NAVY MIL-I-21203 A-1962 INDICATOR ATTITUDE SPHERICAL DIRECT READING FAST ERECTING ELECTRIC GYRO《电动陀螺式快速架设型直读球型位置指示器》.pdf
《NAVY MIL-I-21203 A-1962 INDICATOR ATTITUDE SPHERICAL DIRECT READING FAST ERECTING ELECTRIC GYRO《电动陀螺式快速架设型直读球型位置指示器》.pdf》由会员分享,可在线阅读,更多相关《NAVY MIL-I-21203 A-1962 INDICATOR ATTITUDE SPHERICAL DIRECT READING FAST ERECTING ELECTRIC GYRO《电动陀螺式快速架设型直读球型位置指示器》.pdf(23页珍藏版)》请在麦多课文档分享上搜索。
1、MIL-I-21203A bb W 7777706 0130285 b W / IAUGUST I962 SU PER SED IN G MiL-X-21203(AER) 16 DECEMBER 1957 MILITARY SPECIFICATION INDICA TOR, ATTITUDE, SPHERICAL, DIRECT READING, FAST ERECTING, ELECTRIC GYRO This specification has been approved by the Bureau of Naval Weapons, Department of the Navy. 1.
2、SCOPE 1.1 Scope - This specification covers certain design and all performance require- menta for procurement of spherical, direct reading, fast erecting, electric gyro attitude indicators in 5 by 5-1/4 inch cases. * 1.2 Classification - The Attitude indicators shall be of the following types: Type
3、I - indicators without integral lighting and without synchro Output. (MS28086 - 1) Type 11 - indicators without integral lighting and with synchro output. (MS28086- 2) Type U - indicators with integral lighting and without synchro Type IV - indicators with integral figwing and with synchro Output. (
4、MS28086- 3) Output. (MS28086 -4) 2. APPLICABLE DOCUMENTS 2.1 General - The foilowing documents, of the issue in effect on the date of the invitation for bids, formpart of this specification to the extent specified herein, SPECIFiCATiONS Federal DD-G-451 Glass, Flat and Corrugated, for Glazing, Mirro
5、rs and QQ-C-320 Chrominum Plating (Electrodeposited) QQ-N-290 Nickel Plating (Electrodeposited) QQ-P-416 Plating, Cadmium (Electrodeposited) Military MIL-P-116 Preservation, Methods of other uses MIL-C-5015 Connectors Electric, “AN“ Type IFSC 6610 1 Provided by IHSNot for ResaleNo reproduction or ne
6、tworking permitted without license from IHS-,-,-I MIL-I-23203A 66 m 7377706 0330286 B MIL-I-%1203A(WEP) MIL-E-5272 MIL-E- 5400 MIL-C-5541 MIL- N- 601 1 MIL-L-6085 MIL-1-6181 MIL-S-6872 MIL-S-7742 Mn, - M- 77 93 MIL-P-7936 MIL-A-8625 MIL-R-22973 MIL-L-25467 MIL-G-25591 MIL-D-70327 STA h?)ARDS Federal
7、 FED-STD-595 Military MIL-STD-130 MIL-STD- 143 MIL-STD- 704 MS28086 MS3 3 558 MS33586 Environmental Testing, Aeronautical and Associated Equipment, General Specification for Electronic Equipment, Aircraft, General Specification for Chemical Films for Aluminum and Aluminum Alloys Nitrogen, Liquid and
8、 Gas Lubricating Oil, Aircraft Instrument, Low Volatility Interference Control Requirements, Aircraft Equipment Soldering Process, General Specification for Screw Threads, Standard, Optimum Selected Series, General Specification for Meter, Time Totalizing Parts and Equipment, Aeronautical, Preparati
9、on for Delivery . Anodic Coatings, for Aluminum and Aluminum Alloys Reliability index Determination for Avionic Equipment Models, General Specification for Lighting, Integral, -Instrument, General Specification for Gyroscope, Rate, Switching Type MC-1 Drawings, Engineering and Associated Lists Color
10、s Identification Marking of U. S. Military Property Specifications and Standards, Order of Precedence for the selection of Electric Power, Aircraft, Characteristics and Utilization of Indicator. Attitude, Spherical, Direct Reading, Fast Erecting, Electric Gyro Numerals and Letters, Aircraft Instrume
11、nt Dial, Standard Form of Metals, Definition of Dissimilar 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2.2 - MIL-1-21203A bb M 777970b 0330287 T W MIL-1-21203A (WEP) Availability of Documents - (1) When requesting any of the applicable document
12、s, refer to both titie and number. Copies of this specification and applicable documents may be obtained upon application to the Commanding Officer, Naval Supply Depot, Code CDS, 5801 “abor Avenue, Philadelphia 20, Pennsylvania. 3. REQUIREMENTS * 3.1 Qualification - The attitude indicator furnished
13、under this specification shali be a product which has been tested, and has passed the qualification tests specified herein and has been listed on, or approved for. listing on, the applicable qualified products list. 3.2 Selection of Government Documents - Specifications and Standards for necessary c
14、ommodities and services not specified herein shall be selected in accordance with MIL-STD-143 except as provided .in 3.2.1 and 3.2.2. 3.2 1 Commercial Parts - Commercial parts having suitable properties may be used where, on the date of invitation for bids, there are not suitable standard parts in a
15、ny case, com- mercial utility parts, like screws, bolts, nuts, cotter pins, having suitable properties, may be used provided: (a) The can be replaced by the standard parts (MS or AN) without alteration. ) The corresponding standard part numbers are referenced in the parts list and if practicable, on
16、 the contractors drawings. 3.2.2 Standard Parts - With the exception of 3.2.1, MS and AN standard parts shall be used where they suit the purpose. They shall be identified on the drawings by their part numbers, 3.3 specified herein. Materials for which there are no applicable specifications, or whic
17、h are not specifically described herein, shall be of the best quality, of thelightest practicable weight and suitable for the purpose intended, Materials - Materials shall conform to applicable specifications and shaU be as 3.3.1 Critical Materials - Noncritical materials shall be used where practic
18、able. Where the use of a critical material is essential to meet specification requirements, the material used shall be the least critical of those which are adequate for the purpose. protected as specifiedein to resist corrosion due to fuels, salt spray or atmospheric conditions to which the instrum
19、ent may be subject when in storage or during normal service life. 3.3. 2 Metals - Metals shall be of the corrosion resistant type, or shall be suitably 3.3.2.1 Dissimilar Metals - Dissimilar metals as defined in MS33586 shall not be used in intimate contact with each other, unless suitably protected
20、 against electrolytic corrosion by means of protective coatings or hermetic sealing. 3.3.3 Non-magnetic Materials - Non-magnetic materials shall be used for all parts of the instrument except where magnetic materials are essential, 3.3.4 huigus-Proof Materials - Materials which are nutrients for fim
21、gi shail not be used where it is practicable to avoid them, Where used and not hermetically sealed, they shail be treated with a fungicidal agent acceptable to the procuring activity. if used in a hermetically sealed case, fungicidal treatment will not be necessary. 3 .- it Provided by IHSNot for Re
22、saleNo reproduction or networking permitted without license from IHS-,-,-MIL-I-23203A bb W 77777Ob 0330288 3 W MIL-I-21203A (WEP) 3.3.5 Corrosive Fumes - Materials used in the interior construction of the instrument shall not produce corrosive or deleterious fumes. 3.4 Design and Construction - The
23、indicator shall be designed to indicate the attitude of an airplane throughout all maneuvers and to permit loops and rolls. to be made with controlled tumbling of the gyro, The instrument shaii be 80 constructed that no parts will work loose in service and wiii withstand the normal strains of jars,
24、vibrations and such other conditions as are incident to shipping, storage, installation and service without failure, possible disassembly, repair or overhaul, service maintenance, and reassembly by those tools and items of maintenance equipment which are normally available as commercial standards wi
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