1、4 e t P 7 Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Sea Systems Command, SEA 03R42, Department of the Navy, Washington, DC 20362-5101 by using the self-addressed Standardi
2、zation Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. (INCH-POUND .# MIL-G-21296B(SH) :. 21 March 1994 SUPERSEDImG: MIL-G-21296A 24 February 1976 (See 6.14) MILITARY SPECIFICATION GENERATOR SET, DIESEL ENGINE DIRECT AND ALTERNATING CURRENT (NAVAL SHI
3、PBOARD USE) This specification is approved for use by the Naval Sea 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 Scope. This specification covers constant speed, continuous duty direct current (dc) and al
4、ternating current (ac) diesel engine generator sets. 1.2 Classification. Generator sets are of the following types, as specified (see 6.2): Type I - DC, single engine driven for surface ships. Type II - AC, single engine driven for surface ships. Type III - AC, twin engine driven for surface ships.
5、Type IV - AC, single engine driven for submarines. 1.3 Service. Generator sets are furnished to provide one of the following service categories, as specified (see 6.2): Ship service - Prime electric power required to power all essential loads and non-essential loads. Emergency service - Secondary el
6、ectric power required for all essential loads in the event of loss of ship service electric power. Ship service/emergency service - Sets which are used to provide both ship service and emergency service. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-
7、,-2. APPLICABLE DOCUMENTS 2.1 Government documents 2.1.1 Specifications, standards, and handbooks. The following specifica- tions, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the i
8、ssue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS FEDERAL 22-R-768 MM“A-260 MM“A- 1617 PPP-B-1055 PPP-F- 320 MILITARY MIL-C- 104 MIL-P-116 MIL-B-131 MIL-S-196 MIL-E-917 MIL-C-2212 MIL-R-2729 MI
9、L-G-3111 MIL-G-3124 MIL-C-9959 MIL-E- 10062 MIL-G- 12803 MIL-P- 15024 - Rubber for Mountings (Unbounded-Spool and Compression Types). $ - Adhesive, Water-Resistant (for Sealing Waterproofed * Paper) . - Adhesive, Rubber Base, General Purpose. - Barrier Material, Waterproofed, Flexible. - Fiberboard:
10、 Corrugated and Solid, Sheet Stock 4 (Container Grade) and Cut Shapes. - Crates, Wood; Lumber and Plywood Sheathed, Nailed - Preservation, Methods of. - Barrier Materials, Watervaporproof, Greaseproof, Flexible, Heat-Sealable. - Support Items, Accessories and Kits, Mechanical: Packaging of. - Electr
11、ic Power Equipment, Basic Requirements (Naval Shipboard Use). - Contnctors and Controllers, Electric Motor A.C. or D.C., and Associated Switching Devices. - Regulator Sets, Voltage, A.C. Geterator, Naval Shipboard Use. - Generators, Electric, Direct-Current (Naval Shipboard Use) . I - Generator, Alt
12、ernating Current, 60-Hertz (Naval Shiphoard Use). - Container, Shipping and Storage (Flexible, Reusable, Water-Vaporproof). - Engines: Preparation for Shipment and Storage of. - Gasket Material, Non-Metallic. - Plates, Tags and Bands for Identification of and Bolted. Equipment. MIL-P-15024/5 - Plate
13、s, Identification. a 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILITARY (Continued) STANDARDS MIL-T-15108 MIL-R-15109 MIL-S-15371 MIL-S-16036 MIL-E-16298 MIL-M-17059 MIL-E-17555 MIL-L-19140 MIL-C-19836 MIL-L-21260 MIL-G-21410 MIL-E-23457 MIL-
14、1-24453 MIL- E- 24455 MIL-1-26860 FEDERAL FED-STD-313 MI LI TARY MIL-STD-129 MIL-STD-167-1 - MIL-STD-167-2 - MIL-STD-178 - MIL-STD-438 - MIL-STD-461 - Transformers, Power, Step-Down, Single-phase, 60-Hertz, 1-Kilovoltampere Approximate Minimum Rating, Dry Type, Naval Shipboard. Resistors and Rheosta
15、ts, Naval Shipboard. Starter, Engine; Electrical Motor (Shipboard Use). Switchgear, Power, Naval Shipboard. Electric Machines Having Rotating Parts, Accessories and Associated Support Items: Packaging of. Motors, 60-Cycle, Alternating Current, Fractional H.P. (Shipboard Use). Electronic and Electric
16、al Equipment, Accessories, and Provisioned Items (Repair Parts): Packaging of. Lumber and Plywood, Fire-Retardant Treated. Coolers, Fluid, Industrial, Air Motor and Lubricating Oil, Internal Combustion Engine, Governing Systems, Speed and Load-Sensing (for Engines, Diesel Marine, Propulsion and Auxi
17、liary, Inhibitor, Corrosion, Soluble-Oil. Engines, Diesel, Propulsion and Auxiliary, High Indicator, Humidity, Plug, Color Change. Generator, Naval Shipboard. Preservative and Break-In. Electric Generator Sets). Medium Speed. Speed, Naval Shipboard. Material Safety Data Transportation Data and Dispo
18、sal Data for Hazardous Materials Furnished to Government Activities. Marking or Shipment and Storage. Mechanical Vibrations of Shipboard Equipment (Type I - Environmental and Type II - Internally Escited) . Mechanical Vibrations of Shipboard Equipment (Reciprocating Machinery and Propulsion System a
19、nd Shafting) Types III, IV and V. Electric Generator Sets. Associated Piping Components for Submarine Service. Electromagnetic Emission and Susceptibility Definitions Applicable to Speed-Governing of Schedule of Piping, Valves, Fittings, and Requirements for the Control of Electromagnetic Interferen
20、ce. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILITARY (Continued) MIL-STD-462 - Electromagnetic Interference Characteristics, Measurement of. MIL-STD-471 - Maintainability Verification/Demonstration/ Evaluation. MIL-STD-740-1 - Airborne Soun
21、d Measurements and Acceptance Criteria of Shipboard Equipment. MIL-STD-740-2 - Structureborne Vibratory Acceleration Measurements and Acceptance Criteria of Shipboard Equipment. MIL-STD-756 - Reliability Modeling and Prediction. MIL-STD-777 - Schedule of Piping, Valves, Fittings, and Associ- ated Pi
22、ping Components for Naval Surface Ships. MIL-STD-882 - System Safety Program Requirements. MIL-STD-1186 - Cushioning, Anchoring, Bracing, Blocking, and MIL-STD-1310 - Shipboard Bonding, Grounding, and Other Techniques MIL-STD-1629 - Procedures for Performing a Failure Mode Effects Waterproofing; Wit
23、h Appropriate Test Methods. for Electromagnetic Compatibility and Safety. and Criticality Analysis. (Unless otherwise indicated, copies of federal and military specifications, standards, and handbooks are available from the Standardization Documents Order Desk, BLDG, 4D, 700 Robbins Avenue, Philadel
24、phia, PA 19111-5094.) 2.1.2 Other Government documents. drawings, and publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. PUBLICATIO
25、NS NAVAL SEA SYSTEMS COMMAND (NAVSEA) S9073-A2-HBK-010 - US Navy Resilient Mount Handbook. S9086-HD-STM-000 - Diesel Engines Propulsion and General Purpose, Naval Ships Technical Manual, Chapter 235. (Application for copies should be addressed to the Standardization Documents Order Desk, BLDG. 4D, 7
26、00 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.2 Non-Government publications. The following document(s) form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted are those listed in the issue of the DODISS cited in
27、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). AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) D 3951 - Standard Practice for Commercial Packaging. (DoD adopted) (Application for co
28、pies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103-1137.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-(Non-Government standards and other publications are normally available from t
29、he 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 this document
30、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 4.3. 3.2 Ma
31、terials. Materials shall be in accordance with MIL-E-917 3.2.1 Recovered materials. Unless otherwise specified herein, all equipment, material, and articles incorporated in the products covered by this specification shall be new and may be fabricated using materials produced from recovered materials
32、 to the maximum extent practicable without jeopardizing the intended use. The term “recovered materials” means materials which have been collected or recovered from solid waste and reprocessed to become a source of raw materials, as opposed to virgin raw materials. None of the above shall be interpr
33、eted to mean that the use of used or rebuilt products is allowed under this O specification unless otherwise specifically specified. 3.2.2 Nonstructural parts. Nonstructural parts such as terminal boxes, housings, ducts, and similar parts shall be fabricated from aluminum alloy, where feasible. 3.2.
34、3 Hazardous materials. The material shall have no adverse effect on the health of personnel when used for its intended purpose. Questions pertinent to this effect shall be referred by the contracting activity to the Bureau of Medicine (BUMED) who will act as an advisor to the contracting activity. M
35、aterials and parts containing radioactive material, mercury, cadmium, asbestos, carbon, boron fibres, or other materials giving off toxic fumes under operating or casualty conditions shall not be used. 3.2.3.1 Material safety data sheet (MSDS). The contracting activity shall be provided a material s
36、afety data sheet at the time of contract award. The MSDS shall be provided in accordance with the requirements of FED-STD-313. The MSDS shall be included with each shipment of the material covered by this specification (see 6.8). 3.3 Diesel Kenerator set. 3.3.1 General requirements. The diesel gener
37、ator set and accessories shall be as lightweight and compact as possible consistent with the construction, per- formance, reliability and maintainability requirements specified herein (see 6.3 O and appendix B). Weight and dimensional limitations shall be as specified (see 6.2). 5 Provided by IHSNot
38、 for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-G-212966 9799906 397b29b 890 MIL-G-21296B(SH) 3.3.1.1 Construction. The requirements Specified shall be considered as minimum standards and the construction shall have as primary objectives the following: (a) Maximum
39、 reliability. (b) Maximum ease of operation. (c) Maximum maintainability. 3.3.1.2 Reliabilitv and maintainability. The contractor shall employ in the process of design and manufacture such methods as are necessary to assure achieve- ment of levels of reliability and maintainability of the complete g
40、enerator set not less than those specified in 3.3.1.2.1, 3.3.1.2.3 and 3.3.1.2.5 (see 6.3). 3.3.1.2.1 Life. The diesel generator set design and construction shall be based on a life expectancy as: Ship service and emergency service - 125,000 hours of operation with no limitations as to the number of
41、 starts and stops. This includes 100,000 hours at rated load, 20,000 hours between 50 percent and 100 percent rated load, and 5,000 hours below 50 percent rated load. The time between overhauls shall be not less than 20,000 hours. 3.3.1.2.2 Repair of Parts. Parts which are not classified as on board
42、 parts shall not need repair, except during overhaul periods, or where damage is incurred due to external causes unrelated to the design. 3.3.1.2.3 Reiiabilitv Drediction. The reliability prediction of the generator set shall be based on the failure rate of parts, and the information specified in 3.
43、3.1.2.1 and 3.3.1.2.2. The construction and application of parts shall be such that the Mean-Time-Between-Failure (MTBF) of the generator set is at least 1,000 hours. The MTBF shall be predicted using the design prediction procedure specified in MIL-STD-756 and using the failure rate sources specifi
44、ed therein. For parts where no failure rate is available, a failure rate shall be estimated and the basis for the estimate stated in the calculations. The derating factors used for each part and the stress levels at which each part is operating shall be stated in reliability calculations. The stress
45、 levels shall be those as determined from test insofar as practicable. In those instances where test data is not available, design data shall be used. 3.3.1.2.4 Failure. A failure is defined as occurring when the collective or individual unit performance degrades to the point where the requirements
46、of this specification cannot be met or wherein personnel safety is jeopardized. 3.3.1.2.5 Maintainability urediction. The Mean-Time-To-Repair (MTTR) shall be not more than 24 hours (see 6.3). The failure rates used shall be those which have been determined in the reliability predictions. The maintai
47、nability prediction shall take into consideration all design changes made during the engineering design phase. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-G-212968 m 9999906 L976297 727 3.3.1.2.6 Failure mode effect and criticality analysis
48、 (FMECA). The contractor shall conduct, before the design tests, an FMECA in accordance with MIL-STD-1629 (see 6.3). 3.3.1.2.7 Maintenance. Accessibility shall be provided to all parts which require inspection, preventative maintenance, or replacement in service with the minimum practicable need for
49、 disconnection or removal of another part or assembly. Access panels, covers, peep holes, and so forth, shall be employed to the fullest extent feasible and compatible with the intended inspection or maintenance action. The envelope of the minimum required space around the generator set which is needed for ease of maintenance shall be as shown on the generator set installation drawing . “ 3.3.1.3 System safety proEram. The contractor shall implement a tailored sys
