NAVY MIL-S-18271-1954 SLOTTED SECTION - PROBE TS-339( ) UP《TS-339( ) UP探测器开槽段》.pdf
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1、Specifications Military MIL-T-85 Tubing, Waveguide, Seamless Rectangular MIL- T- 94 5 Test Equipment, For Use With Electronic Equipment; General Specification Packaging and Packing of Electrical. Equipment and Spare Parts (Electronic Electrical, and Electromechanical) JAN- P- 6 58 Bureau of Aeronaut
2、ics SR-19 7 Nomenclature and Nameplates for Electronic and Associated Equipment Standards MIL- STD- 129 Availability of Applicable Documents Marking for Shipment and Storage (1) When requesting applicable documents, refer to both title and pumber. All requests should be made via the cognizant inspec
3、tor of Naval Material or Bureau of Aeronautics. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL- Is- 182 7 1 (2) Copies of this specification and applicable documents may be obtained upon application to the Commanding Officer, Naval Air Station,
4、Johnsville, Pennsylvania, Attn: Technical Records Division. 2.5 specifications are in conflict, the following precedence shal apply: precedence - When the requirements of the contract, this specification, or applicable subsidiary (i) Contract - The contract shall precedence over any specification. (
5、2) This mecification - This specification shall have precedence over all applicable subsidiary specifications. Any deviation from this specification or from subsidiary specifications where applicable, shall be specifically approved in writing by the procuring agency. (3) Referenced Specifications -
6、Any referenced specification shall have precedence over all appli- cable subsidiary specifications referenced therein. All referenced specifications shall apply to the extent specified. 3. REQUIREMENTS 3.1 Parts and Materials 3.1.1 General - The equipment shall fulfill the following requirements for
7、 parts and materials: (i) Design Objectives - Minimum size and weight, simplicity of operation and an improvement in the performance and reliability of the specific functions beyond the requirements of this specification are objectives in the design of the equipment specified herein, The use of ma-
8、terials, parts, and processes other than those required by Specification MIL-T-945 shall be investigated, and when it appears that a substantial reduction in size and weight or improvement in simplicity of design, performance, or reliability can be realized by their substitution, a re- quest for app
9、roval of a nonstandard part shall be submitted to the procuring agency for consid- eration. Each request shall be accompanied by complete supporting information. (2) Selection of Parts and Materials - The fulfillment of major design objectives shall govern the selection of parts and materials. All p
10、arts and materials shall meet the requirements of Specification MIL-T-945; however, if the contractor can demonstrate that the use of such parts and materials will not fulfill the major design objectives, then parts and materials shall be used which most nearly meet or exceed the requirements of Spe
11、cification MIL-T-945. I (3) Approval for Nonstandard Parts and Materials - Approval for the use of nonstandard parts and materials shall be obtained as outlined in Specification MIL-T-945. Requests for approval must be forwarded to the procuring agency by the contractor before parts are purchased or
12、 fabricated, I (4) Workmanshie - Workmanship, fabrication, and manufacturing process shall conform to the re- quirements of Specification MIL-T-945. 3.2 General Design Requirements 3.2.1 fication MIL- T- 945 unless otherwise specified. 3.2.2 or reasonable combinations of service conditions, as speci
13、fied in MIL- T-945 except that the requirements specified shall apply only within the temperature range from -40“ to +55“ C. 3.2 3 reasonable servicing or replacement of parts. The life of such parts and parts requiring replacement within this interval shall be specified by the manufacturer. 3.2.4 c
14、ontinuously or intermittently, without necessity for adjustment or readjustment, . General - This equipment shall fulfill all applicable design and performance requirements of Speci- Service Conditions - The equipment shall operate satisfactorily under any of the service conditions, I I Total Operat
15、ing Life. - The equipment shall have a minimum total operating life of 2000 hours with I Operational Stability - The equipment shall operate with optimum performance for at least 200 hours, 2 - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-r MIL-S-
16、18271 bb 97779Ob OL29686 MIL-S- 18271(Aer) 3.2.5 of parts and materials that are non-nutrient for fungus. The parts and materials shall be treated so that prior to their use in the equipment, over-all spraying of the equipment is not necessary. 3.2.6 Interchangeability - Mechanical and electrical in
17、terchangeability shall exist between similar assem- blies, subassemblies, and replaceable parts regardless of the manufacturer or supplier. Interchangeability for the purposes of this paragraph does not mean identity, but requires that a substitution of such like assem- blies, subassemblies, and rep
18、laceable parts be easily effected without physical or electrical modifications to any part of the equipment. In the design of the equipment, provisions shall be made for design tolerance to accommodate various components having the limiting dimensions and characteristics set forth in the speci- fica
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