1、AMSC FSC 4730 MS20762B 8 March 2013 SUPERSEDING MS20762A 11 December 1970 DETAIL SPECIFICATION SHEET ELBOW, FLARED TUBE, 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 herei
2、n shall consist of this specification sheet and SAE AS4875. NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for information only. 3. Internal flow passage around bend shall be smooth and free from projections. FIGURE 1. Elbow, flanged 90. Inches mm Inches mm .010 0.25 .062 1.57 .
3、030 0.76 .123 3.12 .016 0.41 .125 3.18 INCH-POUNDH Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS20762B 2 TABLE I. Dimensions. 1/ 2/ 3/ 4/ Dash number Tube Thread T A B C D E F G H Steel OD SAE AS8879 .003 +.047 -.000 +.047 -.000 +.000 -.005 +.00
4、0 -.005 +.000 -.005 Radius reference +.047 -.000 -12 .750 1.0625-12UN-3A .609 1.156 1.938 .938 1.250 .156 .594 .562 -12-16 2.0001.500 -16 1.000 1.1875-12UN-3A .814 1.201 2.125 1.188 .719 -20 1.250 1.3750-12N-3A 1.078 1.500 2.375 1.500 1.644 .875 .625 -20-24 1.562 2.5622.125 .188 .650 -24 1.500 1.875
5、0-12N-3A 1.312 1.688 2.688 1.750 1.000 -32 2.000 2.500-12UN-3A 1.781 2.042 3.375 2.375 2.750 1.312 .750 -40 2.500 3.000-12UN-3A 2.281 2.375 3.500 2.875 3.201 1.582 .812 -48 3.000 3.500-12UN-3A 2.781 2.625 3.675 3.375 3.701 1.812 TABLE I. Dimensions - Continued. 1/ 2/ 3/ 4/ Dash number J K M N V W X
6、Y Weight Max Steel +.047 -.000 Min Max .015 .015 .015 Approx Approx .015 Al Alloy Steel Ti -12 1.344 .125 .144 .922 .669 .891 .500 .562 .724 .12 .34 .20 -12-16 1.406 .15 .42 .25 -16 .141 .176 1.172 .904 1.156 .562 .625 .771 .18 .50 .30 -20 1.500 .156 .221 1.484 1.130 1.438 .625 .750 .818 .32 .90 .53
7、 -20-24 1.650 .36 1.00 .60 -24 .172 .234 1.734 1.372 1.710 .688 .943 .45 1.26 .74 -32 2.062 .203 .322 2.309 1.841 2.250 .750 .938 1.193 1.02 2.88 1.69 -40 1.938 .234 .333 2.659 2.341 2.812 .875 1.000 .969 1.37 3.84 2.26 -48 2.042 .250 .344 3.389 2.841 3.344 1.000 1.047 1.62 5.10 2.68 1/ Dimensions a
8、re in inches. 2/ Metric equivalents are given for information only. 3/ Aluminum alloy 2014 and 2024 parts are cancelled. Use Aluminum alloy 7075 parts for new design. Cancelled parts may be used till stock is exhausted. 4/ Diameters A, D and E shall be concentric with each other within .010 full ind
9、icator movement. Inches mm Inches mm Inches mm Inches mm Inches mm Inches mm Inches mm Inches mm 0.003 0.08 0.203 5.16 0.530 13.46 0.814 20.68 1.156 29.36 1.562 39.67 2.042 51.87 2.750 69.85 0.005 0.14 0.221 5.61 0.562 14.27 0.818 20.78 1.172 29.77 1.582 40.18 2.062 52.37 2.781 70.64 0.015 0.38 0.23
10、4 5.94 0.594 15.09 0.875 22.23 1.188 30.18 1.620 41.15 2.125 53.98 2.812 71.42 0.047 1.19 0.250 6.35 0.600 15.24 0.891 22.63 1.193 30.30 1.644 41.76 2.250 57.15 2.841 72.16 0.120 3.05 0.300 7.76 0.609 15.47 0.900 22.86 1.201 30.51 1.650 41.91 2.260 57.40 2.875 73.03 0.125 3.18 0.320 8.13 0.625 15.88
11、 0.904 22.96 1.250 31.75 1.688 42.88 2.281 57.94 2.880 73.15 0.141 3.58 0.322 8.18 0.650 16.51 0.922 23.42 1.260 32.00 1.690 42.93 2.309 58.65 3.000 76.20 0.144 3.66 0.333 8.46 0.669 16.99 0.938 23.83 1.312 33.32 1.710 43.43 2.341 59.46 3.201 81.31 0.150 3.81 0.340 8.64 0.688 17.48 0.943 23.95 1.344
12、 34.14 1.734 44.04 2.375 60.33 3.344 84.94 0.156 3.96 0.344 8.74 0.719 18.26 0.969 24.61 1.370 34.80 1.750 44.45 2.500 63.50 3.375 85.73 0.172 4.37 0.360 9.14 0.724 18.39 1.000 25.40 1.372 34.85 1.781 45.24 2.562 65.07 3.389 86.08 0.176 4.47 0.362 9.19 0.740 18.80 1.020 25.91 1.406 35.71 1.812 46.02
13、 2.625 66.68 3.500 89.90 0.180 4.57 0.420 10.67 0.750 19.05 1.047 26.59 1.438 36.53 1.841 46.76 2.659 67.54 3.675 93.35 0.188 4.78 0.450 11.43 0.771 19.58 1.078 27.38 1.484 37.69 1.938 49.23 2.680 68.07 3.701 94.01 0.200 5.08 0.500 12.70 0.812 20.62 1.130 28.70 1.500 38.10 2.000 50.80 2.688 68.28 3.
14、840 97.54 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS20762B 3 REQUIREMENTS: Design and construction: Dimensions and configuration: See figure 1 and table I. Dimensioning and tolerancing are in accordance with ASME Y14.5. For nominal use on fue
15、l and oil systems. Materials. Materials and designators shall be in accordance with SAE AS4875. Material and size designators shall be in accordance with table II. TABLE II. Material and size designators. 1/ Size number Size number with letter material designator Steel (Blank) AluminumAlloy 2/ Alumi
16、numalloy CRES 3/ Titanium 4/ 12 -12 -D12 -W12 -R12 -T12 12-16 -12-16 -D12-16 -W12-16 -R12-16 -T12-16 16 -16 -D16 -W16 -R16 -T16 20 -20 -D20 -W20 -R20 -T20 20-24 -20-24 -D20-24 -W20-24 -R20-24 -T20-24 24 -24 -D24 -W24 -R24 -T24 32 -32 -D32 -W32 -R32 -T32 40 -40 -D40 -W40 -R40 -T40 48 -48 -D48 -W48 -R
17、48 -T48 1/ Material designators blank/none, “D”,”W”, “J”, “R”, and “T” are in accordance with SAE AS4875. 2/ Inactive material code: PINs with material code letter D are inactive for new design use W. 3/ Corrosion resistant steel (CRES). 4/ Titanium shall not be used in oxygen systems. Finishes. Fin
18、ishes for the elbow shall be in accordance with SAE AS4875. Finish designators shall be as specified in table III. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS20762B 4 TABLE III. Elbow finish code. 1/ PIN code dash letter Material Plating finis
19、h Blank Steel Cadmium plating in accordance with SAE-AMS-C-81562, type II, class 3 or SAE-AMS-QQ-P-416, type II, class 2. Aluminum 2/ Anodize in accordance with MIL-A-8625, type II. CRES No additional finish. Passivation in accordance with SAE-AMS2700, type 6 or 7. Titanium 3/ Fluoride phosphated in
20、 accordance with SAE-AMS2486. A Steel Aluminum-nickel in accordance with ASTM F1136/F1136M, grade 3, NC. D Aluminum 2/ Anodize above with NAVAIR trivalent chromium pretreatment (TCP) in accordance with MIL-DTL-81706, type II, class 1A. DA Aluminum 2/ Chemical conversion coating in accordance with, M
21、IL-DTL-5541, type II, class 3. CN Steel Cadmium plating in accordance with SAE-AMS-C-81562, type II, class 3 or SAE-AMS-QQ-P-416, type II, class 2 with NAVAIR TCP in accordance with MIL-DTL-81706, type II, class 1A. G Steel Zinc plating with colorless passivate in accordance with ASTM B633, type V,
22、Fe/Zn 25. H Steel Zinc phosphate finish in accordance MIL-DTL-16232 type Z, class 1. 5/ J Steel Zinc plating in accordance with ASTM B633; type II or III, Fe/Zn 5, or ASTM B695, type II, class 5. N Steel NAVAIR TCP in accordance with MIL-DTL-81706, type II, class 1A. R Steel Zinc plating in accordan
23、ce with ASTM B633; type VI, Fe/Zn 5. T Titanium 3/ 4/ Anodized in accordance with SAE-AMS2488, type 2. V Steel Zinc-nickel in accordance with SAE-AMS2417, type 1. 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 al
24、loy 7075-T73 or T7352 in accordance with SAE AS4875 Chemical conversion coating in accordance with, MIL-DTL-5541, type II, class 3. Z Steel Zinc may be any zinc platings from PIN codes H, J, R, V. 6/ ZN Steel Zinc may be any zinc platings from PIN codes H, J, R, V with NAVAIR TCP in accordance with
25、MIL-DTL-81706, type II, class 1A. 6/ 1/ All finished materials shall withstand 96 hours salt spray test minimum. 2/ Aluminum alloys 2014 and 2024 shall be dyed light blue. Unless otherwise specified aluminum alloy 7075 shall be dyed brown. 3/ Titanium shall not be used in oxygen systems. 4/ Color eq
26、uivalent to numbers in accordance with FED-STD-595/36076, FED-STD-595/36081, FED-STD-595/36099, FED-STD-595/36118, FED-STD-595/36134, FED-STD-595/36152, FED-STD-595/36170, FED-STD-595/36173, and FED-STD-595/36176. 5/ Hexavalent chromium free. 6/ Not for use in Aircraft. Provided by IHSNot for Resale
27、No reproduction or networking permitted without license from IHS-,-,-MS20762B 5 Surfaces. All machined surfaces shall be finished to 250 in Ra (.00635mm), unless otherwise specified. Fitting surface shall be free of all burrs and slivers. Part or Identifying Number (PIN): The PIN consists of prefix
28、“MS” the specification sheet number, and a dash, a letter for material/finish and size code. Unassigned PINs shall not be used. Example of PIN: MS20762W32 Basic part identifier Material/finish (See table III) Size (See table II) Marking. The complete PIN shall be permanently marked on an unfinished
29、surface. Guidance on use of alternative parts with less hazardous or nonhazardous materials. This specification provides for a number of alternative plating materials via the PIN. Users should select the PIN with the least hazardous material that meets the form, fit and function requirements of thei
30、r application. Supersession data: Aluminum alloys 2014 and 2024 “D“ designator is inactive for new design. For new design use aluminum alloy 7075 “W“ designator. Changes from previous issue. Marginal notations are not used in the revision to identify changes with respect to the previous issue due to
31、 the extensiveness of the changes. Referenced documents. In addition to SAE AS4875, this document references the following: ASTM B633 MIL-DTL-81706 FED-STD-595/36170 SAE-AS4395 ASTM B695 FED-STD-595/36076 FED-STD-595/36173 SAE AS8879 ASTM F1136/F1136M FED-STD-595/36081 FED-STD-595/36176 SAE-AMS-QQ-P
32、-416 ASME Y14.5 FED-STD-595/36099 SAE-AMS2417 SAE-AMS-C-81562 MIL-DTL-5541 FED-STD-595/36118 SAE-AMS2486 MIL-A-8625 FED-STD-595/36134 SAE-AMS2488 MIL-DTL-16232 FED-STD-595/36152 SAE-AMS2700 CONCLUDING MATERIAL Custodians: Preparing activity: Army - AV DLA - CC Navy AS Air Force 99 DLA - CC (Project
33、4730-2012-088) Review activities: Army AR Navy MC, SA Air Force - 71 NOTE: The activities listed above were interested in this document as of the date of this document. Since organization and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https:/assist.dla.mil. MS20762 W 32Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
