1、FINCH-POUND I MS21953B MS21953A 22 May 1975 DETAIL SPEC I FI CATI ON SHE ET BODY, CLUSTER FITTING, ONE-WAY, FLARE This specification is approved for use by all Departments and Agencies of the Department of Defense. CONTOUR AND MOUNTING END IN ACCORDANCE WITH FIGURES 2 AND 3 AND TABLE II FOR FLOW SIZ
2、E SPECIFIED E I t 1 AMSC N/A -D- CHAMFER R .O31 T THREAD L FITTING END IN ACCORDANCE WITH SAE AS4395 STYLE G FOR TUBE SIZE SPECIFIED FIGURE 1. Bodv. cluster fitting. 1 of6 FSC 4730 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo repro
3、duction or networking permitted without license from IHS-,-,-MS21953B TABLE IA. Dimensions for low flow sizes. - 1/ 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. TABLE IB. Dimensions for hiqh flow
4、sizes. SAE AS8879 1/ Aluminum alloy 201 4 and 2024 parts are cancelled. Use Aluminum alloy 7075 parts for new design. Cancelled parts may be used till stock is exhausted. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS21953B CORNER ON R A MAY BE
5、 BROKEN .O31 MAX t .O41 - .O21 - FOR FORGINGS, THE POSITION OF THE PARTING LINE IS OPTIONAL AND NEED NOT BE AS INDICATED 4 x 7“ MAX K FIGURE 2. Mountinq end. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS21953B RB .406 .219 CONTOUR DIMENSIONS E
6、XTERNAL FIGURE 3. External contour. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS21953B Type Fitting Low Flow High Flow A B C D F G H J K L M f .O31 Max Max Max f ,0005 f .O04 f .O05 f .O10 f .O10 f .O04 f .O05 - 11 - 2/ - 2/ ,562 ,636 ,844 ,9
7、95 ,5000 ,664 1 .O00 ,797 ,312 ,249 ,143 ,812 ,909 1.156 1.188 ,8125 1.045 1.188 1.078 ,375 ,283 ,175 REQUIREMENTS: 1. The requirements for acquiring the product described herein shall consist of this specification sheet and SAE AS4875/1. 2. Material: Aluminum alloy 7075-T73 per AMs-QQ-A-225/9. Alum
8、inum alloy forging 7075-T73 per AMs-QQ-A-367. 3. Finish: See acquisition standard SAE AS4875/1. Aluminum alloy 7075 fittings shall be dyed brown. 4. All machined surfaces shall be finished to 250 pin Ra, unless otherwise specified. Surface finish shall be in accordance with ASME B46.1. 5. Fittings s
9、hall be free of all burrs and slivers. NOTES: 1. Dimensions in inches. Unless otherwise specified, tolerances: decimals I .O1 O, angles I 1/2“. 2. Dimensions and tolerancing per ASME Y14.5. 3. Part Identification number (PIN) Example of PIN: MS21953W4L MS2 1 953 W 4L Basic part identifier I I - Mate
10、rial code “W replaces I the dash (-) for al alloy 7075. Size 4 low flow fitting 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS21953B Custodians: Air Force - 99 Navy - AS DLA - CC Preparing activity: DLA - CC (Project 4730-0843) Review activities: Air Force - 82 Navy - SA 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
