1、AMSC N/A FSC 4730 AN791 Rev 7 13 February 2013 SUPERSEDING AN791 Rev 6 4 August 2011 DETAIL SPECIFICATION SHEET ELBOW, UNION, 45 DEGREE This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described herein sha
2、ll consist of this specification sheet and MIL-DTL-6001. FIGURE 1. Elbow, union 45. INCH-POUND Inactive for new design after 24 July 1998. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TABLE I. Dash numbers and size. 1/ 2/ Dash number Tubing outsid
3、e diameter Thread S SAE AS5201 NPT Thread T AND10089 B +.047 -.000 C +.047 -.000 E +.047 -.000 N +.047 -.000 R .015 Rad U .015 V .015 W .015 Brass Corrosion resistant steel 2 C2 .125 1/8-27 .3125-32 UNEF-3A .625 .625 .500 .500 .125 .375 .375 .312 3 C3 .188 .3750-24 UNF-3A .656 .531 .156 .375 4 C4 .2
4、50 .4375-20 UNF-3A .203 .438 .438 6 C6 .375 1/4 - 18 .6250-18 UNF-3A .688 .750 .688 .750 .250 .500 .562 .625 8 C8 .500 3/8 - 18 .7500-16 UNF-3A .812 .875 .750 .844 .312 .625 .750 10 C10 .625 1/2 - 14 .9375-14 NS-3 1.062 1.188 .938 1.062 .381 .750 .750 .938 TABLE I. Dash numbers and size Continued. 1
5、/ 2/ Dash number Tubing outside diameter Thread S SAE AS5201 NPT Thread T AND10089 B +1.194 -.000 C 1.194-.000 E +1.194 -.000 N +1.194 -.000 R .381 Rad U .381 V .381 W .381 Brass Corrosion resistant steel 2 C2 3.175 1/8-27 7.925-32 NEF-3A 15.875 15.875 12.7 12.7 3.175 9.525 9.525 7.925 3 C3 4.267 9.
6、525-24 UNF-3A 16.662 13.487 3.962 9.5254 C4 6.350 11.125-20 UNF-3A 5.156 11.125 11.125 6 C6 9.525 1/4 - 18 15.875-18 UNF-3A 17.475 19.05 17.475 19.05 6.350 12.7 14.275 15.875 8 C8 12.700 3/8 - 18 19.050-16 UNF-3A 20.625 22.225 19.05 21.438 7.925 15.875 19.05 10 C10 15.875 1/2 - 14 23.825-14 NS-3 26.
7、975 30.175 23.825 26.975 9.677 19.05 19.05 23.825 1/ Dimensions are in inches 2/ Metric equivalents are given for information only. AN791 Rev 72 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AN791 Rev 7 3 REQUIREMENTS Dimensions. See table I. Unles
8、s otherwise specified tolerances on decimals are .010, angles 0.5. Configuration. See figure 1. Dash numbers 2, 3 and 4 are inactive for new design except for use in oxygen systems and engine primer lines. Dash numbers 6, 8 and 10 are inactive for new design except for use in oxygen systems and grou
9、nd service equipment. Dash numbers 6, 8 and 10 are not to be used on engine primer lines. Materials: Brass; bars, shapes or forgings. Corrosion resistant steel; bars, shapes or forgings. See procurement specification. Finish: See procurement specification. Identification of product. Add P before the
10、 dash number for cadmium plated brass nipple. AN791 X X Size Material, finish Drawing number Example of Part or Identifying Number (PIN): AN791-4 elbow union, brass, for .250 tubing OD. AN791P4 elbow union, brass, cadmium plated, for .250 tubing OD. AN791C4 elbow union, corrosion resistant steel, fo
11、r .250 tubing OD. Workmanship. Break all sharp edges and remove all hanging burrs and slivers which might become dislodged under usage. Changes from previous issue. The margins of this specification are marked with vertical lines to indicate where changes from the previous issue were made. This was
12、done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last p
13、revious issue. Referenced documents. In addition to MIL-DTL-6001, this document references the following: AND10089 SAE AS5201 CONCLUDING MATERIAL Custodians: Preparing activity:Army AR DLA - CC Navy SH Air Force - 99 DLA - CC (Project 4730-2013-043) Review activities: Army AT, AV, CR4 Navy AS, CG, M
14、C, SA, YD Air Force - 71 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.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
