1、 MS33786B 12 February 2013 SUPERSEDING MS33786A 1 February 1985 DETAIL SPECIFICATION SHEET FITTING, INSTALLATION, FLARED TUBE AND HOSE, SWIVEL This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described her
2、ein shall consist of this specification sheet. FIGURE 1. Installation swivel fitting, flared tube, dimensions and configurations. AMSC N/A FSC 4730 INCH-POUND Inch mm .030 0.76 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS33786B 2 Size code numb
3、er Nominal tube and hose size (ref) inch (mm) A dia. .003 (0.08) C dia. +.000 -.005 (0.13) inch (mm) N (see note 5) inch (mm) E inch (mm) -8 .500 (12.70) .383 (9.73) .875 (22.23) .281 (7.14) 1.390 (35.31) .016 (0.41) -10 .625 (15.88) .469 (11.91) 1.000 (25.40) 1.468 (37.29) -12 .750 (19.05) .609 (15
4、.47) 1.250 (31.75) 1.594 (40.49) -12-16 1.500 (38.10) 1.750 (44.45) -16 1.000 (25.40) .844 (21.44) -20 1.250 (31.75) 1.078 (27.38) 1.844 (46.84) .375 (9.53) 2.188 (55.58) .020 (0.51) -20-24 2.125 (53.98) 2.375 (60.33) -24 1.500 (38.10) 1.312 (33.32) -32 2.000 (50.80) 1.781 (45.24) 2.750 (69.85) .469
5、 (11.91) 3.000 (76.20) -40 2.500 (63.50) 2.281 (57.94) 3.281 (83.34) 4.000 (101.60) -48 3.000 (76.20) 2.781 (70.64) 3.781 (96.04) 4.500 (114.30) Size code number Wrench torque (see note 6) inch-lbs (Nm) -8 40 (4.5) -10 -12 -12-16 -16 -20 100 (11.3) -20-24 -24 -32 225 (25.4) -40 -48 NOTES: 1. Dimensi
6、ons are in inches. 2. Metric equivalents are given for information only. 3. Unless otherwise noted tolerances are .005 (0.76 mm), angles .5. 4. Detail design and construction of swivel fitting mounting pad optional except that gasket sealing surfaces, as noted, shall be finished smooth with a surfac
7、e roughness not to exceed 150-in Ra. Surface finish shall be in accordance with ASME B46.1. 5. Dimension “N” for studs and cap screws only. 6. Tabulated torque values indicate limits for proper sealing of fitting to pad. FIGURE 1. Installation swivel fitting, flared tube, dimensions and configuratio
8、ns - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS33786B 3 Size code number Thread J in accordance with MIL-S-7742 (see note 5) K inch (mm) L inch (mm) N inch (mm) -8 10-32NF-3A .625 (15.88) .500 (12.70) .281 (7.14) -10 -12 -12-16 -16
9、 -20 .2500-28UNF-3A .688 (17.48) .562 (14.27) .375 (9.53) -20-24 .750 (19.05) .625 (15.88) -24 -32 .3125-24UNF-3A .812 (20.62) .688 (17.48) .469 (11.91) -40 -48 FIGURE 2. Installation swivel fitting, hose connection, dimensions and configurations. Provided by IHSNot for ResaleNo reproduction or netw
10、orking permitted without license from IHS-,-,-MS33786B 4 Size code number Wrench torque (see note 6) inch-lbs (Nm) -8 40 (4.5) -10 -12 -12-16 -16 -20 100 (11.3) -20-24 -24 -32 225 (25.4) -40 -48 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for information only. 3. Unless other
11、wise noted tolerances are .005 (0.13 mm), angles .5. 4. Detail design and construction of swivel fitting mounting pad optional except that gasket sealing surfaces, as noted, shall be finished smooth with a surface roughness not to exceed 150-in Ra. Surface finish shall be in accordance with ASME B46
12、.1. 5. Thread J applies to external portion of studs and internal tapped thread for cap screws. 6. Tabulated torque values indicate limits for proper sealing of fitting to pad. FIGURE 2. Installation swivel fitting, hose connection, dimensions and configurations - Continued. Provided by IHSNot for R
13、esaleNo reproduction or networking permitted without license from IHS-,-,-MS33786B 5 Inch mm .005 0.13 Size code number Nominal tube and hose size (ref) inch (mm) C dia. +.000 -.005 (0.13) inch (mm) D .005 (0.13) inch (mm) E inch (mm) -8 .500 (12.70) .875 (22.23) .950 (24.13) 1.390 (35.31) .016 (0.4
14、1) -10 .625 (15.88) 1.000 (25.40) 1.308 (33.22) 1.468 (37.29) -12 .750 (19.05) 1.125 (28.580 1.156 (29.36) 1.594 (40.49) -12-16 1.500 (38.10) 1.312 (33.32) 1.750 (44.45) -16 1.000 (25.40) -20 1.250 (31.75) 1.844 (46.84) 1.656 (42.06) 2.188 (55.58) .020 (0.51) -20-24 2.125 (53.98) 1.812 (46.02) 2.375
15、 (60.33) -24 1.500 (38.10) -32 2.000 (50.80) 2.750 (69.85) 2.375 (60.33) 3.000 (76.20) FIGURE 3. Square mounting for fittings -8 through -32, dimensions and configuration. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS33786B 6 Size code number F
16、rad. inch (mm) G dia. .005 (0.13) inch (mm) -8 .219 (5.56) 1.344 (34.14) -10 1.468 (37.29) -12 1.635 (41.53) -12-16 1.855 (47.12) -16 -20 .266 (6.76) 2.342 (59.49) -20-24 .281 (7.14) 2.562 (65.07) -24 -32 .312 (7.92) 3.359 (85.32) FIGURE 3. Square mounting for fittings -8 through -32, dimensions and
17、 configuration - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS33786B 7 Inch mm .0025 0.064 Size code number Nominal tube and hose size (ref) inch (mm) C dia. +.000 -.005 (0.13) inch (mm) E inch (mm) F rad. inch (mm) -40 2.500 (63.50)
18、3.281 (83.34) 4.000 (101.60) .020 (0.51) .375 (9.53) -48 3.000 (76.20) 3.781 (96.04) 4.500 (114.30) .625 (15.88) Size code number G dia. .005 (0.13) inch (mm) H dia. inch (mm) Thread J in accordance with MIL-S-7742 (see note 5) M bolt hole +.010 (0.25) -.000 inch (mm) -40 3.812 (96.82) 4.500 (114.30
19、) .3125-24UNF-3A .328 (8.33) -48 4.312 (109.52) 5.000 (127.00) NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for information only. 3. Unless otherwise noted tolerances are .005 (0.76 mm), angles .5. 4. Detail design and construction of swivel fitting mounting pad optional excep
20、t that gasket sealing surfaces, as noted, shall be finished smooth with a surface roughness not to exceed 150-in Ra. Surface finish shall be in accordance with ASME B46.1. 5. Thread J applies to external portion of studs and internal tapped thread for cap screws. FIGURE 4. Installation hex mounting
21、-40 and -48, dimensions and configurations. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS33786B 8 FIGURE 5. Installation (56 through 112) dimensions and configurations. Inch mm .0025 .010 .030 .031 .062 .625 0.064 .25 0.76 0.79 1.57 15.88 Provid
22、ed by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS33786B 9 Size code number Nominal tube and hose size (ref) inch (mm) A dia. +.050 (1.27) -.005 (0.13) C dia. inch (mm) G dia, .005 (0.13) inch (mm) 56 3.500 (88.90) 3.281 (88.34) 4.281 (108.74) +.020 (0.51)
23、 -.000 4.875 (123.83) 64 4.000 (101.60) 3.781 (96.04) 4.781 (121.44) 5.438 (138.13) 80 5.000 (127.00) 4.781 (121.44) 5.781 (146.84) 6.438 (163.53) 96 6.000 (152.40) 5.781 (146.84) 6.781 (172.24) +.030 (0.76) -.000 7.438 (188.93) 112 7.000 (177.80) 6.781 (172.24) 7.781 (197.64) 8.500 (215.90) Size co
24、de number H dia. min inch (mm) Thread J in accordance with MIL-S-7742 (see note 5) K .020 (0.51) inch (mm) L M Bolt hole +.010 (0.25) -.000 inch (mm) 56 5.562 (141.27) .3125-24UNF-3A .812 (20.62) .688 (17.48) .328 (8.33) 64 6.125 (155.58) 80 7.125 (180.98) 96 8.125 (206.38) 112 9.188 (233.38) Size c
25、ode number N (see note 6) inch (mm) P Attachment points X inch (mm) Y +.005 (0.13) -.000 inch (mm) 56 .469 (11.91) 8 4.214 (107.04) +.000 -.010 (0.25) .188 (4.78) 64 4.777 (121.34) 80 10 5.777 (146.74) .208 (5.28) 96 12 6.777 (172.14) +.000 -.020 (0.51) 112 14 7.840 (199.14) .220 (5.59) Size code nu
26、mber Wrench torque (see note 7) inch-pounds (Nm) 56 225 (25.4) 64 80 96 112 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for information only. 3. Unless otherwise noted tolerances are .005 (0.76 mm), angles .5. 4. Detail design and construction of swivel fitting mounting pad o
27、ptional except that gasket sealing surfaces, as noted, shall be finished smooth with a surface roughness not to exceed 150-in Ra. Surface finish shall be in accordance with ASME B46.1. 5. Thread J applies to external portion of studs and internal tapped thread for cap screws. 6. For studs and cap sc
28、rews only. 7. Tabulated torque values indicate limits for proper sealing of fitting to pad. FIGURE 5. Installation (56 through 112) dimensions and configurations - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS33786B 10 REQUIREMENTS: T
29、his is a design standard and not to be used as a Part or Identifying Number (PIN). Dimensions and configuration shall be in accordance with figures 1, 2, 3, 4, and 5. For design features purposes, this standard takes precedence over documents referenced herein. Connectors have fixed or integral moun
30、ting flanges, but all fittings provided for a given tube size are fully interchangeable in mounting dimensions. Mounting with studs, standard thru-bolts with self-locking nuts or cap screws with heads lockwired and threaded into helical coil or threaded inserts for soft metals. This part is designed
31、 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 -8 thru -16 Aluminum alloy 1500 10.3 -20 thru -48 Aluminum alloy 500 3.4 -56 thru -112 Aluminum alloy 200 1.4 Maximum operating tempera
32、ture 275F (135C). Referenced documents shall be of the issue in effect on date of invitation for bid. For design feature purposes, this standard takes precedence over procurement documents referenced herein. Changes from previous issues. Marginal notations are not used in this revision to identify c
33、hanges with respect to the previous issue due to the extent of the changes. Referenced documents. This document references the following: AN763 AN818 MIL-S-7742 MS20756 MS20757 MS20758 MS20759 MS20760 MS20761 MS20762 MS28741 ASME B46.1 NASM21042 NAS1149 SAE-AS3220 SAE-AS4330 SAE-AS5176 Provided by I
34、HSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS33786B 11 CONCLUDING MATERIAL Custodians: Preparing activity: Army - AV DLA - CC Navy - AS Air Force - 99 (Project 4730-2012-081) DLA - CC Review activities: Army - MI Navy - MC, SA Air Force - 71 NOTE: The activi
35、ties 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-,-,-
