1、8 MIL-W-85057 12 W 7777706 0433752 O I s. MIL-W-85057(AS) 11 April 1979 . MILITARY SPECIFICATION Weapons Delivery Computer for the Bombing Set, Angle Rate AN/ASB-lg(V) This specification has been approved by the Naval Air Systems Command, Department of the Navy 1.1 Scope. This specification covers t
2、he requirements for a digital computer designated as weapons delivery computer (WDC) for the AN/ACB-19 (V) Angle Rate Bombing Set (ARBS). 1.2 Classification. The equipment.covered by this specification shall consist of the following items: Type Designation Applicable Paragraph Computer, Digital CP-1
3、276/ASB-l9(V) 3.5.1 Converter-Interface Unit, Computer, 3.5.2 J- 34 29/ASB-19 (V) 1.3 Associated Equipment. This equipment shall operate with the associated equipment listed in 6.6. 2. APPLICABLE DOCUMENTS 2.1 General. Unless otherwise specified herein, the following documents of the issue in effect
4、 on the date of invitation for bids form a part of this specification to the extent specified herein. the documents referenced herein and the contents of this specification, the contents of this specification shall have precedence. In the event of conflict between SPECIFICATIONS Military MIL-P-116 P
5、reservation - Packaging, Methods MIL-C-172 Cases; Bases, Mounting; and Mounts, Vibration (For use with Electronic Equipment in Aircraft) Comments or recommendations which may be of use in improving this document may be sent to the preparing activity when a Self-Addressed Standardization Document Imp
6、rovement Proposal (DD Form 1426) appears at the end of this document, or by letter addressed to the cognizant activity. FSC 1280 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-5057 12 999990b Oq33953 2 c c MIL-W-85057 (AS) MIL-D-1000 Drawings,
7、 Engineering snd Associated Lists MIL-E-5400 Electronic Equipment, Aircraft, General Specification for MIL-N-7793 Meter, Time Totalizing MIL-1-8500 Interchangeability and Replaceability of Component; Parts for Aircraft, Installation of MIL-D-8706 Data and Test Engineering, Contract Requirements for
8、Aircraft Weapons Systems Electronic and Electrical Equipment and Associated Repair Parts, Preparation for Delivery of MIL-E-17555 MIL-T-18303 Test Procedures; Preproduction and Acceptance for Aircraft Electronic Equipment, Format for MIL-N-18307 Nomenclature and Nameplates for Aeronautical Electroni
9、c and Associated Equipment Thermal Performance Evaluation, *Airborne Electronic Equipment; General Requirement for - MIL-T- 23103 MIL-M-81288 Mounting Bases, Flexible Plastic Foam MIL-C-81511 Connector, Electrical, Circular, High Density, Quick Disconnect; Environment Resisting and Accessories, Gene
10、ral Specification for Bombing Set, Angle Rate AN/ASB-19 (V) MIL-Ay85055 Naval Air Systems Command AR- 5 Microelectronic Devices Used in Avionics Equipment, Procedures or Selection and Approval of AR-10 Maintainability of Avionics Equipment and Systems, General Requirements for STANDARDS Military MIL
11、-STD-130 Identification Marking of U.S. Military Property MIL-STD-198 Capacitors, Selection and Use of MIL-STD-411 Climate Extremes for Military Equipment MIL-STD-454 Standard General Requirements for Electronic Equipment - 2- Provided by IHSNot for ResaleNo reproduction or networking permitted with
12、out license from IHS-,-,-y MIL-W-5057 12 W 7777706 0433754 4 M A * MIL-W-85057 (AS) MIL-STD-461A Electromagnetic Interference Characteristics, Requirements for Equipment, Notice 3, 1 May 1970 MIL-STD-462 MIL- S TD- 47 1 MIL-STD-480 MIL- STD- 681 MIL-STD-701 MIL-STD-704 MIL-STD-781B MIL-STD-785 MIL-S
13、TD-794 MIL-STD-810B Eleceromagnetic, Interference Characteristics, Measurement of, Notice 2, 1 May 1970 Maintainability Demonstration Configuration Control - Engineering Changes, Deviations and Waivers identification Coding and Application of Hook-Up and Lead Wire List of Standard Semiconductor Devi
14、ces Electric Power, Aircraft, Characteristics and Utilization of Reliability Tests, Exponential Distribution Reliability Program for System and Equipment Development and Production Parts and Equipment, Procedures for Packaging and Packing o Environmental Test Methods MIL-STD- 88 2 System Safety Prog
15、ram for Systems and Associated Subsystem and Equipment, Requirements for MIL-STD-1378 Standard Hardware Program Modules, Requirements for Employing Human Engineering Design Criteria for Military Systems Equipment and Facilities MIL-STD-1472 MIL-STD-2074(AS) Failure Classification for Reliability Tes
16、ting MIL-STD-2076(AS) Unit Under Test Compatibility with Automatic Test Equipment; General Requirements for MS-17322-10 Meter, Time Toealizing, 115 Volt, 400 Cycle PUBLICATIONS Naval Air Systems Command AVMP- 184 ARBS Maintenance Plan AV-O93 ILSP for Angle Rate Bombing System (ARBS) -3- Provided by
17、IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-5057 12 W 797970b 0433755 b W. c E MIL-W-85057 (AS) 2.1.1 Availability of Documents. When requesting specifications, standards, drawings, and publications, refer to both title and number. Copies of this speci
18、f cation and applicable specifications required by contractors in connection with specific procurement functions may be obtained upon application to the Commanding Officer, Publications and Forms Center, Code 105, 5801 Tabor Avenue, Philadelphia, Pennsylvania 19120. 2.2 Non-Government Documents. The
19、 following documents form a part of this specification to the extent specified herein. Unless otherwise specified herein, the issue in effect on the date of invitation for bids or request for proposal shall apply. Hughes Aircraft Company (Code Ident 82577) DRAWINGS 3366000-310 ARBS/A-4M Aircraft Wir
20、e List 3366000-350 ARBS Electrical Interface Data 3366000-500 Installation Control - Digital Computer Unit, Revision D 3366011-500 Installation Control - Computer Interface Unit International Business Machines Corporation (Code Ident 03640) SPECIFICATIONS 6009484 Specification for Double Sides and M
21、ultilayer, Plated Through Hole, Printed Wiring Boards, May 1973 2.2.1 Availability of Non-Government Documents. Non-Government documents may be obtained from the following sources: (1) Technical society and technical association specifications are generally available for reference from libraries. ar
22、e also distributed among technical groups and using Federal agencies. They (2) Requests for copies of Hughes Aircraft Company and International Business Machines Corporation documents should be addressed to the contracting officer. 3. REQUIREMENTS 3.1 Preproduction. This specification makes provisio
23、n for preproduction testing . -4- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-85057 22 W 7779906 043395b 8 M a r. 0 3.2 Parts and Materials. In the selection of parts and materials, fulfillment of major design objectives shall be the prime
24、consideration. In so doing, the following shall govern: Microelectronic technology shall be considered and microelectronic items shall conform to requirements specified herein. Other parts and materials requirements shall conform to Specification MIL-E-5400. Nonrepairable subassemblies shall be used
25、 in accordance with Specification AR-10 and as outlined in Specification MIL-E-5400. When previously produced models of this equipment did not use nonrepairable subassemblies, the design shall not be changed to employ nonrepairable assemblies without the approval of the procuring activity, Transisto
26、rs and diodes shall be chosen and applied as outlined in MIL-STD-454, Requirement 30, except JAN TX grade shall be used. 3.2.1 Nonstandard Parts and Materials Approval . Approval for the use of nonstandard parts and materials (including electron tubes, transistors and diodes) other than microelectro
27、nic devices shall be obtained as outlined in Specification MIL-E-5400. 3.2.2 Microelectronic Modular Assemblies. When used, Microelectronic Modular Assemblies shall meet the requirements of Specification AR-5. Conformal coatings, encapsulants, embedments or potting materials used with modular assemb
28、lies containing integrated circuits and discrete parts shall be easily removable without damage to the assembly. 3.3 Design and Construction. The equipment shall conform with all the applicable requirements of Specification MIL-E-5400 for design, construction and workmanship, except as otherwise spe
29、cified herein. 3.3.1 Total Weight and Dimension. The total weight of the equipment, excluding cables, shall be a minimum consistent with good design and shall not exceed 46.5 pounds. The dimensions of the digital computer (DC) and computer converter-interface unit (CIU) shall be as specified on the
30、following drawings : (1) DC: 3366010-500 (2) CIU: 336611-500 3.3.2 Reliability. The contractor shall conduct a reliability program using MIL-STD-785. -5- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-U-5057 12 W 777770b 0433757 T U z MIL-W-8505
31、7 (AS) 3.3.2.1 Operational Stability. The equipment shall operate with satisfactory performance, continuously or intermittently for a period of 1800 hours without the necessity for readjustment of any controls which are inaccessible to the operator during normal use. 3.3.2.2 Operating Life. The equi
32、pment shall have a total operating life of 10,000 hours with reasonable servicing and replacement of parts. 3.3.2.3 Reliability in Mean Time Between Failure (MTBF). The equipment including any Built-In-Test provisions, shall have a specif ied(eg:MTBF of 1800 hours when tested and accepted as outline
33、d under the requirements of 4.3.2. The minimum acceptablejI3,LMTBF shall be 900 hours. 3.3.2.4 Calendar Life Limit. The contractor shall identify all items that change significantly with age .(have a calendar life limit that would fall within a 10-year period) and whose change would degrade the reli
34、ability of the equipment. This effort shall be coordinated with the limited life/age environment control requirement as specified in the contractors quality program. 3.3.2.5 Failure Classification. Classification of failures shall be in accordance with MIL-STD-781 and MIL-STD-2074, 3.3.2.5.1 Failure
35、 Definition. A failure is defined as follows: a. b. Any unplanned maintenance, adjustment, or alignment Failure to provide the performance specified in 3.4. which is inaccessible to the operator. c. Excessive wear or damage of mechanical components in accordance with the contract requirements. 3.3.2
36、.5.2 Failure Reporting. The contractors failure reporting, analysis and corrective action system shall apply to failures experienced on each subassembly and end-item during tests performed in accordance with approved test procedures. Failure analysis and corrective actions shall be inclded in the co
37、ntractors failure reports and shall be submitted to the procuring activity in accordance with the contract requirements. 3.3.2.5.3 Failure Analysis. The contractor shall perform failure analysis on all failures reported to the procuring activity to the in-depth level required to define the failure m
38、echanism and to develop corrective actions to limit their recurrence. a physics of failure analysis on electrical parts. The analysis of parts shall typically include electrical failure verification, dissection, microphotography, and adequate chemical and metallurgical analysis to define the failure
39、 mechanism (e.g., most fundamental cause; metallization corrosion). Records of failure analysis, including causes and effects, In general, the analysis shall include -6- 1 . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-P F MIL-W- 85 05 7 (AS ) sha
40、ll be maintained by the contractor with data feedback to reliability and related design analysis functions. 3.3.2.5.4 Corrective Action. The contractor, in conjunction with failure analysis, shall develop and implement effective corrective action to limit recurrence of the failure mechanism and its
41、effects. Corrective action for those failures reported must be approved by the procuring activity. that the contractor has performed the following: Approval of proposed contractor corrective actions requires a. Analytically or by test established the effectiveness of the corrective action to the sat
42、isfaction of the procuring activity. b. A schedule for the introduction of the above corrective action. No individual deliverable articles for which failures are detected in acceptance tests shall be released for delivery to the procuring activity until the failure reporting and corrective action pr
43、ocess has been initiated. 3.3.3 Cabling and Connections. 3.3.3.1 Cables and Connectors. The equipment shall provide for the use of cables and connectors in accordance with Specification MIL-E-5400. 3.3.3.2 Interconnection Cabling. The equipment shall be capable of satisfactory operation using extern
44、al wiring in accordance with the applicable requirements of Specification MIL-W-5088. 3.3.4 Interchangeability. The equipment shall meet the interchange- ability requirements of Specifications MIL-E-5400 and MIL-1-8500, 3.3.5 Interference Control. The generation of radio interference by the equipmen
45、t and the vulnerability of the equipment to radio interference shall meet the requirements of MIL-STD-461, Notice 3. 3.3.6 Maintainability Provisions. The maintenance concept for support of the equipment shall be compatible with the existing ARBS Maintenance Plan, AVMP-184. Maintainability features,
46、 built-in-test features, construction, provisions for test points, and other maintainability parameters specified herein, shall conform to AR-10, with the stated exceptions and clarifications specified herein. shall be established to enforce and report on the maintainability requirements of this spe
47、cification. A maintainability program in accordance with MIL-STD-470 3.3.6.1 Fault Diagnosis. Fault diagnosis at the organizational mainten- ance level shall be accomplished using Built-In-Tests (BIT) and displays. Intermediate level fault diagnosis and BIT shall. be accomplished using ground suppor
48、t equipment designated, designed, and planned for Fleet use, and any combination thereof. - 7- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-85057(AS) 3.3.6.2 Test Points. Test points shallbe provided on the equipment for intermediate and dep
49、ot levels of maintenance. The test points shall be compatible with the Ground Support Equipment (GSE) designated and planned for Fleet use. able, all hardware shall have sufficient exposed or accessible test points to permit use of standard Navy test equipment (oscilloscope, VOM, VTVM, etc.), to permit, in the event of weapon replaceable assembly (WRA)/shop replaceable assembly (SRA) substandard performance, ascertaining to the
