DLA MIL-DTL-52618 2 E-2012 FITTINGS PIPE ALUMINUM-ALLOY THREADED 150-POUND REDUCERS AND CLOSE AND OPEN PATTERN RETURN BENDS (STRAIGHT SIZES).pdf

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1、AMSC N/A FSC 4730 INCH-POUND MIL-DTL-52618/2E 26 January 2012 SUPERSEDING MIL-DTL-52618/2D 25 November 2002 DETAIL SPECIFICATION SHEET FITTINGS, PIPE, ALUMINUM-ALLOY THREADED, 150-POUND, REDUCERS AND CLOSE AND OPEN PATTERN RETURN BENDS (STRAIGHT SIZES) This specification is approved for use by all D

2、epartments and Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-52618. FIGURE 1. Reducer, closed and open return bend. Requirements The fittings shall be as specified on figure 1. Intended use is

3、with water, oil, or air 150 psi (1.03 MPa) max at 72F (22C). The design, dimensions, and tolerances of reducers and bends shall be in accordance with AMSE B16.3. Aluminum shall be in accordance with MIL-DTL-52618. Provided by IHSNot for ResaleNo reproduction or networking permitted without license f

4、rom IHS-,-,-MIL-DTL-52618/2E 2 Configuration designators shall be in accordance with table I. TABLE I. Configuration code letter for fittings, (see figure A). Configuration code Description F Reducers G Close pattern return bend H Open pattern return bend Size code numbers for reducers shall be in a

5、ccordance with table II. TABLE II. Size code numbers for reducers. Size code numbers Nominal pipe size (inch) X (inch) Port 1 Port 2 24 1/2 X 3/8 25 1/2 X 1/4 26 3/4 X 1/2 27 3/4 X 3/8 28 3/4 X 1/4 29 1 X 3/4 30 1 X 1/2 31 1-X 1 32 1-X 3/4 33 1-X 1-1/4 34 1-X 1 35 1-X 3/4 36 2 X 1-1/2 37 2 X 1-1/4 3

6、8 2 X 1 39 2-X 2 40 3 X 2-1/2 41 3 X 2 42 4 X 3 Size code numbers for return bends shall be in accordance with table III. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-52618/2E 3 TABLE III. Size code numbers for close and open pattern retur

7、n bends (see figures B and C). Size code numbers Nominal pipe size (inch) 04 1/2 05 3/4 06 1 07 1-1/4 08 1-1/2 09 2 10 2-1/2 11 3 12 3-1/2 13 4 14 5 15 6 16 8 17 10 18 12 Pipe threads shall be in accordance with MIL-DTL-52618. Pipe thread direction code shall be in accordance with table IV. TABLE IV

8、. Thread direction code letter. Thread direction code letter Thread direction X Right-hand Y Left-hand Z Right- and left-hand Finish shall be in accordance with MIL-DTL-52618. Finish code letter shall be in accordance with table V. TABLE V. Finish code letter. Finish code Letter Finish A As cast B A

9、s extruded C Anodized Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-52618/2E 4 Part or Identifying Number (PIN). The PIN consists of the letter M, specification sheet number, a dash, configuration code letter, size code numbers, thread dire

10、ction code letter and finish code letter. PIN numbers are assigned as follows: M 52618/2 - F 24 X A PIN example: M52618/2-F24XA indicates a reducer 1/2 to 3/8 inch, right hand threads, and finish is “as cast”. Changes from previous issue. Marginal notations are not used in this revision to identify

11、changes with respect to the previous issue due to the extent of the changes. Referenced documents. In addition to MIL-DTL-52618, this document references ASME B16.3. CONCLUDING MATERIAL Custodians: Army - AT Preparing activity: Navy - AS DLA - CC DLA - CC Review activities: (Project 4730-2012-011) A

12、rmy - CE Navy - MC, SA NOTE: The activities 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 at https:/assist.daps.dla.mil. Finish code letter (see table V) Thread direction code letter (see table IV) Size code number (see table II or table III) Configuration code letter (see table I) M Prefix Specification sheet number Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-