1、MIL-C-85301 58 m 9999906 017L117? 7 c fSt7-5 . MIL-C-85301 (AS) 28 April 1980 9 MILTARY SPECIFICATION COMPUTER, SONAR DATA; CP-1323/AQS-l3E AND MOUNTING BASE; MT-4948/AQS-l3E This specification is approved for use by the Naval Air Sys- tems Command, Department of the Navy, and is available for use b
2、y all departmentsor agencies of the Department of Defense. 1. SCOPE 1.1 Scope - Computer, Sonar Data CP-1323/AQS-l3E shall be a light- weight, airborne, digital acoustic processor designed for use onboard aircraft for real-time processing of acoustic signals from submerged objects. shall consist of-
3、the following items: 1.2 Classification - The equipment covered by this specification Applicable . I tem “ Type Designation Paragraph - Computer, Sonar Data . CP-1323/AQS-l3E 3.5.1 Mounting Base, Sonar Data MT-4948/AQS-l3E 3.5.2 Computer 1.3 4ssociated Equipment - This equipment shall operate with t
4、he associated equipment listed in 6.7. v Beneficial comments (recommendations, additions, -deletions) and any pertinent data which may be of use in improving this docu- ment, should be addressed to: Commanding Officer, Naval Air Engineering Center, Engineering Specifications and Standards Department
5、 (ESSD) , Code 93, Lakehurst, NJ 08733, by using the self-addressed Standardization Document Improvement Proposal. (DD Form 1426) appearing at the end of this document, or by 1 etter. F- Licensed by Information Handling ServicesMIL4-85301 (AS) 2. REFERENCED DOCUMENTS 2 e1 Issue of Documents - The fo
6、llowing documents, of the issue in effect on date OF invitation for bids or request for proposal, form a part of this specification to the extent specified herein. SPECIFICATIONS Federal QQ-A-250/11 Mi 1 i tary MIL-C-172 M I L-S-3786 MIL-W-5088 MIL-E-5400 MIL-T-5422 MIL-C-5809 MIL-C-6781 MIL-P-7788
7、2 MIL-“7793 MIL-A-8625 MIL-F-15733 Aluminum Alloy 6061, Plate and Sheet Cases; Bases, Mounting; and Mounts, Vibration (For use with Electronic Equipment in Aircraft) Switch, Rotary, (Circuit Selector, Low Current Capacity) General Specification For Wiring; Aerospace Vehicle Electronic Equipment, Air
8、borne, General Specification for Testing, Environmental, Aircraft Electronic and Associated Equipment Circuit Breakers, trip-free, Aircraft, General Specification for Control Panel: Aircraft Equipment, Rack or Console . Mounted (Asq) Panel, Information, Integrally Il 1 umi nated Meter, Time Totalizi
9、ng Anodic Coatings, For Aluminum and Al umi num Al 1 oys Filter, Radio Interference, Genera F or .1 Spec ification 2 Licensed by Information Handling ServicesMIL-C-85301 58 7777706 017gL81 5 m MIL-C-85301 (AS) SPECIFICATIONS Mi 1 i tary - MIL-E-17555 MIL-.T-18303 MIL-N-18307 MIL-S-22710 MIL-S-22710/
10、18 MIL-T-23103 MIL-P-81279 MIL-C-85301 STANDARDS Federal - FED-STD-595 Mi 1 i tary - MIL-STD-461 MIL-STD-462 MIL-STD-470 MIL-STD-471 Electronic and Electrical Equipment, Accessories, and Repair Parts, Packaging and Packing of Test Procedures; Preproduction, Acceptance, And Life For .Aircraft Electro
11、nic Equipment, Format for Nomenclature and Identification for Electronic, Aero- nautical, and Aeronautical Support Equipment including Ground Support Equipment Switches, Rotary (Printed Circuit) (Thumbwheel, Inline, and Pushbutton), General Specification For Switch, Rotary (Printed Circuit) (Pushbut
12、ton, Bidirectional , Sealed or Unsealed, Nonil luminated) Sty1 e SRPC18 Thermal Performance Evaluation, Airborne Electronic Equipment and Systems, General Requirement for Power Supply, Miniature, General Specification for Classified Extract of Military Specification, Computer, Sonar Data; CP-3123/AQ
13、S-l3E and Mounting Base; MT-4948/AQS.-13E Colors Electromagnetic Interference Characteristics Require- ments for Equipment Electromagnetic Interference Characteristics, Meas- urements of Maintainability Program Requirements (For Systems and Equipments) Maintainability Verification/Demonstration/ Eva
14、lua- ti on Licensed by Information Handling ServicesMIL-C-85301 (AS) Military (Continued) MIL-STD-704 Aircraft Electric Power Characteristics MIL-STD-781 Reliability Design Qualification and Production Acceptance Tests: Exponential Distribution Development and Production MIL-STD-785 Reliability Prog
15、ram for Systems and Equipment MIL-STD-790 Re1 iabil ity Assurance Program for Electronic Parts Specifications MIL-STD-794 Parts and Equipments Procedures for Packaging and Packing of -8 . MIL-STD-2068 Reliability Development Tests MIL-STD-2074 Failure Classification for Reliability Testing HANDBOOKS
16、 rIl litary_ MIL-HDBK-217 Reliability Prediction of Electronic Equipment PUBLICATIONS yaval Air Systems Command WS-6536 Procedures and Requirements for Preparation and Soldering of Electrical Connections 4 Licensed by Information Handling ServicesMIL-C-85301 (AS) 2.2 Source of documents - Copies of
17、specifications, standards, drawings, and publications required by contractors in connection with specific procurement functions should be obtained from the procuring, - activity or as directed by the contracting officer, 3. REQUIREMENTS . 3.1 Preproduction - This specification makes provision for .p
18、re- production testing. 3.2 Parts and Materials - In the selection of parts and materials, fulfillment of-mjor design objectives shall be the prime consideration. In so doing, the following shall. govern: a. Microelectronic technology shall be considered and microelectronic items shall conform to re
19、quirements specified herein. b. Other parts and materials requirements shall conform to MIL-E-5400. c. Subassemblies of high rel.iability or relatively low cost shall be constructed as nonrepairable as outlined in MIL-E-5400. d. When previously produced models of this equipme did not use nonrepairab
20、le subassemblies, the design shall . . not be-changed to-employ nonrepairable assembljes without the approval of the procuring activity. 3,Z.l . Nonstandard Parts andMaterials Approval - Approval for the use of nonstandaFd parts and materials (including transistors, diodes, and thin and thick.film h
21、ybrids) other than microelectronic devices shall be obtained as outlined in MIL-E-5400. (See 6.2.1.) 3.2.2 Microelectronic Modular Assemblies - Conformal coatings, encapsulate, embedments, or potting materials uses with modular assemblies containing integrated circuits and discrete parts shall -be e
22、asily removed without damage to the assembly and shall be in accordance.with MIL-E-5400. (See 6.2.1.). Licensed by Information Handling ServicesMIL-C-85301 (AS) 3.2.3 ljodules - The electronic portions of the equipment shall, be functionally modularized at all levels of assembly/disassemblj. The ref
23、erences in MIL-E-5400 to detailed mechanical and electrical design and tomaintaina- bitity and to accessibility shall be applicable. 3 e3 Design and Construction - The equipment shalT conform to the reauirements of MIL-E-5400 for design, construction and workmanship, except as otherwise specif i ed
24、herei n. 3.3.1 Total Weight - The total weight of the equipment, excluding cables, shall be a minimum consistent with good design and shall not exceed 23.14 kilograms (51 pounds) . “ 3.3.2 F$liability - The contractor shall conduct a reliability pro- gram using MIL-STD-785 as a guide. On a reorder f
25、rom a supplier who has pre- viously produced the equipment, the program previously approved for use may be continued unless otherwise indicated in the contract or order. (See 6.2.1.) 3.3.2.1 Operational Stabil itx - The equipment shall operate with satis- factory performance, continuously or intermi
26、ttently for a period of at least 425 hours without the necessity for readjustment of any cntrols which are inaccessible to the operator during normal use. 3.3.2.2 Operating Life_ - The equipment shall have a total operating life of 5000 hours, with reasonable servicing and replacement of parts. Part
27、s requiring scheduled replacement shall be specified by the contractor. 3.3.2.3 gel i abi 1 i ty in Mean-Time-Between-Fai lure (MTBF) - The equip- ment, including any built-in test provisions, shall have 425 hours of mean (operating) time between failures when tested and accepted as out1 ined under
28、the requirements of 4.4.3 . 13E, shall contaTn a time totalizing meter in accordance with MIL-“7793, Type 3.3.2.4 Time Totalizing Meter -The Sonar Data Computer, CP-l323/AQS- MS 17322-10. 3.3.2.5 Reliability Program Specific Requirements - To prepare the necessary program consistency and program con
29、trol visibility, the-fllowing specific requirements shall apply to contractor reliability programs. 6 Licensed by Information Handling Services- Y Y detailed reliability design analysis in accordance with MIL-STD-785. The analysis shall consider failure modes and effects, component loadings, -enviro
30、n- ments, and failure rates, and mean-time-between-failures. Analysis shall con- tinue throughout the program design, development, and test phases and shall progressively refine reliability predictions with the most current available design and environmental data. In general, ea.rly reliability proj
31、ections shall be based upon estimated system configuration., component part ratings and stresses, and environmental conditions. Later predictions shall replace these estimates with actual design details, calculated loading and calculated local reflect current design (i.e. include the latest design c
32、hanges) and the com- ponent loadings and environmental exposures observed in the development test, adjusted where necessary to reflect maximum specified equipment ambients. . 7 environmental exposures. Predictions in the final phase of the program shall 3.3.2.5.1.1 Failure Modes and Effects -The rel
33、iabilityanalysis sh.al1 in- clude all signifrcant failure modes. Analysis shall document failure modes, effects, and-critical analysis. Failure mbdeand effect analysis shall be documented in sufficient detail to enable corPection of each distinct failure mode having significant impact on specified e
34、quipment performance. 3.3.2.5.1.2 Environment - Component failure rate predictions shall reflect the equipmentJs maximum specified environmental exposures, as defined in this specification and the estimated, calculated and test-observed, local component part environments present wit-hin. the equipme
35、nt during operation at the speci- fied equipment ambients. Predictions shall acknowledge heat generated within the black box and the resulting local component temperature rises above the maximum specified black box ambient. Prediction.shal1 also consider aircraft installation and operation and the r
36、esulting usual increase in failure rates above those observed in laboratory test Component failure rate predictions, based upon MIL-HDBK-217, shall reflect the handbook S adjustment factors. Predictions based on other data shall be similarly adjusted as appropriate. m 3.3.2.5.1.3 Statistics - Analys
37、is of electronic components with wearout characteristics and age-dependent failure rates (e.g., lamps, batteries, etc.) , and mechanical components shall consider the statistical implementations of this wearout. Analysis may neglect only that wearout precluded by the sched- uled maintenance procedur
38、es as defined in.the hardware specification. 3.3.2.5.1.4 MTBF Predictions - The reliability design analysis shall pro- vide predictions-of equipment and system MTBF. MTBF shall be based on all component parts in a series probability model. MTBF shall consider all redundancies which permit operation
39、in accordance with specified requirements, despite component failure modes,and redundancies. This shall inc1,ude the m 7 Licensed by Information Handling ServicesMIL-C-85301 (AS) failure sensing elements and the mechanisms used to switch from a failed path to an alternate path. Analysis shall also c
40、onsider testing done to insure all redundant paths are operable at the start of a mission. Degraded operation modes associated with redundancies shall be documented, It shall also consider component stress level variations with mode of operation. 3.3.2.5.2 Failure Analysis- - The contractor shall pr
41、epare engineering analysis of all equipment failures occurring during: a. Contract tests specified by the equipment specification. b Contractors shall type necessary to MIL-STD-790. POS Service use during the contractor support phase of the program. employ failure analysis capabilities and facilitie
42、s of the define the cause of failure, including those described in tive corrective action shall be implemented to prevent recur- i rence of all failures. Program planning in responseto MIL-STD-785, Management Tasks, shall include the necessary procedures for data collection and failed specimen contr
43、ol and routing. 3.3.2,5.2.1 Eest Data - The contractor shall keep a daily record of the performance of the equipment, making particular note of any deficiencies or failures, In the event of part failures, the defective part shall be replaced and the operation resumed for the balance of the test peri
44、od. A record shall be kept of all failures throughout the test, This record shall indicate the following: (See 4.5.) a. Part type number b . The circuit reference symbol number c. The part function d, Name of the manufacturer e. Nature of the failure f. The number of hours which the part operated pr
45、ior to failure. 3.3.3 Cab1 ins and Connecti ong 3.3.3.1. cables and Connectors - The equipment specified shall provide for the use of cables and connectors in accordance with MIL-E-5400. 3.3.3.2 Interconnection Cablin-9 - The equipment specified shall be cap- able of satisfactory operation using ext
46、ernal wiring in accordance with the applicable requirements of MIL-W-5088. The external wiring shall be unshielded, except that a minimum number of the individual wires may be shielded when neces- sary to meet interference control requirements, and provided the assembly of the cable to its plugs may
47、 be easily accomplished. External cables and that portion of the connectors attached to the cable shall not be supplied as part of the equipment. a Licensed by Information Handling ServicesMIL-C-85301 (AS) 3.3.4 Control Panels. - Al 1 rack or console-mounted control panels shall conform to the appli
48、cabTe requirements of MIL-C-6781, except the edge- lighted panels may be 0.350 inch maximum thickness. The configuration of. all panels shall be approved by the procuring activity prior to preproduction test- ing. The lighting of the plastic panel shall conform to MIL-P-7788, Class 2R, Type V. (See
49、6.2.1.) 3.3.5 Interchangeability - The equipment abi 1 i ty requirements of MILE-5400. shall meet the interchange- 3.3.6 Interference Control - The generation of radio interference by the equipment an8 the vulnerability of the equipment to radio interference shall meet the requirements of MIL-STD-461. (See 4.2.2.2.) 3.3.7 P_rovisions for Mainta.inability - The Maintainability Program, built-in-test features, construction and packaging, provisions for test points, and other maintainability parameters shall conform to the requirements o
