1、ASD STANDARD NORME ASD ASD NORM prEN 6123 Edition P 2 July 2006 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATIONGulledelle 94 - B-1200 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 763 3565 - www.asd-stan.orgICS: Supersedes edition P 1 August 2003 Descriptors
2、: ENGLISH VERSION Aerospace series Fitting end, 24 internal cone, external thread, flareless type Extra fine thread pitch Inch series Design standard Srie arospatiale Raccord, cne interne 24, filetage externe, de type sans panoui Filetage pas extra fin Srie inch Norme de conception Luft- und Raumfah
3、rt Endstck, Innenkonus 24, Aussengewinde, nicht gebrdelt Extrafeingewindesteigung Inch-Reihe Konstruktionsnorm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published fo
4、r the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physicall
5、y or functionally, without re-identification of the standard. After examination and review by users and formal agreement of ASD-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard
6、(EN). The CEN national members have then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. Edition approved for publication 31 July 2006 Comments should be sent within six months after the date
7、of publication to ASD-STAN Mechanical Domain Copyright 2006 by ASD-STAN prEN 6123:20062 Contents Page Foreword2 1 Scope 3 2 Normative references 3 3 Required characteristics.3 3.1 Configuration, dimensions and tolerances.3 4 Designation 9 Foreword This standard was reviewed by the Domain Technical C
8、oordinator of ASD-STANs Mechanical Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 6123:20063 1 Scope This standard specifies the dimensions, tolerances and t
9、he required characteristics of a fitting end, 24 cone, external thread, flareless type, size -04 up to -20 for use in hydraulic and fluid systems at 5 080 psi, diameter 1/4 inch D 1“ 1/4 inch (6,35 mm D 31,75 mm) for aerospace applications. This is a design standard. This fitting end can not be used
10、 for plug in union. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 31
11、61, Aerospace UNJ threads General requirements and limit dimensions. 3 Required characteristics 3.1 Configuration, dimensions and tolerances The configuration, dimensions and tolerances shall conform with Figure 1 to Figure 5, Table 1 and Table 2. Dimensions and tolerances are expressed in inch (mil
12、limetres). Unless otherwise specified, the following tolerances are applicable: Linear dimensions: .010 ( 0,25); Angular dimensions: 030. prEN 6123:20064 LHGage point C Y2430455G min.2 incomplete threads max.Root radius not required ASee Figure 4 or 5This style may have an optionalundercut as shown
13、in Figure 2.002(0,05)ASealing surface.047(1,2)Thread T as per ISO 3161ACKey 1 Two incomplete threads max. root radius not required 2 This style may have an optional undercut as shown in Figure 2 3 Sealing surface 4 See Figure 4 or 5. 5 Gage point 6 Thread T as per ISO 3161 Figure 1 Configuration, di
14、mensions and tolerances of fitting end design, style G JN455 Fr .020 - .005r (0,50 - 0,13)Optional undercutFigure 2 Configuration, dimensions and tolerances of fitting end design, style B (same as style G except as shown) 1 2 6 3 45Optional undercut prEN 6123:2006 5 r .005 - .020r (0,13 - 0,50)N455C
15、hamfer 15 5J F.005(0,13)A.047(1,2).047(1,2)r .015 - .031r (0,38 - 0,78)A.005(0,13)AEr .003 - .015r (0,08 - 0,40)Key 1 Chamfer 15 5 Figure 3 Configuration, dimensions and tolerances of fitting end design, style E (same as style G except as shown) 1prEN 6123:2006 6 7530 D.004(0,10)A B.001(0,02)HGage p
16、ointr .015( r 0,38)r .020 .010r (0,5 0,25)Key 1 Gage point Figure 4 Configuration, dimensions and tolerances of fitting end design D.004(0,10)A B.001(0,02)Gage pointr .016 .008( r 0,40 0,20)r .016 .008r (0,40 0,20)90 5HKey 1 Gage point Figure 5 Configuration, dimensions and tolerances of fitting end
17、 design, optional style F 11prEN 6123:2006 7 Table 1 Dimensions and tolerances T A B C D F + .004 0 + .004 .003 Diameter code No. Thread class 3A .003 ( 0,08) Gage Ref. +00,10+0,080,1004 .4375-28UNJEF .187 (4,75) .2930 (7,442) .319 (8,10) .261 (6,63) .379 (9,63) 06 .5625-24UNJEF .297 (7,54) .4160 (1
18、0,566) .441 (11,20) .386 (9,80) .497 (12,62) 08 .7500-20UNJEF .422 (10,72) .5600 (14,224) .601 (15,27) .514 (13,06) .674 (17,12) 10 .8750-20UNJEF .500 (12,70) .6860 (17,424) .727 (18,47) .641 (16,28) .799 (20,29) 12 1.0625-18UNJEF .656 (16,66) .8100 (20,574) .852 (21,64) .766 (19,46) .971 (24,66) 16
19、 1.3125-16UNJ .875 (22,22) 1.0620 (26,975) 1.102 (27,99) 1.016 (25,81) 1.221 (31,01) 20 1.6250-16UNJ 1.093 (27,76) 1.3160 (33,426) 1.355 (34,42) 1.270 (32,26) 1.533 (38,94) G H J L N Y + .015 0 Diameter code No. min .003 ( 0,08) .010 ( 0,25) .003 ( 0,08) +00,38 .010 ( 0,25) 04 .443 (11.25) .234 (5,9
20、4) .453 (11,51) .060 (1,52) .075 (1,91) .365 (9,27) 06 .459 (11.66) .250 (6,35) .469 (11,91) .057 (1,45) .083 (2,11) .480 (12,19) 08 .552 (14.02) .305 (7,75) .562 (14,27) .094 (2,39) .660 (16,76) 10 .615 (15.62) .625 (15,87) .095 (2,41) .107 (2,72) .775 (19,68) 12 .678 (17.22) .350 (8,89) .097 (2,46
21、) .945 (24,00) 16 .678 (17.22) .093 (2,36) 1.195 (30,35) 20 .678 (17.22) .415 (10,54) .688 (17,47) .090 (2,29) .125 (3,18) 1.505 (38,22) The diameter code No. is given in 1/16 inch of tube diameter. For dimensions E see Table 2. prEN 6123:2006 8 Table 2 Wrench pad dimensions E Fitting diameter code
22、Tol. Tol. Wrench Size inch inch mm mm inch 04 06 08 10 12 16 20 07 .438 11,11 7/16 R 08 .500 12,70 1/2 p 09 .563 14,29 9/16 X R 10 .625 15,88 5/8 p p 11 .688 17,46 11/16 X X 12 .750 19,05 3/4 S S R 13 .813 20,64 13/16 S S p 14 .875 22,23 7/8 S S X R 15 .938 23,81 15/16 S S p p 16 1.000 25,40 1“ S S
23、X X 17 1.063 26,99 1“ 1/16 S S S p R 18 1.125 28,58 1“ 1/8 S S S p p 19 1.188 30,16 1“ 3/16 S S S p p 20 1.250 31,75 1“ 1/4 S S S X X 21 1.313 33,34 1“ 5/16 S S S S p R 22 1.375 34,93 1“ 3/8 S S S S X p 23 1.438 36,51 1“ 7/16 S S S S S p 24 1.500 38,10 1“ 1/2 S S S S S X 25 1.563 +.003 .004 39,69 +
24、0,08 0,10 1“ 9/16 S S S S S p 26 1.625 41,28 1“ 5/8 S S S S S X R 27 1.688 42,86 1“ 11/16 S S S S S S p 28 1.750 44,45 1“ 3/4 S S S S S S p 29 1.813 46,04 1“ 13/16 S S S S S S p 30 1.875 47,63 1“ 7/8 S S S S S S p 31 1.938 49,21 1“ 15/16 S S S S S S p 32 2.000 . 010 50,80 0,25 2“ S S S S S S X R Rec
25、ommended for weight saving. X Not permissible for use in 5 080 psi systems (used in 3 000 psi systems). p Possible use. S Special design. prEN 6123:2006 9 4 Designation EXAMPLE Description block FITTING END, FLARELESS Identity block EN6123-08G12F Number of this standard Diameter code No. (1/16 inch of tube outside diameter) (see Table 1) Style designation (see Figure 1 to Figure 3) Optional (for style E) wrench pad size code (1/16 inch) (see Figure 3 and Table 2) Optional (see Figure 5) Inner shoulder style designation
