1、AMSC N/A FSC 4730 AN780 Rev 7 4 August 2011 SUPERSEDING AN780 Rev 6 23 July 1956 DETAIL SPECIFICATION SHEET NIPPLE, UNION This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of
2、this specification sheet and MIL-DTL-6001. FIGURE 1. Nipple, union. 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 outside diameter Threa
3、d S SAE AS5201 ANPT Thread T AND10089 A B J .005 Diameter M Diameter Q Reference Weight Max Brass Corrosion resistant steel Brass lbs Corrosion resistant steel 2 C2 .125 1/8-27 .3125-32 UNEF-3A .812 .438 .003 .125 .406 .51 .026 3 C3 .188 .3750-24 UNF-3A .938 .161 .028 4 C4 .250 .4375-20 UNF-3A 1.000
4、 .562 .004 .189 .65 .038 5 C5 .312 .5000-20 UNF-3A 1.062 .625 .72 .045 6 C6 .375 1/4 - 18 .6250-18 UNF-3A 1.312 .750 .281 .547 .87 .080 8 C8 .500 3/8 - 18 .7500-16 UNF-3A 1.500 .875 .406 .672 1.01 .125 10 C10 .625 1/2 - 14 .9375-14 NS-3 1.750 .938 .531 .844 1.09 .185 12 .750 3/4 - 14 1.1250-12 UNF-3
5、A 1.875 1.250 .005 .719 1.047 1.30 .270 16 1.000 1.5000-12 UNF-3A 1.750 2.02 TABLE I. Dash numbers and size Continued. 1/ 2/ Dash number Tubing outside diameter Thread S SAE AS5201 ANPT Thread T AND10089 A B J .127 Diameter M Diameter Q Reference Weight Max Brass Corrosion resistant steel Brass Kg C
6、orrosion resistant steel 2 C2 3.175 1/8 - 27 .3125-32 UNEF-3A 20.625 11.125 0762 3.175 10.312 12.954 .012 3 C3 4.775 .3750-24 UNF-3A 23.825 4.089 .013 4 C4 6.350 .4375-20 UNF-3A 25.400 14.275 .1016 4.801 16.510 .017 5 C5 7.925 .5000-20 UNF-3A 26.975 15.875 18.288 .020 6 C6 9.525 1/4 - 18 .6250-18 UN
7、F-3A 33.325 19.050 7.137 13.894 22.098 .036 8 C8 12.700 3/8 - 18 .7500-16 UNF-3A 38.100 22.225 10.312 17.069 25.654 .057 10 C10 15.875 1/2 - 14 .9375-14 NS-3 44.450 23.825 13.487 16.358 27.686 .084 12 19.050 3/4 - 14 1.1250-12 UNF-3A 47.625 31.750 .1270 18.263 26.594 33.020 .122 16 25.400 1.5000-12
8、UNF-3A 44.450 51.308 1/ Dimensions are in inches 2/ Metric equivalents are given for information only. AN780 Rev72Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AN780 Rev 7 3 REQUIREMENTS Dimensions. See table I. Unless otherwise specified tolerance
9、s on decimals are .010, angles 0.5. Configuration. See figure 1. Inactive for new design. Dash numbers 12 and 16 are inactive for new design. Dash numbers 2, 3 and 4 are inactive for new design except for use in oxygen systems and engine primer lines. Dash numbers 5, 6, 8 and 10 are inactive for new
10、 design except for use in oxygen systems. Dash numbers 5, 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 pr
11、oduct. Add P before the dash number for cadmium plated brass nipple. AN780 X X Size Material, finish Drawing number Example of Part or Identifying Number (PIN): AN780-4 nipple union, brass, for .250 tubing OD. AN780P4 nipple union, brass, cadmium plated, for .250 tubing OD. AN780C4 nipple union, cor
12、rosion resistant steel, for .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. Marginal notations are not used in this revision to identify changes with respect to the previous issue due t
13、o the extent of the changes. 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 4730-2010-180) Review activities: Army AT, AV, CR4
14、 Navy AS, CG, MC, 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.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
