1、MIL-C-23233A m 999990b Lb3b1180 925 (INCH-POUNDI MIL-C-23233A(SH) 25 November 1992 SUPERSEDING 29 May 1962 (See 6.11) MIL-C-23233(SHIPS) MILITARY SPECIFICATION COUPLINGS FOR PROPULSION UNITS, AUXILIARY TURBINES AND LINE SHAFTS, NAVAL SHIPBOARD This specification is approved for use by the Naval Sea
2、Systems Command, Department of the Navy, and is available for use by all departments and agencies of the Department of Defense. 1. SCOPE 1.1 ScoDe. This specification covers flexible couplings for propulsion units, auxiliary equipment, and line shafts. 1.2 Classification. Couplings are of the follow
3、ing types and classes as specified (see 6.2): i Type I Dental coupling lubricated by oil circulation. Class 1 275 minimum Brinell tooth hardness. Class 2 350 minimum Brinell tooth hardness. Class 3 Nitrided, 49 minimum Rockwell C tooth hardness. Class 4 Carburized or induction hardened, 56 minimum R
4、ockwell C Class 5 Nitrided, 59 minimum Rockwell C tooth hardness. tooth hardness. Type II Dental coupling, self-contained (grease) lubricant. Class 1 Commercial, 160 minimum Brinell tooth hardness. Class 2 275 minimum Brinell tooth hardness. Beneficial comments (recommendations, additions, deletions
5、) and any pertinent data which may be of use in improving this document: should be addressed to: Commander, Naval Sea Systems Command, SEA 05442, 2531 National Center, Bldg. 3, Washington, DC 20362-5101 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearin
6、g at the end of this document or by letter. AMSC N/A FSC 2010 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-23233A(SH) Type III Laminated-disc coupling. Type IV
7、 Nonmagnetic, noise-attenuation coupling. Type V Line-shaft noise-attenuation coupling assembly. Type VI Diaphragm coupling. Type VI1 Elastomer flexible coupling. Type VI11 Connect or disconnect dental coupling. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 SDecifications. standards, and h
8、andbooks. The following specifica- tions, standards, and handbooks form a part of this document to the extent speci- fied herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and su
9、pplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS FEDERAL QQ-S-365 - Silver Plating, Electrodeposited: General Require- QQ-S-766 - Steel, Stainless and Heat Resisting, Alloys, Plate, ments for. Sheet and Strip. MILITARY MIL-S-901 - Shock Tests, H.I. (High-Impact) Shipboard Machin
10、ery, MIL-A-907 - Antiseize Thread Compound, High Temperature. MIL-S-1222 - Studs, Bolts, Hex Cap Screws, Socket Head Cap Screws MIL-S-5000 - Steel, Chrome-Nickel-Molybdenum (E4340) Bars and MIL-A-8625 - Anodic Coatings, for Aluminum and Aluminum Alloys. MIL-1-8846 - Inserts, Screw-Thread, Helical Co
11、il. MIL-L-9000 - Lubricating Oil, Shipboard Internal Combustion MIL-T-17286 - Turbines and Gears, Shipboard Propulsion and MIL-L-17331 - Lubricating Oil, Steam Turbine and Gear, Moderate MIL-T-17523 - Turbine, Steam, Auxiliary (and Reduction Gear) MIL-G-17859 - Gear Assembly, Propulsion (Naval Shipb
12、oard Use). MIL-F-18240 - Fastener Element, Self-Locking, Threaded Fastener, MIL-S-22698 - Steel Plate, Shapes and Bars, Weldable Ordinary MIL-S-24093 - Steel Forgings, Carbon and Alloy Heat Treated. DOD-G-24508 - Grease, High Performance, Multi-Purpose. (Metric) DOD-F-24669 - Forgings and Forging St
13、ock, Steel Bars, Billets and Equipment, and Systems, Requirements for. and Nuts. Reforging Stock. Engine, High Output Diesel. Auxiliary Steam; Packaging of. Service. Mechanical Drive. 250F Maximum. Strength and Higher Strength: Structural. Blooms, General Specification for. (Metric) 2 Provided by IH
14、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DOD-F-24669/1 - Forgings and Forging Stock, Steel (Carbon and DOD-F-24669/3 - Forgings and Forging Stock, Steel Bars and Billets MIL-N-25027 - Nut, Self-Locking, 250“F, 450“F, and 800F. MIL-C-26074 - Coatings, Electr
15、oless Nickel Requirements for. MIL-C-83488 - Coating, Aluminum, High Purity. Alloy) Blooms, Bars, Billets and Slabs. (Metric) for Nitriding. (Metric) STANDARDS MILITARY MIL-STD-129 - Marking for Shipment and Storage. MIL-STD-130 - Identification Marking of U.S. Military Property. MIL-STD-167-1 - Mec
16、hanical Vibrations of Shipboard Equipment (Type I - Environmental and Type II - Internally Excited). MIL-STD-271 - Requirements for Nondestructive Testing Methods. MIL-STD-278 - Welding and Casting Standard. HANDBOOK MILITARY MIL-HDBK-149 - Rubber. (Unless otherwise indicated, copies of federal and
17、military specifications, standards, and handbooks are available from the Standardization Documents Order Desk, BLDG. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.1.2 Other Government documents. drawines. and Dublications. The following other Government documents, drawings, and publication
18、s form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. PUBLICATION NAVAL SEA SYSTEMS COMMAND (NAVSEA) 0901-LP-420-0007 - Propulsion Reduction Gears, Coup Chapter 241 Associated Components. lings, ant d (Application f
19、or copies should be addressed to the Standardization Documents Order Desk, BLDG. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.2 Bon-Government Dublications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the d
20、ocuments which are DOD adopted shall be those listed in the issue of the DODISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS are the issues of the documents cited in the solicitation (see 6.2). 3 Provided by IHSNot for ResaleNo reproduction
21、or networking permitted without license from IHS-,-,-NIL-C-23233A m 9999906 1636483 634 W AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) B46.1 - Surface Texture (Surface Roughness, Waviness, and Lay. (Application for copies should be addressed to the American National Standards Institute, Inc., 11 Wes
22、t 42nd Street, 13th floor, New York, NY 10036.) AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) A 516 - Standard Specification for Pressure Vessel Plates, Carbon A 537 - Standard Specification for Pressure Vessel Plates, Heat- B 26 - Standard Specification for Aluminum-Alloy Sand Castings. B 124 -
23、 Standard Specification for Copper and Copper-Alloy Forging B 150 - Standard Specification for Aluminum Bronze Rod, Bar, and B 283 - Standard Specification for Copper and Copper-Alloy Die Steel, for Moderate- and Lower-Temperature Service. Treated, Carbon-Manganese-Silicon Steel. (DoD adopted) Rod,
24、Bar, and Shapes. (DoD adopted) Shapes. (DoD adopted) Forgings (Hot-Pressed). (DoD adopted) (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) SOCIETY OF AUTOMOTIVE ENGINEERS (SAE) AMs 2680 - Electron-Beam Welding
25、for Fatigue Critical Applications. AMs 2681 - Electron-Beam Welding. (DoD adopted) (DoD adopted) (Application for copies should be addressed to the Society of Automotive Engineers, Inc., 400 Commonwealth Drive, Warrendale, PA 15096.) (Non-Government standards and other publications are normally avai
26、lable from the organizations that prepare or distribute the documents. These documents also may be available in or through libraries or other informational services.) 2.3 Order of Precedence. In the event of a conflict between the text of this document and the references cited herein, the text of th
27、is document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection (see 6.5) in accordance with
28、 4.3. 3.2 Materials. Unless otherwise specified (see 6.2), materials shall be as listed in tables I and II. O, * . O O 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-B D :ouplint type/ class I/1 v2 v3 v4 I/5 II/1 II/2 III MIL-C-23233A m 999990b 16
29、36484 570 m MIL-C-23233A(SH) TABLE I. Materials of DrinciDal Darts. Applicable documents Sleeves and hubs MIL-S-24093, class C, type I or II MIL-S-24093, class A, type I or II DOD-F-24669/1, grade 4340 DOD-F-24669 and class 4615 DOD-F-24669/3, class C, condition 2, type III Commercial DOD-F-24669/1,
30、 Same as type I, classes 1-5 u Discs QQ-S-766 Flanges and center member pieces MIL-S-24093, class C or grades 4140 or 4340 Spacing washers %IL-S-24093, class D, type I or II See footnotes at end of table. Material Forged s teel Forged steel Forged steel Forged s teel qitralloy B Forged steel :orrosi
31、on resisting ;teel iorged steel porged ;teel 5 Hardness 275 Bhn 2J 350 Bhn 49 Rc u 56 Rc 59 Rc 160 Bhn Case hardenint method Nitride induct ior harden Zarburizc Yitride Minimum case depth u,4J 0.025 inch W 3.020 inch Provided by IHSNot for ResaleNo reproduction or networking permitted without licens
32、e from IHS-,-,- loupling class type/ IV v VI - 1 i 1 1 A t I 1 1 ! 1 1 1 I 1 MIL-C-23233A 999990b Lb3b485 407 MIL-C-23233A(SH) TABLE I. Materials of principal Darts - Continued. Applicable documents rooth inserts DOD-F-24669/3, class C, condition 2, type III Hubs, sleeves, shafts bSTM B 124, B 150,
33、or B 283 (UNS C63000) Elastomer MIL-HDBK-149 Shaft MIL-S-24093, class C, type I Flanges ASTM A 537, class II Dental couplings Sleeves and hubs DOD-F-24669/3, class C, condition 2, type III Retainer rings MIL-S-24093, class B, type I Diaphragm couplings Hubs, MIL-S-24093 type I, class B Diaphragms El
34、astomer couplings Plates ASTM A 516, grade 70 Elastomer MIL-HDBK-149 Bushings and driver pins MIL-S-5000 Hubs MIL-S-24093 Diaphragms Type I, class B See footnotes at end of table. Material Nitralloy N Aluminum bronze or manganese bronze z/ Forged steel Steel plate Nitralloy li Forged steel Forged st
35、eel u Steel plate I/ Steel bar Forged s tee1 u 6 Iardness 1/ i9 Rc i9 Rc L/ Case lardening method litride ritride Zarburize Minimum case epth S,&/ 1.020 inch 1.020 inch I/ Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Zoup 1 ing type/ class VI I VI
36、11 TABLE I. Materials of principal Darts - Continued. Applicable documents Flanges, hubs, and sleeves MIL-S-24093 Pins and bushings DOD-F-24669/1 Cages MIL-S-22698, MIL-S-24093 Elastomer for bushings or blocks MIL-HDBK-149 Same as type I Material Forged steel Steel bar Forged steel or steel plate L/
37、 lardness u Case hardening method Carburize L Minimum case depth 3J ,4J IJ Hardness is minimum and for dental couplings hardness is applicable to tooth surface. 2J Bhn is standard Brinell hardness number, Rc is hardness designated in Rockwell C scale. u For carburized or induction hardened parts, ca
38、se depth is defined as the depth below the surface at which the hardness has dropped to Rc 50 or to five points below the surface hardness, whichever is the lower hardness. For nitrided parts, case depth is defined as the depth below the surface at which the hardness has dropped to 110 percent of th
39、e core hardness. Depth of case specified is after finish machining. 4/ Case depth and case hardness shall be determined from lugs on forgings or from coupon samples (for case hardened coupling teeth, see 4.6.1.5). For carburized or induction hardened teeth, the minimum case depth shall be 10 percent
40、 of pitch line, chordal tooth thickness, or 0.025 inch, whichever is greater, u See 3.6.1.2. z/ See 6.9. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-23233A m 9999906 Lb36487 28T MIL-C-23233A(SH) TABLE II. Materials other than principal part
41、s. Part Threaded fasteners u Bolts, studs, and nuts Cap screws, socket head Cap screws Locknut Self-locking element Threaded inserts Gaskets 3J Housing or guard &/ Weight-critical housing or guard 5J Applicable document MIL-S-1222 2J MIL-N-25027 u MIL-F-18240 2J MIL-1-8846 MIL-T-17523 MIL-G-17859 MI
42、L-T-17523 MIL-G-17859 MIL-S-15083 class B or CU MIL-S-22698 ASTM B 26 alloy 355.0 or 356.0 Material Carbon and alloy steel, corrosion resisting material Cast steel Steel plate Aluminum alloy I/ Except for type IV couplings. Fasteners for type IV couplings shall be .2J See 3.4.6.7. 3J In accordance w
43、ith specification requirement of parent equipment. &/ Except for type IV couplings. Material for type IV coupling housing or guard shall be nonmagnetic in accordance with requirements of specification for parent equipment. nonmagnetic . 5J See 3.4.9 through 3.4.9.2. 3.2.1 Substitute materials. Mater
44、ials other than those specified are substitute materials (see 6.8 and 6.8.1). 3.2.2 Use of cast iron. Unless otherwise specified (see 6.2), cast iron parts shall not be used. 3.2.3 Prohibited materials. Cadmium, asbestos, and any material containing asbestos which could become airborne shall not be
45、used. 3.2.3.1 Mercurv and mercurv ComDounds. Couplings and parts shall not contain mercury or mercury compounds and shall be free of mercury contamination. 3.2.4 Surfaces. Metal surfaces shall be free of defects (see 4.6.1 through 4.6.1.2). 3.2.5 Surface hardened Darts. Minimum case depth shall be i
46、n accordance with table I, where applicable. Paint, plastic, and zinc coatings shall not be applied to any surface exposed to oil. i 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-23233A m 9999906 16361188 116 m 3.2.6 Castings. Castings shal
47、l pass the inspection specified in 4.5.4. 3.2.7 Recovered materials. Unless otherwise specified herein, all equip- meat, material, and articles incorporated in the products covered by this specifi- caeion shall be new and may be fabricated using materials produced from recovered maeerials to the max
48、imum extent practicable without jeopardizing the intended use. The term “recovered materials“ means materials which have been collected or reclovered from solid waste and reprocessed to become a source of raw materials, as oppiosed to virgin raw materials. None of the above shall be interpreted to m
49、ean thqt the use of used or rebuilt products is allowed under this specification unLess otherwise specifically specified. 3.3 ODerating characteristics. Couplings shall be matched with driver and driven equipment to provide stable operation under steady state, maneuvering, reverse, windmilling, locked shaft, singling up, trail shaft, and disconnect operation (as applicable) conditions as well as load changes i
