DLA MS8000 REV D (1)-2005 HOSE ASSEMBLY POLYTETRAFLUOROETHYLENE REUSABLE FITTINGS HIGH TEMPERATURE MEDIUM PRESSURE FLARE-TO-FLARE《耀斑对耀斑中压高温可重复使用聚四氟乙烯软管组件》.pdf

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1、 MS8000Dw/AMENDMENT 1 09 September 2005SUPERSEDING MS8000D24 September 2003 INCH-POUND DETAIL SPECIFICATION SHEET HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE, REUSABLE FITTINGS, HIGH TEMPERATURE, MEDIUM PRESSURE, FLARE-TO-FLARE This specification is approved for use by all Departments and Agencies of the

2、 Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-25579. Hose cut-off factor (HCOF) for assembly with class 1 fittings: See table l. TABLE I. HCOF for assembly with class 1 fittings. 1/ Fitting ends HCOF (size vs

3、 length) 3/ Style 2/ Corrosion resistant steel (CRES) 1 2 3/4 4 5 6 8 10 12 16 20 24 A MS27053 MS27053 1.40 1.48 1.54 1.62 1.86 2.10 2.26 2.60 2.88 3.32 MS27053 MS27059 1.78 1.92 1.99 2.10 2.72 B MS27053 MS27055 2.63 3.18 3.44 3.86 4.41 MS27053 MS27060 1.56 1.65 1.74 1.84 2.24 C MS27053 MS27057 2.46

4、 3.05 3.35 3.78 4.34 MS27059 MS27059 2.16 2.36 2.44 2.58 3.58 D MS27055 MS27055 3.16 4.10 4.28 4.84 5.50 MS27059 MS27060 1.94 2.09 2.19 2.32 3.10 E MS27055 MS27057 2.99 3.97 4.19 4.76 5.43 MS27060 MS27060 1.72 1.82 1.94 2.06 2.62 F MS27057 MS27057 2.82 3.84 4.10 4.68 5.36 1/ Class 1 fittings, styles

5、 A through F, are made from CRES. 2/ For depiction of styles see figure 1. 3/ The HCOF is used in the following calculation to determine the hose length required to produce an assembly of a specific size, style and length: Assembly length - HCOF = Hose length. For example, the hose length required t

6、o produce an 18.50 inch length assembly of size 4, style D is calculated as follows: 18.50 - 2.36 = 16.14. HCOF for assembly with class 2 fittings: See table ll. AMSC N/A FSC 4720 Source: http:/assist.daps.dla.mil - Downloaded: 2005-09-30T07:26ZCheck the source to verify that this is the current ver

7、sion before use.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS8000D w/AMENDMENT 1 2 TABLE II. HCOF for assembly with class 2 fittings. 1/ Fitting ends HCOF (size vs length) 3/ Styles 2/ Aluminum and CRES 1 2 8 10 12 16 20 24 G MS27053 MS27053 1.8

8、6 2.10 2.26 2.60 2.88 3.32 MS27053 MS27059 2.72 H MS27053 MS27055 2.63 3.18 3.44 3.86 4.41 MS27053 MS27060 2.24 J MS27053 MS27057 2.46 3.05 3.35 3.78 4.34 MS27059 MS27059 3.58 K MS27055 MS27055 3.16 4.10 4.28 4.84 5.50 MS27059 MS27060 3.10 M MS27055 MS27057 2.99 3.97 4.19 4.76 5.43 MS27060 MS27060 2

9、.62 N MS27057 MS27057 2.82 3.84 4.10 4.68 5.36 1/ Class 2 fittings, styles G through N, are made from combination of aluminum and CRES. 2/ For depiction of styles see figure 1. 3/ The HCOF is used in the following calculation to determine the hose length required to produce an assembly of a specific

10、 size, style and length: Assembly length - HCOF = Hose length. For example, the hose length required to produce an 18.50 inch length assembly of size 4, style D is calculated as follows: 18.50 - 2.36 = 16.14. Protective sleeve code: See table lll. TABLE III. Protective sleeve code. Code Type A SAE A

11、S1072 sleeve, fire protection, silicone covered, temperature ranging from -65F to 450F and intermittently to 500F, secured with CRES bands as required. 1/ B SAE AS1073 - code B sleeve, abrasion protection, heat shrinkable, black polyolefin, temperature ranging from -65F to 250F. C SAE AS1291 - code

12、A sleeve, chafe guard, extruded seamless white PTFE, temperature ranging from -65F to 450F, secured with CRES bands as required. D SAE AS1291 - code C sleeve, chafe guard, extruded seamless transparent FEP, temperature ranging from -65F to 350F, secured with CRES bands as required. E SAE AS1298 slee

13、ve, heavy wall chafe guard, extruded seamless black PTFE, temperature ranging from -65F to 450F, secured with CRES bands as required. L Lock-wire hole F Code A + L G Code B + L H Code C + L J Code D + L K Code E + L 1/ To prevent wicking of fluids, the cut end of the fire protective sleeve (code A)

14、shall be coated with Room Temperature Vulcanized (RTV) silicone rubber prior to installation. After installation, cracks and voids in the fire protective sleeve shall be coated with RTV rubber to prevent exposure of fiberglass. Source: http:/assist.daps.dla.mil - Downloaded: 2005-09-30T07:26ZCheck t

15、he source to verify that this is the current version before use.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS8000D w/AMENDMENT 1 3 NOTES: Class 1 fittings (450F) Corrosion resistant steel Class 2 fittings (275F) Combination aluminum and corrosio

16、n resistant steel End 1 End 2 End 1 End 2 1. See tables I and II for fitting ends and HCOF. 2. Fittings shall mate with parts designed to SAE AS4395. FIGURE 1. Classes 1 and 2 hose assembly styles with flare-to-flare reusable fittings. Source: http:/assist.daps.dla.mil - Downloaded: 2005-09-30T07:26

17、ZCheck the source to verify that this is the current version before use.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS8000D w/AMENDMENT 1 4 REQUIREMENTS Dimensions: Unless otherwise specified, all dimensions are in inches. Fittings: All fittings

18、shall be qualified in accordance with MIL-DTL-27272. Hose: The hose shall be qualified in accordance with MIL-DTL-27267. Assembly classification: Classes 1 and 2 hose assemblies, as specified in MIL-DTL-25579, have been incorporated into the Part or Identifying Number (PIN) as a part of styles (see

19、tables I and II, and figure 1). Angular alignment: Hose assemblies with elbow fittings on each end shall have the angular orientation between the elbows measured counter-clockwise from the centerline of the nearest fitting, positioned at six-oclock, to the centerline of the other fitting (see figure

20、 2). The elbow fitting drop height shall be as shown on figure 3 and table IV. When applicable, the angular alignment shall be expressed in three digits and specified in the PIN. Protective sleeve: If required, the hose assembly shall include a protective sleeve (see table III) and its code shall be

21、 included in the PIN. Fire protective sleeve shall be subjected to testing in accordance with MIL-DTL-25579. Assembly length: Hose assembly shall be furnished in lengths as specified in the contract or purchase order (see MIL-DTL-25579); however, tolerances on the length of each hose assembly shall

22、be as follows: a. 1/8 inch for lengths under 18 inches. b. 1/4 inch for lengths from 18 inches to 36 inches. c. 1/2 inch for lengths from 36 inches to 50 inches. d. 1% for lengths over 50 inches. TABLE IV. Size code and elbow fitting drop height. Maximum drop height of elbow fitting Size Reference t

23、ube OD Size code (a) 1/ (b) 1/ 3/4 0.250 2/ B 0.303 0.550 4 0.250 E 0.342 0.6005 0.313 F 0.360 0.675 6 0.375 G 0.409 0.7408 0.500 H 0.485 0.850 10 0.625 J 0.571 1.16112 0.750 K 0.658 1.411 16Z 1.000 M 0.695 1.53520Z 1.250 N 0.803 1.817 24Z 1.500 P 0.902 2.0671/ Dimensions (a) and (b) are depicted on

24、 figure 3. 2/ Size 3/4 hose assembly consists of a size 4 tube OD hose assembled with size 3 tube OD fittings. Source: http:/assist.daps.dla.mil - Downloaded: 2005-09-30T07:26ZCheck the source to verify that this is the current version before use.Provided by IHSNot for ResaleNo reproduction or netwo

25、rking permitted without license from IHS-,-,-MS8000D w/AMENDMENT 1 5 NOTE: Angular alignment shall be measured in degrees with a tolerance of 2. FIGURE 2. Measurement of angular alignment between elbow fittings. NOTES: 1. Hose assembly length “L” shall be measured, with the hose laid out horizontall

26、y and straight between the centers of the nipple ends, along a straight line parallel to the hose length. 2. See table IV for dimensions of (a) and (b). FIGURE 3. Elbow fitting drop height, dimensions (a) and (b). PIN: The PIN for each hose assembly shall include its size code, length, style, protec

27、tive sleeve type, and the angular alignment between the elbow fittings, as applicable. Example: The PIN for an 8.250 (209.55 mm) inch length, style F hose assembly with a .500 inch (12.70 mm) tube OD, a fire protective sleeve in accordance with SAE AS1072, and a 30 between the elbow fittings shall b

28、e as depicted below. Source: http:/assist.daps.dla.mil - Downloaded: 2005-09-30T07:26ZCheck the source to verify that this is the current version before use.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS8000D w/AMENDMENT 1 08 2 F AH mendment nota

29、tions. The margins of this specification are marked with vertical lines to indicate odifications generated by this amendment. This was done as a ce only and the Government ssumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are f the nts. In addition to MI

30、L-DTL-25579, this document references the following: IL-DTL-27267 73 MS8000 030Amacautioned to evaluate the requirements of this document based on the entire content irrespective omarginal notations. Referenced documeMMIL-DTL-27272 S27055 Angular alignment between elbow fittings as specified on figu

31、re 2 (leave blank for styles A, B, C, G, H, and J). Protective sleeve type (see table III). Leave blank if not required. If a protective sleeve is not required, the PIN shall be as follows: MS8000H082F030. Style (see table I and figure 1). Length in eights of an inch. Length in inches.Size code (see

32、 table IV). Specification number. MSAE AS1291 MS27057 MS27059 MS27053 72 SAE AS10MS27060 SAE AS10SAE AS1298 5 SAEProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-9 AS43Source: http:/assist.daps.dla.mil - Downloaded: 2005-09-30T07:26ZCheck the source t

33、o verify that this is the current version before use.6 convenienMS8000D w/AMENDMENT 1 7 CONCLUDING MATERIAL Custodians: Preparing activity: Army - AV DLA - CC Navy - AS Air Force - 99 (Project 4720-0428-000) DLA - CC Review activities: Army - AR, AT, EA, MI Navy - MC, SA, SH Air Force 70 NOTE: The a

34、ctivities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database a http:/assist.daps.dla.mil. Source: http:/assist.daps.dla.mil - Downloaded: 2005-09-30T07:26ZCheck the source to verify that this is the current version before use.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-