1、 MS20759C 12 February 2013 SUPERSEDING MS20759B 14 April 1994 DETAIL SPECIFICATION SHEET ELBOW, HOSE, FLANGED SWIVEL, 90 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 t
2、his specification sheet. Inches mm .005 .030 .062 .125 0.13 0.76 1.57 3.18 FIGURE 1. Hose to swivel flange dimensions and configurations. AMSC N/A FSC 4730 INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS20759C 2 Size code number Hose ID
3、 inch (mm) A dia. .003 (0.08) (see note 7) inch (mm) B +.047 (1.19) -.000 inch (mm) C +.047 (1.19) -.000 inch (mm) D dia. +.000 -.010 (0.25) (see note 7) 12 .750 (19.05) .609 (15.47) 1.312 (33.32) 2.125 (53.98) .965 (24.51) 12-16 16 1.000 (25.40) .844 (21.44) 1.438 (36.53) 2.250 (57.15) 1.215 (30.86
4、) 20 1.250 (31.75) 1.078 (27.38) 1.688 (42.88) 2.438 (61.93) 1.465 (37.21) 20-24 24 1.500 (38.10) 1.312 (33.32) 1.812 (46.02) 2.562 (65.07) 1.745 (44.32) 32 2.000 (50.80) 1.781 (45.24) 2.188 (55.58) 2.875 (73.03) 2.375 (60.33) 40 2.500 (63.50) 2.281 (57.94) 2.438 (61.93) 3.125 (79.38) 2.875 (73.03)
5、48 3.000 (76.20) 2.781 (70.64) 2.688 (68.28) 3.375 (85.73) 3.375 (85.73) Size code number E dia. +.000 -.005 (0.13) (see note 7) inch (mm) F +.000 -.005 (0.13) inch (mm) G rad inch (mm) H +.047 (1.19) -.000 inch (mm) J +.047 (1.19) -.000 inch (mm) 12 1.250 (31.75) .156 (3.96) .594 (15.09) .719 (18.2
6、6) 1.531 (38.89) 12-16 1.500 (38.10) 16 .719 (18.26) 20 1.844 (46.84) .875 (22.23) .812 (20.62) 1.562 (39.67) 20-24 2.125 (53.98) .188 (4.78) 24 1.000 (25.40) 32 2.750 (69.85) 1.312 (33.32) .875 (22.23) 40 3.281 (83.34) 1.562 (39.67) 48 3.781 (96.04) 1.812 (46.02) Size code number K inch (mm) L .030
7、 (0.76) inch (mm) M dia. .015 (0.38) inch (mm) N dia. inch (mm) min max 12 .125 (3.18) .164 (4.17) .250 (6.35) .875 (22.23) .669 (16.99) 12-16 16 .141 (3.58) .176 (4.47) 1.125 (28.58) .904 (22.96) 20 .156 (3.96) .221 (5.61) 1.375 (34.93) 1.138 (28.91) 20-24 24 .172 (4.37) .234 (5.94) .375 (9.53) 1.6
8、25 (41.28) 1.372 (34.85) 32 .203 (5.16) .322 (8.18) 2.359 (59.92) 1.841 (46.76) 40 .234 (5.94) .333 (8.46) 2.859 (72.62) 2.341 (59.46) 48 .250 (6.35) .344 (8.74) 3.359 (85.32) 2.841 (72.16) FIGURE 1. Hose to swivel flange dimensions and configurations - Continued. Provided by IHSNot for ResaleNo rep
9、roduction or networking permitted without license from IHS-,-,-MS20759C 3 Size code number T dia. min inch (mm) V min inch (mm) 12 .609 (15.47) .065 (1.65) 12-16 16 .859 (21.82) 20 1.059 (26.90) .090 (2.29) 20-24 24 1.309 (33.25) 32 1.793 (45.54) .100 (2.54) 40 2.293 (58.24) 48 2.793 (70.94) NOTES:
10、1. Dimensions are in inches. 2. Metric equivalents are given for information only. 3. Unless otherwise specified tolerances are .005 inch (0.13 mm), angles .5. 4. Break sharp edges .and remove all hanging burrs and slivers 5. Annular tool marks up to 63 in (1.6 m) Ra max will be allowed, machined su
11、rfaces shall be finished to 100-in (2.54 m) Ra, unless otherwise specified on the figures. Surface finish shall be in accordance with ASME B46.1. 6. Internal flow passage around bend shall be smooth and free from projections. 7. Diameters A, D, and E shall be concentric with each other within .010 i
12、nch (0.25 mm) TIR. 8. Reduction by forging draft angle of 7 max permissible. FIGURE 1. Hose to swivel flange dimensions and configurations - Continued. REQUIREMENTS: Dimensions and configuration shall be in accordance with figure 1. For design features purposes, this standard takes precedence over d
13、ocuments referenced herein. Referenced documents shall be of the issue in effect on date of invitation for bid. Porosity test: finished castings shall not leak when subjected to 100-psi (0.7 MPa) internal air pressure and submerged in water for 3 minutes minimum. This part is designed for use in fue
14、l and oil systems with maximum operating pressures in accordance with table I. TABLE I. Maximum operating pressure. Size code number Material PSI MPa 12 thru 16 Aluminum alloy 1500 10.3 24 thru 28 Aluminum alloy 500 3.4 32 thru 48 Aluminum alloy 500 3.4 Maximum operating temperature 275 F (135C). Ma
15、terials and finishes shall be in accordance with table II. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS20759C 4 TABLE II. Material and finish code letters. Code letter Material Finish D Aluminum alloy 2014-T4 in accordance with SAE-AMS-QQ-A-225
16、/6 or aluminum alloy casting in accordance with ASTM B108/B108M Anodized anodize in accordance with MIL-A-8625, type 2, dye light blue DA Aluminum alloy 2014-T4 in accordance with SAE-AMS-QQ-A-225/6 or aluminum alloy casting in accordance with ASTM B108/B108M Chemical conversion coating in accordanc
17、e with, MIL-DTL-5541, type II, class 3 DB Aluminum alloy 2024 or 2024 forging and bar stock in accordance with SAE-AS4875 Anodized anodize in accordance with MIL-A-8625, type 2, dye blue DC Aluminum alloy 2024 or 2024 forging and bar stock in accordance with SAE-AS4875 Chemical conversion coating in
18、 accordance with, MIL-DTL-5541, type II, class 3 W Aluminum alloy 7075-T73 or T7352 in accordance with SAE-AS4875 Anodize in accordance with MIL-A-8625, type 2, dye brown WC Aluminum alloy 7075-T73 or T7352 in accordance with SAE-AS4875 Chemical conversion coating in accordance with, MIL-DTL-5541, t
19、ype II, class 3 The connector flange to hose shall not exceed the weight limits specified in table III. TABLE III. Weight limits. 1/ Size code number Weight max lbs. (gr) 12 .10 (45) 12-16 .12 (54) 16 .15 (68) 20 .26 (118) 20-24 .28 (127) 24 .25 (113) 32 .73 (331) 40 1.04 (472) 48 1.40 (635) 1/ Metr
20、ic equivalents given for information only. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS20759C 5 Part or Identifying Number (PIN): The PIN consists of prefix “MS” the specification sheet number, and a dash, letter for material/finish and number
21、for size code. Unassigned PINs shall not be used. MS 20759 - D 12 PIN example: MS20759-D12 indicates a flange to hose adapter .750 inch (19.05 mm) hose ID to a 1.250 inch (31.75 mm) flange. Marking: Part shall be permanently marked with the MS PIN, and include the manufacturers CAGE, name, or tradem
22、ark. Referenced documents shall be of the issue in effect on date of invitation for bid. Reference design standard MS33786 for installation. Changes from previous issues. Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the extent of the
23、changes. Referenced documents. This document references the following: MIL-A-8625 MIL-DTL-5541 MS33786 ASME B46.1 ASTM B108/B108M SAE-AMS-QQ-A-225/6 SAE-AS4875 SAE-AS5132 CONCLUDING MATERIAL Custodians: Preparing activity: Army - AV DLA - CC Navy - AS Air Force - 99 (Project 4730-2012-079) DLA - CC
24、Review activities: Army - MI Navy - MC, SA 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. Specification sheet number MS prefix Material/finish code letter (see table II) Size code number (see figure1) Dash Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
