1、I INCH-POUND I MIL-C-52464C(ME) SUPERSEDING MIL-C-52464B(ME) 26 July 1982 6 Anril 1992 MILITARY SPECIFICATION CYLINDER ASSEMBLIES, ACTUATING, LINEAR: HYDRAULIC, FOR BRIDGE AND BRIDGE LAUNCHER Thie specification is approved for use within the USA Belvoir Research, Development and Engineering Center,
2、Department of the Army, and is available for we by all Departments and Agencies of the Department of Defense. 1. SCOPE AND CLASSIFICATION 1.1 ScoRe. This specification covers hydraulic cylinder aesembliee for the M48A2, M48A5, and M60A1 bridge launcher-traneportere and the hydraulic cylinder aseembl
3、y for the armored vehicle launched bridge. 1.2 Claseificatioq. The cylinder aeeemblies shall be of the following typee and styles, ae specified (Bee 6.2): Type I Type II Type III Type IV Style A style B Style A Style B TypeV - Holddown, M48A2/M48A5/M60Al - Swing, M48A2 - Sciesoring, Bridge Only. - T
4、ongue - M48A2 - M48A5/M60Al - Overhead - M40A2 - M48A5/M60Al L 1 Beneficial comente (recomendationa, additione, deletions) and any pertinent data which may be of use in improving this document should be addressed to: USA Belvoir Reeearch, Development, and Engineering Center, ATTN: STRBE-TSE, Fort Be
5、lvoir, VA 22060-5606 by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC NIA FSC 5420 DISTRIBUTION STATEMENT A. Approved for public releaee, dietribution is , unlimited. Provided by IHSNot for ResaleNo reproduction or net
6、working permitted without license from IHS-,-,-_I - _ . - MfL-C-524b4C 5Y 1pI 4413tlCrb 0523728 7 Type VI - Ejection, M48A5/M60A1 Type VI1 - Locking, M48A2/M48A5/M60Al Type VI11 - Release M48A2 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 SDecifications and standards. The following specif
7、ications and etandarde form a part of this document to the extent specified herein. otherwise specified, the issues of theme documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2)
8、. Unless SPECIFICATIONS FEDERAL NN-P-7 1 -.Pallets, Material Handling, Wood, Stringer PPP-B-621 - Box, Wood, Nailed and Lock Corner. *Construction 2 Way and 4 Way Partial. MILITARY MIL-P-116 - Preservation, Methods of. MIL-T-704 - Treatment of Painting of Material. MIL-H-46170 - Hydraulic Fluid, Rus
9、t Inhibited MIL-C-52950 - Crates, Wood, Open and Covered. Fire-Resistant, Synthetic Hydrocarbon Base. STANDARDS FEDERAL FED-STD-101 - Preservation, Packaging, and Packing Materials: Test Procedures. MIL I TARY MIL-STD-105 - Sampling Procedures and Tables for Inspection MIL-STD-129 MIL-STD-130 - Iden
10、tification Marking of US Military MIL-STD-1186 - Cushioning, Anchoring, Bracing, Blocking, by Attributes. - Marking for Shipment and Storage. Property. Waterproofing; with Appropriate Test Methods. (Unlees otherwise indicated, copies of federal and military specifications, standards, and handbooks a
11、re available from the Standardization Documente Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- RIL-C-52464C 54 9999906 0523729 9 ._ O 2.1.2 pther Government documents. dra
12、winae, and Dublicatione. The following other Government documente, drawings, and publicatione form a part of thie document to the extent specified herein. the ieeuee are thoee in effect on the date of the eolicitation. Unleee otherwise epecified, DRAWINGS - ME TA13211E3020 - Cylindet, Hold-Down. TA1
13、3211E3130 - Cylinder, Locking. TA13211E3140 - Cylinder, Ejection. TA13211E7880 - Cylinder, Scieeoring, Bridge. TA13214E0000 - Cylinder, Swing, M48A2. TA13214E0010 - Cylinder, Overhead, M48A2. TA13214E0030 - Cylinder, Release, M48A2. TA13214E0070 - Cylinder, Overhead. TA13214E0080 - Cylinder, Tongue.
14、 TA13214E0090 - Cylinder, Tongue, M48A2. (Copies of drawings required by contractore in connection with specific acquisition functions should be obtained from the USA Belvoir Reeearch, Development, and Engineering Center, ATTN: STRBE-JBS, Fort Belvoir, VA 22060-5606.) 2.2 Non-Government Dublicationa
15、. The following document(s) form a part of this document to the extent specified herein. Unlees otherwise eg-r-ified, the issues of the documente which are DOD adopted are those lieted in f ? ieeue of the DODISS cited in the eolicitation. Unlees otherwise epecified, the iseuee of documents not liste
16、d in the DODISS are the ieeuee of the documente cited in the eolicitation (see 6.2). AMERICAN SOCIETY FOR TESTING AND MATERIAL (ASTM) D 3951 - Practice for Commercial Packaging D 3953 - Strapping, Flat Steel and Seale. D 4675 - Selection and Uee of Flat Strapping Material. (Application for copies eh
17、ould be addreseed to the American Society for Testing and Materiale, 1916 Race Street, Philadelphia, PA 19103). AMERICAN WELDING SOCIETY, INC. (AWS) D 1.1 - Structural Welding Code, Section 5, Qualification. (Application for copiem ehould beaddressed to the American Welding Society, 550 N.W. LeJeune
18、 Road, P.O. Box 351040, Miami, FL 33135.) 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- .* MIL-C-524b4C 54 999990b O523730 5 MIL-C-52464C(ME) AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) Boiler and Pressure Vessel Code, Welding Qualifications
19、, Section Ix. (Application for copies should be addressed to the American Society of Mechanical Engineers, 345 East 47th Street, New York, NY 10017.) NATIONAL MOTOR FREIGHT TRAFFIC ASSOCIATION (NMFTA) National Motor Freight Classification Rules. (Application for copies should be addressed to the Nat
20、ional Motor Freight Traffic Association, ATTN: Traffic Order Section, 2200 Mill Road, Alexandria, VA 22314.) UNIFORM CLASSIFICATION COMMITTEE (UCC) Uniform Freight Classification Rules. (Application for copies should be addressed to the Uniform Classification Comtr;itT;ee, ATTN: Tariff Publishing Of
21、ficer, Room 1106, 222 South Riverside Plaza, Chicago, IL 60606.) (Non-Government standards and other publications are normally available from the organizations that prepare or distribute the documents. also may be available in or through libraries or other informational services.) These documents 2.
22、3 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, (except for related associated detail specifications, specification sheets or MS standards), the text of this document takes precedence. Nothing in this document, however, supersedes
23、applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 pescrintion. The cylinder assemblies or separately procured cylinder components shall be in accordance with the applicable top assembly or drawings and as specified herein. 3.1.1 prawinas. The drawings
24、 forming a part of this specification are end product drawings. No deviation from the prescribed dimensions or tolerances is permissible without prior approval of the contracting officer. tolerances could cumulatively result in incorrect fits, the contractor shall provide tolerances within those pre
25、scribed on the drawings to insure correct fit, assembly, and operation of the cylinders or eeparately procured cylinder components. Any data (e.g., shop drawings, layouts, flow sheets, processing procedures, etc.) prepared by the contractor or obtained from a vendor to support fabrication and manufa
26、cture of the production item shall be made Where 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-available, upon request, for inspection by the contracting officer or his designated representative. 3.2 Fir et article. Unless otherwifae epecified (s
27、ee 6.2), a sample shall be subjected to first article inspection (Bee 6.3) in accordance with 4.3. 3.3 HaterialS. applicable drawings. contractor and shall be eubject to all provisions of thie specification. Chemical composition and mechanical properties of heat-treated materiale shall be verified b
28、y chemical analysis and mechanical tests. Materials shall be as specified herein and on the Materials not specified shall be selected by the 3.3.1 Recovered materials. For the purpose of this requirement, recovered materials are those materials which have been collected from solid waste and reproces
29、sed to become a source of raw materiale, as dietinguished from virgin raw materials. The components, pieces and parts incorporated in the cylinder assembly may be newly fabricated from recovered materials to the maximum extent practicable, provided the cylinder assembly produced meets all other requ
30、irements of this specification. Used, rebuilt or remanufactured components, pieces and parts ehaal not be incorporated in the cylinder assembly. 3.4 Cvlinders. Each cylinder assembly shall operate at a 3,890 psi sustained working pressure without malfunctioning or leakage. Each cylinder assembly sha
31、ll withstand the applicable proof preesure specified in table I, without external leakage or visible damage. The rate of internal leakage past the piston of each cylinder assembly at 3,800 psi pressure shall be not more than that specified in table I. hydraulic oil conforming to MIL-H-46170, type 1.
32、 All hydraulic cylinder assemblies having the same classification (see 1.2), shall be identical. All cylinder assemblies shall be filled with 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Cy1 inder Type I Type II Type III Type IV, Style A Type IV
33、, Style B Type VI Style A Type Vr Style B Type VI, Type VI1 Type VI11 flIL-C-524b4C 54 m 999940b 0523732 9 m TABLE I. .Hydraulic Cvlinder Reauirements. TOP Assembl y TA13211E3020 TA13214E0000 TA13211E7880 TA13214E0090 TA13214E0080 TA132 14E0010 TA13214E0070 TA13214E3140 TA13211E3130 TA13214E0030 App
34、lication Bridge M60A1 M48A5 ri48A2 X X X X X - - X X X X X - Rate of Internal Leakage f 1-oe/min 4 10 10 12 13 10 13 4 4 N/A Proof Pressure psi 7 8 O00 7,000 7 O00 7 , O00 7 O00 7 , O00 7,000 7 , O00 7 , O00 5 O00 3.5 Identification markinq. The cylinders shall be identified in accordance with MIL-S
35、TD-130 and the markings indicated on the drawings. 3.6 Stencilinq. The nomenclature, National Stock Number, weight, and cubage shall be stenciled on each cylinder assembly. shall precede the numerals in the weight and the letters “CU“ shall precede the cubic displacement. numerals 3/4 inch high. The
36、.letters “NET WT“ Markings shall be Gothic-type capitals and Arabic Stenciling shall conform to MIL-T-704. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-tIIL-C-52464C 54 m 7999906 0523733 O m . 3.7 Government-loaned DroDertv. Unleee otherwiee epe
37、cified (see 6.2), the following property in the quantities indicated will be loaned by the Government (see 6.5): Item No. Quantity DeBCriDtiOn Jdentification 1 1 set Inspection Equipment Quality Aeeurance for Cylinders. Pamphlet, P715-124. This pamphlet ie included in the Top Aeeembly. 3.8 Jnterchan
38、aeabilitv. All parte having the same part number ehall be Interchangeable parte are functionally and dimeneionally interchangeable. defined ae two or more like parts possessing such functional and phyeical characteristics as to be equivalent in performance and durability, and capable of being exchan
39、ged one for the other without alteration of the parta themselves or of adjoining parte, except for adjuetment, and without selection for fit or performance. 3.9 Tme I holddown cylinder for M48A2/M48AS/M60Al launchere. The type I cylinder assembly ehall be in accordance with top aeeembly, TA13211E302
40、0, and ae specified herein. 3.10 Tme II, ewina cylinder for M48A2 launcher. The type II cylinder assembly shall be in accordance with top aseembly, TA13214E0000, and ae specified herein. 3.11 Tme III. ecieeorina cylinder for the bridae. The type III cylinder assembly ehall be in accordance with top
41、aseembly, TA13211E7880, and ae specified herein. 3.12 Tme IV. tonaue cylinder. 3.12,l Style A, for M48A2 launcher. The style A cylinder assembly ehall be in accordance with top assembly, TA13214E0090, and as epecified herein. 3.12.2 Style B. for M48AS/M60Al launcher. The style B cylinder aeeembly sh
42、all be in accordance with top aeeembly, TA13214E0080, and as specified herein 3.13 Tme V. overhead cylinder, 3.13.1 Style A, for M48A2 launcher. The etyle A cylinder assembly ehall be in accordance with top assembly, TA13214E0010, and as specified herein. 3.13.2 Style B for M48ASIM60A1 launchere. Th
43、e etyle B cylinder aeeembly ehall be in accordance with top aeeembly, TA13214E0070, and as epecified herein. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.14 Tvoe VI, ejection cvlinder for M48A5/M60Al. Type VI cylinder assembly shall be in acco
44、rdance with top assembly, TA13211E3140, and as specified herein 3.15 Twe VII. lockina cvlinder for M48A2/M48A5/M60Al launchers. The type VI1 cylinder assembly shall be in accordance with top assembly, TA13211E3130, and as specified herein. 3.16 Twe VIII. release cvlinder for M48A2 launcher. The type
45、 VI11 cylinder assembly shall be in accordance with top assembly, TA13214E0030, and as specified herein. 3.17 WorkmanshiD. 3.17.1 Weldina and welders. 3.17.1.1 Weldinq. The surfaces of parta to be welded shall be free from scale, paint, grease, and other foreign matter. Welds shall transmit stress w
46、ithout permanent deformation or failure when the parts connected by the welds are subjected to proof and service loadings. shielded electric-arc method. result, preheating or annealing or both shall be employed. shall be free from cracks and other imperfections that may reduce the effectiveness of t
47、he part. practicable. Welding shall be done by the Where embrittlement of the joined metal may All welded parts Work shall be positioned for flat welding whenever 3.17.1.2 Welders or weldina oDerator. Before assigning any welder or welding operator to manual welding work covered by this specificatio
48、n, the contractor shall obtain certification that the welder or welding operator has passed qualification tests as prescribed by either AWS D 1.1 or the ASME code for the materials joined and the type of welding operation to be performed and that such qualification is effective as defined. horizonta
49、l welds need not qualify welders for “all position welding“. The contractor is responsible for determining that automatic welding equipnent operators are capable of producing quality welds in accordance with AWS and ASME codes. In the event of evidence of poor welds, the Government reserves the right to require retesting of any welder or welding operator (eee 6.8). Contractors who only make . 4. QUALITY ASSURANCE PROVISIONS
