1、 MS20757C 12 February 2013 SUPERSEDING MS20757B 24 July 1975 DETAIL SPECIFICATION SHEET CONNECTOR, FIXED FLANGE, TO HOSE 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. 8 through 32 size codes Inches mm .005 .010 .015 .030 .125 1.625 0.13 0.25 0.38 0.76 3.18 41.28 FIGURE 1. Connector fixed flange dimensions and configurations. AMSC N/A FSC 4730 INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license f
3、rom IHS-,-,-MS20757C 2 40 and 48 size codes Inches mm .005 .010 .015 .030 .125 1.625 0.13 0.25 0.38 0.76 3.18 41.28 Size code number Hose ID inch (mm) A Dia. .003 (0.08) inch (mm) B Dia. +.000 -.015 (0.38) C Dia. .010 (0.25) D inch (mm) 8 .500 (12.70) - - .875 (22.23) - 10 .625 (15.88) - - 1.000 (25
4、.40) - 12 .750 (19.05) .609 (15.47) .891 (22.63) 1.250 (31.75) 2.000 (50.80) 12-16 1.500 (38.10) 16 1.000 (25.40) .844 (21.44) 1.156 (29.36) 20 1.250 (31.75) 1.078 (27.38) 1.438 (36.53) 1.844 (46.84) 2.062 (52.37) 20-24 2.125 (53.98) 2.125 (53.98) 24 1.500 (38.10) 1.312 (33.32) 1.688 (42.88) 32 2.00
5、0 (50.80) 1.781 (45.24) 2.250 (57.15) 2.750 (69.85) 2.188 (55.58) 40 2.500 (63.50) 2.281 (57.94) 2.812 (71.42) 3.281 (83.34) 48 3.000 (76.20) 2.781 (70.64) 3.344 (84.94) 3.781 (96.04) FIGURE 1. Connector fixed flange dimensions and configurations - Continued. Provided by IHSNot for ResaleNo reproduc
6、tion or networking permitted without license from IHS-,-,-MS20757C 3 Size code number E inch (mm) F .005 (0.13) inch (mm) G .005 (0.13) inch (mm) H Dia. +.010 (0.25) -.000 inch (mm) J Rad. .010 (0.25) inch (mm) 8 1.390 (35.31) .016 (0.41) .250 (6.35) .950 (24.13) .205 (5.21) .219 (5.56) 10 1.468 (37
7、.29) 1.038 (26.37) 12 1.594 (40.49) 1.156 (29.36) 12-16 1.750 (44.45) 1.312 (33.32) 16 20 2.188 (55.58) .020 (0.51) 1.656 (42.06) .266 (6.76) .266 (6.76) 20-24 2.375 (60.33) .312 (7.92) 1.812 (46.02) .281 (7.14) 24 32 3.000 (76.20) 2.375 (60.33) .328 (8.33) .312 (7.92) 40 4.000 (101.60) - .375 (9.53
8、) 48 4.500 (114.30) - .625 (15.88) Size code number K Dia. .010 (0.25) L Dia. N Dia. T Dia. min V min 8 1.782 (45.26) 1.344 (34.14) - - - 10 1.906 (48.41) 1.468 (37.29) - - - 12 2.094 (53.19) 1.635 (41.53) .669 (16.99) .609 (15.47) .065 (1.65) 12-16 2.312 (58.72) 1.855 (47.12) 16 .904 (22.96) .859 (
9、21.82) 20 2.875 (73.03) 2.342 (59.49) 1.138 (28.91) 1.059 (26.90) .090 (2.29) 20-24 3.094 (78.59) 2.562 (65.07) 24 1.372 (34.85) 1.309 (33.25) 32 3.953 (100.41) 3.359 (85.32) 1.841 (46.76) 1.793 (45.54) .100 (2.54) 40 4.500 (114.30) 3.812 (96.82) 2.341 (59.46) 2.243 (56.97) 48 5.000 (127.00) 4.312 (
10、109.52) 2.841 (72.16) 2.793 (70.94) NOTES: 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
11、(1.6 m) Ra max will be allowed, machined surfaces shall be finished to 100in (2.54 m) Ra, unless otherwise specified on the figures. Surface finish shall be in accordance with ASME B46.1. 6. Reduction by forging draft angle of 7 maximum is permissible. 7. Break all sharp edges and remove all hanging
12、 burrs or slivers which might become dislodged under usage. FIGURE 1. Connector fixed flange dimensions and configurations - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS20757C 4 REQUIREMENTS: Dimensions and configuration shall be in
13、accordance with figure 1. For design features purposes, this standard takes precedence over documents 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 ai
14、r pressure and submerged in water for 3 minutes minimum. This part is designed for use in fuel and oil systems with maximum operating pressures in accordance with table I. TABLE I. Maximum operating pressure. Size code number Material PSI MPa 02 thru 08 Aluminum alloy 1500 10.3 10 thru 16 Aluminum a
15、lloy 1500 10.3 24 thru 28 Aluminum alloy 500 3.4 32 thru 48 Aluminum alloy 500 3.4 Maximum operating temperature 275 F. Materials and finishes shall be in accordance with table II. TABLE II. Material and finish code letters. Code letter Material Finish D Aluminum alloy 2014-T4 in accordance with SAE
16、-AMS-QQ-A-225/6 or aluminum alloy casting in accordance with ASTM B108/B108M Anodized anodize in accordance with MIL-A-8625, type 2, dye light blue Aluminum alloy 2024 or 2024 forging and bar stock in accordance with SAE-AS4875 DA Aluminum alloy 2014-T4 in accordance with SAE-AMS-QQ-A-225/6 or alumi
17、num alloy casting in accordance with ASTM B108/B108M Chemical conversion coating in accordance with, MIL-DTL-5541, type II, class 3 Aluminum alloy 2024 or 2024 forging and bar stock in accordance with SAE-AS4875 W Aluminum alloy 7075-T73 or T7352 in accordance with SAE-AS4875 Anodize in accordance w
18、ith 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, type II, class 3 The connector flange to hose shall not exceed the weight limits specified in table III. Provided by IHSNot for ResaleNo r
19、eproduction or networking permitted without license from IHS-,-,-MS20757C 5 TABLE III. Weight limits. 1/ Size code number Weight max lbs. (gr) 8 - 10 - 12 .08 (36) 12-16 .09 (41) 16 .10 (45) 20 .16 (73) 20-24 .21 (95) 24 .22 (100) 32 .34 (154) 40 .49 (222) 48 .58 (263) 1/ Metric equivalents given fo
20、r information only. Part or Identifying Number (PIN): The PIN consists of prefix “MS” the specification sheet number, and a dash, letter for material/finish and number for size code. Unassigned PINs shall not be used. MS 20757 - D 8 PIN example: MS20757-D8 indicates a flange to hose adapter .500 inc
21、h (12.70 mm) hose ID to a .875 inch (22.23 mm) flange, aluminum alloy 2014-T4 anodized light blue. Marking: Part shall be permanently marked with the MS PIN, and include the manufacturers CAGE, name, or trademark. Referenced documents shall be of the issue in effect on date of invitation for bid. Re
22、ference 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 changes. Specification sheet number MS prefix Material/finish code letter (see table II) Si
23、ze code number (see figure1) Dash Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS20757C 6 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-AS
24、5132 CONCLUDING MATERIAL Custodians: Preparing activity: Army - AV DLA - CC Navy - AS Air Force - 99 (Project 4730-2012-078) DLA - CC 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. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
