1.1 Step One: Coat male threads of connector, back-up ring and packing sparingly with lubricant as listed in Table 1. Work back-up ring into counterbore of the nut, and assemble pack
26、ing in groove. Turn the nut down until the packing is firmly seated against the lower threaded portion of the connector. 4.1.2 Step Two: Install the connector into the boss. At the same time keep the nut turning with the connector until the packing contacts the boss. A sudden increase in torque will
27、 determine the contact. Apply wrench to the nut to prevent its turning and then turn the connector 1.5 turns into the boss. Complete the assembly and positioning by turning into the boss not more than one additional turn. 4.1.3 Step Three: Hold the connector in the required position and tighten the
28、nut in accordance with Table 3. SAE AS683D Page 6 of 13 5. BOSS END CONNECTIONS, POSITIONED TYPE, WITHOUT BACK-UP RING FIGURE 3 BOSS END CONNECTION, POSITIONED TYPE, WITHOUT BACK UP RING 5.1 Installation Procedures 5.1.1 Step One: Coat male threads of connector and packing sparingly with lubricant a
29、s listed in Table 1 and assemble packing in groove. Turn the nut down until packing is firmly seated against lower threaded portion of the connector. 5.1.2 Step Two: Install the connector into the boss. At the same time keep the nut turning with the connector until the packing contacts the boss. A s
30、udden increase in torque will determine the contact. Apply wrench to the nut to prevent its turning, and then turn the connector 1.5 turns into the boss. Complete the assembly and positioning by turning into the boss not more than one additional turn. 5.1.3 Step Three: Hold the connector in the requ
31、ired position and tighten the nut in accordance with Table 3. SAE AS683D Page 7 of 13 6. BOSS END CONNECTIONS, NON-POSITIONED TYPE FIGURE 4 BOSS END CONNECTION, NON POSITIONED TYPE 6.1 Installation Procedure 6.1.1 Step One: Coat male thread of connector and packing sparingly with lubricant as listed
32、 in Table 1, and assemble packing in groove. 6.1.2 Step Two: Install the connector into the boss and tighten the connector in accordance with Table 3. SAE AS683D Page 8 of 13 7. BULKHEAD CONNECTIONS FIGURE 5 BULKHEAD CONNECTION 7.1 Fittings 7.1.1 Style S (Shouldered) a. Size -6 and smaller may be us
33、ed through bulkheads up to .250 maximum thickness. b. Size -8 and larger may be used through bulkheads up to .375 maximum thickness. 7.1.2 Style E (Hex) a. Unions (AS5406) may be used through bulkheads up to .375 maximum thickness. 7.2 Washer (NAS1149) 7.2.1 Style S Connectors (Shouldered) a. Connec
34、tor size -6 and smaller may be used when bulkhead is .188 thick or less, provided that a .062 thick washer is also used. b. Connector size -8 and larger may be used when bulkhead is .188 thick or less, provided that a .094 thick washer is also used. c. Washer is not required when bulkhead is thicker
35、 than .188, provided hole in bulkhead is equal to the hole in applicable washer. SAE AS683D Page 9 of 13 7.2.2 Style E Connectors (Hex) a. Washer is not required provided hole in bulkhead is equal to the hole in applicable washer. 7.3 Installation Procedures 7.3.1 Step One: Coat threads on bulkhead
36、end of connector sparingly with lubricant as listed in Table 1. 7.3.2 Step Two: Hold the connector in the required position and tighten the nut in accordance with Table 4. 8. REFERENCE RING SEAL DATA 8.1 Table 1 lists typical ring seal data applicable to the boss type connection installation. TABLE
37、1 REFERENCE PACKING APPLICATION Application Packing, Preformed Typical Installation Lubricant Hydraulic AS3551 AMS7276 AS3208 Hydraulic Oil MIL-PRF-5606 MIL-PRF-87257, MIL-PRF-83282 or Petrolatum (VV-P-236)* Engine Oil AS3551 AMS7276 AS9966 AS3208 Applicable Engine Oil or MIL-PRF-7808 Fuel AS3578 AS
38、9966 AS3208 Applicable Fuel or Petrolatum (VV-P-236)* Pneumatic AS9385 Lubricating Grease AMS-G-4343or Petrolatum (VV-P-236)* Water AS9385 Petrolatum (VV-P-236) *Use in proximity to control valve not recommended. Petrolatum not compatible with. MIL-PRF-7808 SAE AS683D Page 10 of 13 9. TORQUE VALUES
39、9.1 The following tables list torque data applicable to the aforementioned connections. Reduced fluid fitting torques shall be in accordance with the applicable threaded end. TABLE 2 TORQUE VALUES FOR TUBE FITTINGS Nom Tube ODThread T AS8879 Torque (A) Torque (B) and (C) Inch lbf-in lbf-in .125 .312
40、5-24UNJF-3B 22-30 35-50 .188 .3750-24UNJF-3B 30-45 75-100 .250 .4375-20UNJF-3B 40-60 115-150 .312 .5000-20UNJF-3B 55-75 150-200 .375 .5625-18UNJF-3B 75-115 250-300 .438 .6250-18UNJF-3B 95-140 300-350 .500 .7500-16UNJF-3B 150-225 450-500 .562 .8125-16UNJF-3B 175-270 550-600 .625 .8750-14UNJF-3B 200-3
41、15 650-700 .688 1.0000-12UNJF-3B 260-405 800-900 .750 1.0625-12UNJ-3B 300-450 900-1000 .875 1.1875-12UNJ-3B 360-540 1050-1200 1.000 1.3125-12UNJ-3B 500-630 1200-1400 1.125 1.5000-12UNJF-3B 540-745 1400-1700 1.250 1.6250-12UNJ-3B 600-810 1500-1800 1.500 1.8750-12UNJ-3B 700-1000 1900-2200 1.750 2.2500
42、-12UNJ-3B 800-1150 2200-2700 2.000 2.5000-12UNJ-3B 850-1300 2500-3000 (A) These values apply when flared tube, connector or nut are aluminum. (B) These values apply when flared tube or brazed ferrule and connector are steel. (C) Torque values are for nickel gasket seals used with steel fittings, see
43、 Figure 1. SAE AS683D Page 11 of 13 TABLE 3 TORQUE VALUES FOR JAM NUTS, BOLTS AND FITTINGS USED WITH PACKING Nuts (AS 90991, AS91001, AS92001, AS9201, MS9553) Plug (MS9015) Union (AS5174) Bolt Universal Fitting (AS5160 and AS5161) NomTube OD Thread T AS8879 Torque Packing Preformed Dash No. Sizes In
44、ch lbf-in .125 .3125-24UNJF-3B 22-24 -02 .188 .3750-24UNJF-3B 28-32 .250 .4375-20UNJF-3B 38-42 -04 .312 .5000-20UNJF-3B 58-63 -05 .375 .5625-18UNJF-3B 70-80 -06 .438 .6250-18UNJF-3B 95-105 -07 .500 .7500-16UNJF-3B 145-155 -08 .562 .8125-16UNJF-3B 165-185 -09 .625 .8750-14UNJF-3B 190-210 -10 .688 1.0
45、000-12UNJF-3B 260-290 -11 .750 1.0625-12UNJ-3B 285-315 -12 .875 1.1875-12UNJ-3B 350-390 -14 1.000 1.3125-12UNJ-3B 475-525 -16 1.125 1.5000-12UNJF-3B 570-630 -18 1.250 1.6250-12UNJ-3B 570-630 -20 1.500 1.8750-12UNJ-3B 570-630 -24 1.750 2.2500-12UNJ-3B 570-630 -28 2.000 2.5000-12UNJ-3B 570-630 -32 SAE
46、 AS683D Page 12 of 13 TABLE 4 TORQUE VALUES FOR JAM NUTS FOR BULKHEAD FITTINGS NomTubeODThread T AS8879 Torque Inch lbf-in .125 .3125-24UNJF-3B 22-24 .188 .375024-UNJF-3B 28-32 .250 .4375-20UNJF-3B 38-42 .312 .5000-20UNJF-3B 58-63 .375 .5625-18UNJF-3B 70-80 .438 .6250-18UNJF-3B 95-105 .500 .7500-16U
47、NJF-3B 145-155 .562 .8125-16UNJF-3B 165-185 .625 .8750-14UNJF-3B 190-210 .688 1.0000-12UNJF-3B 190-210 .750 1.0625-12UNJ-3B 190-210 .875 1.1875-12UNJ-3B 190-210 1.000 1.3125-12UNJ-3B 190-210 1.125 1.5000-12UNJF-3B 190-210 1.250 1.6250-12UNJ-3B 190-210 1.500 1.8750-12UNJ-3B 190-210 1.750 2.2500-12UNJ
48、-3B 190-210 2.000 2.5000-12UNJ-3B 190-210 10. ADAPTERS 10.1 An adapter with an open end is usually used with tubing. See Figure 6. To correct for use of the adapter, use the following formula: T = R (Eq. 1) where: R= Reading on Torque wrench scale T = Applied torque or actual torque L = Effective le
49、ngth of wrench lever arm E= Effective length of extension SAE AS683D Page 13 of 13 FIGURE 6 ADAPTORS 11. NOTES A change bar (|) 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 i
