1、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-(4) When previously produced models of this equipment did not use non- repairable subassemblies, the design shall not be changed to employ nonrepairable assemblies without the approval of the procuring
2、activity. 3.2.1 Nonstandard Parts and Materials Approval - Approval for the use of fianstandard parts and materials (including transistors and diodes) shall be obtained as outlined in Specification MIL-E-5400. 3.2.2 Microelectronic Modular Assemblies - When used, Microelectronic Modular Assemblies s
3、hall be described by a contractor procurement specification and must be approved by the procuring agency. Microelectronic Modular Assemblies (Microelec- tronic Circuits) (MICS) shall be contained within Maintenance Modules (for example, on printed circuit cards). The choice of Microelectronic Modula
4、r Assemblies shall be based on at least two sources of supply, which can be used interchangeably, 3.2.3 Modules, Maintenance - The electronic portions of the equipment shall be divided into maintenance modules (see Specification MIL-S-23603). Maintenance modules shall normally be considered repairab
5、le. 3.2.4 Microelectronic inter changeability - Microelectronic circuits (MICS) shall be interchangeable at the MIC level, or at the Maintenance module level whenapproved by the procuring activity (see 6.13). 3.3 Design and Construction - The equipment shall conform with all the applicable requireme
6、nts of Specification MIL-E-5400 for design, construction and workman- ship, except as otherwise specified herein. 3.3.1 Reliability - 3.3.1.1 CQerational Stability - The equipment shall operate with satisfactory performance, continuously or intermittently for a period of at least 1, O00 hours withou
7、t the necessity for readjustment of any controls which are inaccessiblelo the operator during normal use. 3.3.1.2 Operating Life - The equipment shall have totd operating life of 10,000 hours with reasonable servicing and replacement of parts, Parts requiring scheduled re- placement shall be specifi
8、ed by the contractor. 3,.3.J. 3 Reliability in Mean Time Between Failure (MTBFL - The equipment shall hav$ 2,000hours of mean (operating) time between failures when tested and accepted as outline under the requirements of 4.4.3. 3.3.3 Cabling and Connections - 3.3.3.1 Cables and Connectors - The equ
9、ipment shall provide for the use of cables and connectors in accordance with Specification MIL-E-5400, 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-HIL-P-1361 12 M 7779706 0357172 7 m MIL-P-81361(AS) 3.3.4 Interchangeability of Reordered Equipme
10、nt - For reordered equipment, interchangeability shall exist between uniti% and dl replaceable assemblies, subassemblies, and parts of a designated model of any previously manufactured equipment, supplied or designated by the procuring activity. 3.3.5 interference Control - The generation of radio i
11、nterference by the equip- ment and the vulnerability of the equipment to radio interference shall be controlled within the limits of Specification MIL-1-6181. 3.3.6 Maintenance Provisions and Field Testing - Provisions for maintenance shall be as specified in Specification MIL-E-5400. Specific test
12、points and test facilities shall be provided to the greatest extent practicable for ease ob field testing and maintenance. 3.3.7 Nomenclature and Nameplates - Nomenclature assignment and name- plate approval for equipment identification shall be in accordance with Specification MIL-N-18307. 3.3.8 no
13、rmal performance characteristics under standard conditions and for making laboratory bench tests. Standard Conditions - The following conditions shall be used to establish Temperature Room ambient (25 a5 OC) Altitude Normal ground Vibration None Humidity Room ambient up to 90% relative humidity Inpu
14、t power voltage 115 4.11 Programmer Reset - The programmer shall be reset by opening switch as identified in figure 1, The programmer can also be reset by grounding pin T of plug 255. 3.5 Detailed Requirements - 3e5.1 Programmer, Aircraft Weapons Release Set MX-7016 (*)/AWE-1 - The programmer shall
15、meet the following requirements: 3.5.1.1 Function - The Programmer is the unit of the system that contains all the electronic equipment to perform the releasing requirements of this specification under command from the weapon release switch, control and the stores information that may be available f
16、rom the aircraft weapon stations. Its package size shall enable it to operate from one to nine stores racks. This is accomplished by the proper addition of logic modules to the basic package. These logic modules are supplied as part of the system dependent,on the number of stations required to be se
17、rved. 3.5.1.2 Form Factor - The programmer shall conform to the dimensions and requirements shown in figure 2. 3e5.1.3 Weight - The weight of the basic one-station (center) programmer shall not exceed 8.4 pounds. 3.5.1.4 Contents - The programmer shall be composed of the following: (1) Logic Power S
18、upply - The logic power supply shall be operated from the aircraft 115-v, 400-Iiz or 28-vdc line. Its output shall provide all logic level voltages required by the system. (2) Station Transfer Logic - If the selected number of stores to be released exceeds the capacity of the highest priority statio
19、n or pair of stations selected, the system shall automatically change to the next lower priority ,ctation(s) selected and continue releasing stores until the select number of stores have been released. The stores transfer information shall be obtained from inputs as follows: (This equipment shall va
20、ry as dependent on 3.5.1.1). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-81361(AS) (a) Multiple Stores (2 Through 6 Rounds) - The system shall receive an identification signai (a ground) when a rack with multiple stores (2 through 6 rounds)
21、 is being carried, Each weapon station will have its own Individual line to the system in order to provide these signals. The removal of this ground, after it has been initially received, shall cause the system to change station as required by 3.5,1.4(2). (b) Fire Pulse Counters - The system shall p
22、rovide a fire pulse counter for each weapon station, If a rack is providing a multi- ple store (2 through 6 rounds) ground signal and the removal of this signal is not received by the time 6 fire pulses are counted, the fire pulse counter itself shall generate the station transfer signal, thereby ca
23、using the system to change stations to the next lowest priority station (s) selected. (c) Multiple Stores (7 or More Roundsl - The system shall receive an identification signal (a ground) when a rack with multiple etores (7 or more rounds) is being carried. Each weapon station will have its own indi
24、vidual line to the system in order to provide these signals. The removal of this ground, after it is initially received, shall cause the programmer, to change stations as required by 3.5.1.4 (2). The presence of this sig- nal shall cause the disabling of the associated fire pulse counter circuit des
25、cribed in 3.5.1.4 (2) (b), (d) Single Store - If both the signals or3.5,1.4. (2) (a) and 3.5.1.4 (2) (c) are initially missing, the system shall assume a single store and, if required by the quantity select control, shall change stations 88 required by 3.5.1,4 (2). * (3j Output Drivers - A driver is
26、 provided for each station to provide output current as specified in 3.4.7. (4) Quantity Select Logic - This logic allows only the amount of ripple output pulses as specified in 3.4.3. 3.5.1.6 Controls - The programmer shall have no direct control. 3.5. l. 6 Electrical Connections - Connections to e
27、xternal circuits shall be pro- vided as indicated in Figure 1. 3.6.2 Assembly, Left-Right Station 65A132F5 - The left-right station assembly shall meet the .following requirements and those of MIL-t3 gs The equipment shall be vibrated (without vibration isolators) for a period of 10 minutes prior to
28、 the beginning of the 6-hour period of operation, Where feasible, the equipment shall be operated during this vibration period for the purpose of detecting flaws and imperfect workmanship. Operation within the specified limits of satisfactory performance is not necessarily required during the vibrat
29、ion period, The direction of vibartion should be verti- cal to thenormal mountingplane for 5 minutes and lateral to the plane for 5 mjnutes. Where it is not feasible to vibrate the equipment in 2 directions, the vertical direction shall be used. During the 6-hour period of operation following the 10
30、-minute vibration period, the equipment shall be mechanically cycled periodically through its various phases of operation. Should a failure occur, it should be repaired and the test started over, except that the 10-minute vibration period need not be repeated when it is certain the failure was not a
31、 result of the vibration. Should repetitive failures occur, corrective action shall be taken to 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-8 136 1 (AS) eliminate this defect from future equipment. A record shall be kept of all failures.
32、 The 6-hour period specified above may be composed of two 3-hour periods to conform with standard working hours. 4.4. 2 Sampling Tests - Equipments selected for sampling tests shall first have passed the individual tests, Equipments shall be selected for sampling tests by the govern- ment inspector
33、in accordance with the following: (Sampling tests shall not be conducted un- less reliability assurance tests of 4.4.3 are deleted by contractual action. ) Quantity of Equipments Offered for Accertance Quantity to be Selected For Samdine: Test First 10 Next 50 Next 75 Next 100 O* 1 1 1 1 for each ad
34、ditional 200 or fraction thereof *NOTE: If by contract action the initial production test (4.3) is deleted, then a sample test shall be conducted on one equipment from the first 10 produced. 4.4.2.1 Scope of Tests - As a minimum, each equipment selected for sampling tests shall be subjected to the f
35、ollowing tests: (1) Complete operational test at ambient room conditions, making all necessary measurements to assure that all applicable specification requirements have been met. (2) Operational test at certain environmental conditions. The conditions may vary for each equipment tested and should b
36、e based on results of the preproduction, initial production, individual and special tests. (3) Manufacturing run in test specified in 4.4.1.3 except that the test duration shall be 120 hours with no restriction on the number of failures. However, each failure shall be analyzed as to cause and remedi
37、al action necessary to reduce the possibility of its recurrence in future equipment. 4.4.3 Reliability Assurance Tests - Reliability assurance tests shall be con- ducted as required by MIL-STS781. Equipments selected for reliability assurance tests shall first have passed the individual tests. 4.4.3
38、.1 , Test Level - The test level shall be F from Table I of MIGSTD-781. 4.4-3.2 Accept-Reject Criteria - Test plan V of MIL-STD-781 shall be used to determine the accept-reject criteria for the reliability qualification test plan. Test plan VI of MIGSTD-781 shall be used to determine the accept-reje
39、ct criteria for the reliability sampling test plan. - 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-L36L 22 W 7777706 0357LL T 4.4.3.3 Length of Heat Portion of Cycle - After stabilization at the high tempera- ture limit required by the te
40、st level, the equipment shall be operated 2 hours during each cycle. 4.4.3.4 Performance Characteristics to be Measured - The performance charm- teristics to be measured shall be as specified in 6.10. 4.4.3*5 Failure Criteria - In addition to the requirements of MIL-STD-781, the following requiremen
41、ts shall be used to determine when a failure has occurred during the test: (1) Whenever performance characteris tics fall below the acceptance requirement (4.4.3.4) at least one failure has occurred. If subse- quent analysis reveals that several parts have deteriorated, each , shall be counted a fai
42、lure, unless one caused the other parts to fail. 4.4.3.6 Preventive Maintenance - During the period of the tests no preventive maintenance measures are required. 4.4.4 Swcial Tests - Special tests shall be conducted on a quantity of equip- ments for the purpose of checking the effect of any design o
43、r material change on the per- formance of the equipment and to assure adequate quality control. The equipment selected for special testa may be selected from equipments previously subjected to the sampling or reliability assurance tests. 4.4.4,l Special Test Schedule - Selection of equipments for sp
44、ecial tests shall be made as follows: o (1) On an early equipment after an engineering or material change. (2) Whenever failure reports or other information indicate additional tests are required. (This will be determined by the procuring activity. ) 4.4.4.2 Scope of Testa - Special tests shall cons
45、ist of such tests as approved by the procuring activity. Test procedures previously approved for the preproduction tests shall be used where applicable. When not applicable, the contractor shall prepare a test procedure and submit it to the procuring activity for approval prior to conducting the tes
46、ts. 4.4.5 Equipment Failure - Should a failure occur during either the sampling, reliability assurance or special tests, the following action shall be taken: (1) Determine the cause of failure. (2) Determine if the failure is an isolated case or deem defect. (3) Submit to the procuring activity for
47、approval, proposed corrective action intended to reduce the possibility of the same failure(s) occur- ring in future tests. 12 ,-, Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-81361 (AS) 1 (4) Where practical, include a test in the individua
48、 test to check all equipment for this requirement until reaaonabie assurance is ob- tained that the defect has been satisfactorily corrected. 4.5 Life Test - The contractor shall furnish all samples and shall be respon- sible for accomplishing the life test. The test shall be of 300-hours duration a
49、nd shall be conducted on equipments that have passed the individual test. The life test shall be per- formed under the conditions specified in 4.5. l. The life test sample shall be selected by the government inspector in accordance with the following. fully passed the initial production test, sampling tests, reliability tests, or special tests may be selected for life tests,) When reliability tests are conducted, the life test may be omitted if, during the rel
