1、AMSC N/A FSC 4730 MIL-DTL-52618/9C 26 January 2012 SUPERSEDING MIL-DTL-52618/9B 25 November 2002 DETAIL SPECIFICATION SHEET FITTINGS, PIPE, ALUMINUM-ALLOY THREADED, 150-POUND, CROSSES (REDUCING SIZES) This specification is approved for use by all Departments and Agencies of the Department of Defense
2、 The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-52618. FIGURE 1. Cross, reducing. REQUIREMENTS: The fittings shall be as specified on figure 1. The design, dimensions, and tolerances of cross reducer shall be in accordance with ASME
3、 B16.3. Intended use is with water, oil, or air 150 psi (1.03 MPa) max at 72F (22C). Aluminum shall be in accordance with MIL-DTL-52618. INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-52618/9C 2 Size code designators shall be in a
4、ccordance with table I. TABLE I. Size code numbers for reducing crosses. Size code numbers Nominal pipe size (inch) Port 1 Port 2 Port 3 Port 4 901 3/4 x 3/4 x 1/2 x 1/2 902 1 x 1 x 3/4 x 3/4 903 1-1/4 x 1-1/4 x 1 x 1 904 1-1/4 x 1-1/4 x 3/4 x 3/4 905 1-1/2 x 1-1/2 x 1-1/4 x 1-1/4 906 1-1/2 x 1-1/2
5、x 1 x 1 907 1-1/2 x 1-1/2 x 3/4 x 3/4 908 2 x 2 x 1-1/2 x 1-1/2 909 2 x 2 x 1-1/4 x 1-1/4 910 2 x 2 x 1 x 1 911 2 x 2 x 3/4 x 3/4 912 2-1/2 x 2-1/2 x 2 x 2 913 2-1/2 x 2-1/2 x 1-1/2 x 1-1/2 914 2-1/2 x 2-1/2 x 1-1/4 x 1-1/4 915 2-1/2 x 2-1/2 x 1 x 1 916 3 x 3 x 2 x 2 917 3 x 3 x 1-1/2 x 1-1/2 918 3
6、x 3 x 1-1/4 x 1-1/4 919 3 x 3 x 1 x 1 920 3-1/2 x 3-1/2 x 2-1/2 x 2-1/2 921 3-1/2 x 3-1/2 x 2 x 2 922 3-1/2 x 3-1/2 x 1-1/2 x 1-1/2 923 4 x 4 x 3 x 3 924 4 x 4 x 2-1/2 x 2-1/2 925 4 x 4 x 2 x 2 926 4 x 4 x 1-1/2 x 1-1/2 927 5 x 5 x 4 x 4 928 5 x 5 x 3 x 3 929 5 x 5 x 2 x 2 930 6 x 6 x 4 x 4 931 6 x
7、6 x 3 x 3 932 6 x 6 x 2-1/2 x 2-1/2 933 6 x 6 x 2 x 2 934 8 x 8 x 6 x 6 935 8 x 8 x 4 x 4 Pipe threads shall be in accordance with MIL-DTL-52618. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-52618/9C 3 Pipe thread direction code shall be i
8、n accordance with table II. TABLE II. 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 III. TABLE III. Finish code letter.
9、 Finish code letter Finish A As cast B As extruded C Anodized Part or Identifying Number (PIN). The PIN consists of the letter M, specification sheet number, a dash, configuration code letter, size code numbers, thread direction code letter and finish code letter are combined to form the part or ide
10、ntifying number. PINs are assigned as follows: M 52618/9 - 901 X A PIN example: M52618/9-901XA indicates a reducing cross 3/4 x 3/4 x 1/2 x 1/2 inch pipe, right hand threads, and finish is “as cast”. Changes from previous issue. Marginal notations are not used in this revision to identify changes wi
11、th respect to the previous issue due to the extent of the changes. Thread direction code letter (see table II) Finish code letter (see table III) Specification sheet number Size code numbers (see table I) M prefix number Provided by IHSNot for ResaleNo reproduction or networking permitted without li
12、cense from IHS-,-,-MIL-DTL-52618/9C 4 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 4730-2012-018) Army - CE Navy - MC, SA NOTE: The activi
13、ties 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. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
