1、AEROSPACE STANDARDNUT, FITTING, FLARELESS, RETAINED, LIGHTWEIGHT,EXTRA FINE THREAD, UP TO 5080 PSIAS5546Copyright 2016 SAE InternationalAll 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
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3、CTIONCUSTODIAN: G-3/G-3CFEDERAL SUPPLY CLASS4730AS5546SHEET 1 OF 3PROCUREMENT SPECIFICATION: /4/SAE Technical Standards BoardRules providethat:“This reportis publishedby SAE to advance thestateoftechnical andengineering sciences. The useofthis reportis entirely voluntary, and its applicability and s
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5、alues your input. To provide feedback on thisTechnical Report, please visit http:/standards.sae.org/AS5546RATIONALENEW STANDARD FOR FLARELESS RETAINED, LIGHT WEIGHT, EXTRA FINE THREAD NUT FOR HYDRAULIC SYSTEMS UP TO 5080 PSI (SUCH AS AS5974) DIMENSIONS, AND REQUIREMENTS FOR SIZES 04 THROUGH 20.FIGUR
6、E 1 - NUT, FITTING, RETAINED, LIGHTWEIGHTAEROSPACE STANDARD AS5546SHEET 2 OF 3NUT, FITTING, FLARELESS, RETAINED, LIGHTWEIGHT,EXTRA FINE THREAD, UP TO 5080 PSITABLE 1A - DIMENSIONSBASIC NO. NOMAS5546 TUBE T THREAD/15/ SIZE PER A B DSIZE CODE REF ISO 3161 /12/ .010 .010 C .010 E F04 .250 .4375-28 UNJE
7、F-3B .615 .258 .524 .456 .077 .19406 .375 .5625-24 UNJEF-3B .718 .361 .649 .581 .086 .25208 .500 .7500-20 UNJEF-3B .843 .500 .842 .769 .101 .34110 .625 .8750-20 UNJEF-3B .968 .625 .968 .894 .101 .39612 .750 1.0625-18 UNJEF-3B 1.015 .640 1.177 1.082 .131 .48516 1.000 1.3125-16 UNJ-3B 1.125 .750 1.427
8、 1.332 .131 .61020 1.250 1.6250-16 UNJ-3B 1.218 .700 1.800 1.645 .131 .766TABLE 1B - DIMENSIONSBASIC NO.AS5546/15/ H M N PSIZE CODE G .001 J K L MIN .010 .00404 .552- .565 .038 .3888- .3970 .456- .466 .384 .635 .542 .50006 .678- .691 .043 .5084- .5166 .583- .593 .422 .775 .668 .57308 .865- .878 .050
9、 .6892- .6977 .776- .786 .487 .990 .855 .66010 .990-1.003 .050 .8055- .8152 .891- .901 .586 1.120 .980 .76312 1.238-1.253 .065 .9814- .9914 1.097-1.107 .573 1.400 1.228 .78016 1.488-1.505 .065 1.2314-1.2414 1.347-1.357 .573 1.650 1.474 .87520 1.983-2.005 .065 1.5439-1.5539 1.659-1.669 .573 2.196 1.9
10、73 .959TABLE 1C - DIMENSIONS AND WEIGHTSBASIC NO. LB/100AS5546 APPROX/15/ R S U AH REFSIZE CODE .015 MAX MIN AG .010 TI04 .210 .434 .060 .415 .345 1.1406 .250 .505 .060 .534 .345 1.5408 .306 .581 .060 - - 2.5910 .347 .693 .070 - - 3.4712 .439 .691 .085 - - 5.8016 .512 .776 .115 - - 8.1120 .710 .860
11、.115 - - 19.76AEROSPACE STANDARD AS5546SHEET 3 OF 3NUT, FITTING, FLARELESS, RETAINED, LIGHTWEIGHT,EXTRA FINE THREAD, UP TO 5080 PSINOTES/1/ MATERIAL CODE LETTER T - TYPE 6AL-4V, SOLUTION HEAT TREATED AND AGED, TITANIUM ALLOY PER AMS4965.2. HEAT TREATMENT FOR MATERIAL CODE LETTER T - NONE.3. FINISH:
12、MATERIAL CODE LETTER T - FLUORIDE-PHOSPHATE CONVERSION COAT PER AMS2486. COLOR TO BE SIMILAR TO COLOR 36076 THROUGH 36176 OF FED-STD-595. SEE NOTE /8/ FOR ADDITIONAL COATING REQUIREMENTS./4/ THIS PART SHALL BE MANUFACTURED BY AN ACCREDITIED MANUFACTURER LISTED IN THE NADCAP QUALIFIED MANUFACTURER LI
13、ST (QML) FOR 5080 PSI HYDRAULIC FLARELESS FITTING ASSEMBLIES SUCH AS AS5958. THE QML IS AVAILABLE AT www.eAuditN. THE QUALIFICATION SHALL BE DETERMINED AT THE ASSEMBLY LEVEL.5. INTENDED USE: THIS PART IS A LIGHTWEIGHT NUT THAT MATES WITH AS5827 THREAD FOR USE ON FLARELESS FITTINGS PER AS5958. USE WI
14、TH AS1791 RETAINER WIRE OR FUNCTIONALLY EQUIVALENT. /6/ IDENTIFICATION: AS478 CLASS C, D, OR METHOD 7A3, 15A, 15B, 30, OR 32 IN ACCORDANCE WITH AS5958. MARK MANUFACTURERS NAME, TRADEMARK OR CAGE CODE, LETTERS “AS” FOR SIZES 04 AND 06, OR AS PART NUMBER IF SPACE PERMITS, AND LOT NUMBER. IDENTIFICATIO
15、N SHALL BE ON HEX FLAT OR OUTSIDE DIAMETER AS SHOWN./7/ SUFFIX LETTER N: PARTS SHALL BE COATED ON THE INTERNAL SURFACES ONLY USING LEAD FREE SOLID FILM LUBRICANT PER AS5272, TYPE I OR II OR AS6449 TYPE III OR IV. MINOR OVERSPRAY IS PERMISSIBLE. /8/ COATINGS: PARTIALLY TO A MINIMUM LENGTH “B”, OR COM
16、PLETELY ANODIZED IN ACCORDANCE WITH EN 2808, OR APPLY AS1241 FLUID RESISTANT PTFE COATING OR PAINT TO THE OUTER SURFACE TO A MINIMUM LENGTH “B” TO INDICATE 5080 PSI MAXIMUM OPERATING PRESSURE. THE FINAL COLOR SHALL BE BLUE SIMILAR TO EITHER NUMBER 15095, 15123, 15180, 15182, 15187, 15488, 15200, 154
17、50, 25095, 25488, 35180, 35183, 35250, 35450, 35466, AND 35488 OF FED-STD-595.9. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M; REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, MACHINED SURFACES TO BE 125 MICROINCHES Ra. SURFACES OF HEX FLATS MAY BE 250 MICROINCHES Ra.10. INTERPRETATION OF DRAWI
18、NG PER AS4296.11. BREAK EDGES .003 TO .015 UNLESS OTHERWISE SPECIFIED./12/ GAUGING AND CONFORMANCE REQUIREMENTS FOR ISO 3161 THREADS SHALL FOLLOW PRACTICES OUTLINED AS8879 CATEGORY 1.13. DIMENSIONS ARE IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: DECIMALS .005, ANGLES 030. DIMENSIONINGAND TOLE
19、RANCING PER ASME Y14.5M-1994./14/ .010 MINIMUM RADIUS UNLESS QUALIFICATION OF SPECIAL PROCESS WITH SMALLER RADIUS./15/ EXAMPLE OF PART NUMBER:AS5546 T 08 NBASIC PART NUMBER CODE LETTER FOR SOLID FILM LUBRICANT /7/MATERIAL CODE LETTER /1/ SIZE CODE, TUBE SIZE IN.062” INCREMENTS (1/2”)16. REVISION IND
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