1、AMSC N/A 1 of 5 FSC 4730 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. INCH-POUND MS27394B 24 September 2003 SUPERSEDING MS27394A 30 June 1972 DETAIL SPECIFICATION SHEET ELBOW, FLARELESS, TUBE TO HOSE - 90 SWIVEL NUT 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 and MIL-DTL-27272. FIGURE 1. Elbow illustration. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS2
3、7394B 2 NOTES: 1. Use A dimension when the adjacent diameter to the left of plane B-B is greater than J dimension. When the adjacent diameter is equal to or less than J dimension, M dimension may be used in place of A dimension. 2. Any design of the elbow to the left of plane B-B is acceptable provi
4、ded the dimensions P and U and the requirements of this specification sheet and the procurement specification are met. Any forged design is acceptable for -3/ -4 through 8 size. Any bent tube design is acceptable for -10 through -24 size. The inside diameter (ID) of the elbow for the -10 through -24
5、 size shall not be less than the ID of the nipple end of the fitting. Ovality shall not exceed 7.5 percent of nominal tubing outside diameter (OD). 3. Dimensions are in inches. Metric equivalent is given for general information only. FIGURE 1. Elbow illustration - Continued. Provided by IHSNot for R
6、esaleNo reproduction or networking permitted without license from IHS-,-,-TABLE I. Elbow requirements. PIN MS27394 A 1/ min B min C D +.005 E F G +.005 H .005 J +.005 Steel Alum -.000 -.000 -.000 -3/-4C - .515 .870 .106 .010 .307 .25 .05 .288 +.005 .205 .295 .373 -4C - -.000 -5C - .520 .890 .116 .32
7、2 .316 .268 .360 .416 -6C - .555 .391 .330 .425 .491 -8C -8D .630 1.030 .140 .020 .335 .32 .12 .497 .426 .530 .616 -10C -10D .654 1.130 .098 +.004 -.000 - .35 .15 .586 .526 .625 .706 -12C -12D .755 1.240 .128 +.005 - .674 .650 .760 .826 -16C -16D .831 1.340 -.000 - .39 .19 1.001 +.008 -.000 .900 1.0
8、40 1.150 -20C -20D .881 1.570 - .48 .28 1.255 +.005 1.151 1.275 1.405 -24C -24D 1.035 1.720 - .50 .30 1.490 -.000 1.401 1.550 1.635 PIN MS27394 K L .004 M 1/min N P Q max S Steel Alum Steel Alum -3/-4C - .015 +.005 .036 .485 .161 - +.005 .845 .020 - .480 .010 -4C - -.000 - -.000 - -5C - .040 .501 .2
9、24 - .900 - -6C - .521 .261 - .965 - -8C -8D .020 .047 .583 .345 .345 +.006 1.235 - .600 -10C -10D .005 - .620 .440 .440 -.000 1.315 .035 - .650 .015 -12C -12D .030 - .720 .560 .560 1.808 15.5 .675 .025 -16C -16D - .796 .828 .828 1.901 10.5 .730 -20C -20D - .846 1.058 1.058 2.180 15.5 .935 -24C -24D
10、 .035 - 1.000 1.253 1.282 +.005 -.000 2.500 .980 MS27394B3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS27394B 4 TABLE I. Elbow requirements - Continued. PIN MS27394 T max U V W +.005 -.000 Steel Alum Steel Alum -3/-4C - - .741 .020 - - - - -4C -
11、 - .725 - - - - -5C - - .808 - - - -6C - - .915 - - - - -8C -8D - 1.052 - - - -10C -10D - 1.392 .035 - - .420 .427 -12C -12D .900 1.626 .625 .010 .500 .500 -16C -16D 1.190 1.776 .670 .545 .545 -20C -20D 1.485 2.056 .695 .565 .571 -24C -24D 1.750 2.438 .795 .665 .665 1/ Use A dimension when the adjac
12、ent diameter to the left of plane B-B is greater than J dimension. When the adjacent diameter is equal to or less than J dimension, M dimension may be used in place of A dimension. Intended use. The part is a component of MS27390 for sizes -3/-4C through 8, and MS27388 for sizes -10 through 24. This
13、 is a design standard for manufacturing purposes. The item is only procured as an integral part of adapter assemblies. Identification of product. The Part or Identifying Number (PIN) for this part shall be as specified in table I (e.g., MS27394-4C). Dimensions and tolerances. Unless otherwise specif
14、ied, break or radius all corners .005, +.005, -.000. All diameters within length A plus S must be concentric within .005 full indicator movement. Material. PIN suffix C: Corrosion-resistant steel, class 304 or 321, cold finish condition A, in accordance with SAE AMS-QQ-S-763. PIN suffix D. Aluminum
15、alloy, 6061-T6 or T651, in accordance with SAE AMS-QQ-A-367 or SAE AMS-QQ-A-225/8. Finish. Corrosion-resistant steel: Passivate in accordance with SAE AMS-QQ-P-35. Dry-film lubricate area X with lubricant conforming to SAE AS1701, dry-film same area for 10 thru 24. No overspray allowed. Aluminum all
16、oy. Anodize in accordance with MIL-A-8625, type II, dye yellow. Surface roughness. Unless otherwise specified, maximum surface roughness shall not exceed 125 in. Ra in accordance with ASME B46.1. Order of precedence. This specification takes precedence over the documents referenced herein. Unless ot
17、herwise specified, referenced documents shall be of the issue in effect on the date of solicitation. Remove all burrs and slivers. Elbow illustration. See figure 1. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS27394B 5 Changes from previous issu
18、e. Marginal notations are not used in this revision to identify changes with respect to the previous issue, due to the extent of the changes. CONCLUDING MATERIAL Custodians: Preparing activity: Army - AV DLA - CC Navy - AS Air Force - 99 (Project 4730-0868-075) DLA - CC Review activities: Army - AT, MI Navy - MC, SA, SH Air Force - 71 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
