1、MIL-F-5L536 42 - 7777706 0235372 6 W E -I I- 2 June 1988 SUPERSEDING (See section 6) MITdITA12Y SPECIFICATION FILTER UNIT, GAS-PARTICULATE, 200 CFM, 208V, 400 HZ, M56 This specification is approved for use within the U.S. Army Chemical Research, Development and Engineering Center, Department of the
2、Army, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers one type of gas particulate filter unit capable of delivering filtered air at a rate of 200 cubic feet per minute (cfm) (see 6.1). 2. APPLICABLE DOCUMENTS 2.1 Go
3、vernment documents. 2.1.1 Specifications, standards, and handbooks. The following specifica- tions, standards, and handbooks form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Departmen
4、t of Defense Index of Speci- fications an Standards (DODISS) and supplement thereto, cited in the solicita- tion. SPECIFICATIONS FEDERAL L-P-3 78 - Plastic Sheet and Strip, Thin Gauge, Polyolefin. FF-N-105 - Nails, Brads, Staples and Spikes: Wire, Cut and Wrought. PPP-B-587 - Boxes, Wood, Wirebound
5、Pallet Type. PPP-B-621 - Boxes, Wood, Nailed and Lock-Corner. PPP-B-636 - Boxes, Shipping, Fiberboard. PPP-C-843 - Cushioning Material, Cellulosic. : Beneficial comments (recommendations, additions, deletions) and any perti- : : nent data which may be of use in improving this document should be addr
6、essed: : to: Commander, U.S. Amy Chemical Research, Development and Engineering : : Center, ATTN: SMCCR-SPT-S, Aberdeen Proving Ground, MD 21010-5423 by using: : the self-addressed Standardization Document Improvement Proposal (DD Form : : 1426) appearing at the end of this document-or by letter. AM
7、SC N/A FSC 4240 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. L .,- THIS DOCUMENT CONTAINS I) PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-5L536 42 M 9499906 0235393 W PPP-C-1797 - Cushioning Materi
8、al, Resilient, Low Density, Unicellular, PPP-T-60 - Tape: Packaging, Waterproof. PPP-T-76 - Tape, Packaging, Paper (For Carton Sealing). PPP-T-97 - Tape, PackaginglIndustrial, Filament Reinforced. Polypropylene Foam. MILITARY MILIP-116 - Preservation, Methods of . MIL-B-117 - Bags, Sleeves and Tubin
9、g - Interior Packaging. MIL-F-51527 - Filter Set, Gas and Particulate. STANDARDS FEDERAL Fed. Std. No. 123 - Marking for Shipment (Civil Agencies). MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by MIL-STD-129 - Marking for Shipment and Storage. MIL-STD-781 - Reliability Testin
10、g for Engineering Development, Attributes. Qualification, and Production. HANDBOOKS MILITARY MIL-HDBK-781 - Reliability Test Methods, Plans, and Environments for Engineering Development, Qualification, and Produc- tion. 2.1.2 Drawings. The following drawings form a part of this specificaton to the e
11、xtent specified herein. those in effect on the date of the solicitation. Unless otherwise specified, the issues shail be DRAWINGS UmS. ARMY ARMAMENT, MUNITIONS AND CHEMICAL COMMAND CHEMICAL RESEARCH, DEVELOPMENT AND ENGINEERING CENTER 5-19-6402 - Filter Unit, Gas-Particulate, 200 CFM, 208V, 400 HZ,
12、5-19-6666 - Packing, Filter Unit, M56. 5-19-6417 - Container Marking, 1, 2 and 3 Filter Unit. M56 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-5153b L12 7777906 023537L1 T W (Copies of specifications, standards, handbooks, and drawings req
13、uired by con- tractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting activity.) 2.2 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein (except fo
14、r associated detail specifications, specification sheets, or MS standards), the text of this specification shall take precedence. Nothing in this specification, however, shall supersede applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Materials and c
15、omponents. 3.1.1 Materials. All materials cited on Drawing 5-19-6402 and subsidiary drawings shall conform to the specifications listed thereon, and to the speci- fic characteristics set forth on the drawings. 3.1.2 Components. All components of the filter unit shall conform to the specifications an
16、d drawings listed on Drawing 5-19-6402 and subsidiary draw- ings. 3.2 Manufacture and assembly. The filter unit shall be manufactured and assembled in accordance with Drawing 5-19-6402. .3.3 Performance. 3.3.1 Cycling burn-in. The filter unit shall be cycled for a period of 3 hours during which time
17、 the airflow valve shall drive alternately to the fully open and then to the fully closed position (see 6.4) at a rate of 3 times per minute in response to an air pressure differential of 25 inches water gage (iwg) when tested in accordance with 4.4.4.2. 3.3.2 Operational characteristics. Prior to a
18、nd after completion of the cycling burn-in, the filter unit shall meet the following operational char- acteristics: 3.3.2.1 Airflow valve closing. The airflow valve shall start to drive closed between 1.2 and 1.7 iwg when tested in accordance with 4.4.4.3(b). 3.3.2.2 Airflow valve opening. The airfl
19、ow valve shall start to drive open between 1.2 and 1.7 iwg when tested in accordance with 4.4.4.3(c). 3.3.2.3 Warning horn and MASK indicator. The warning horn shall sound and the MASK indicator shall flash between 0.85 and 1.10 iwg when tested in accord- ance with 4.4.4.3(c) and 4.4.4.3(d). 3- - Pr
20、ovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-51536 Li;! W 9979906 0235395 I m MIL-F-5 1536( EA) J1 3.3.2.4 Fan assembly rotational speed. The fan assembly impeller rotational speed shall be a minimum of 11,000 revolutions per minute when teste
21、d in accord- ance with 4.4.4.3(e). 3.4 Reliability. Prior to the start of regular production, a preproduction sample o 10 filter units shall be produced in accordance vith this specifica- tion for examination and test as follows: 3.4.1 Preproduction reliability qualification test. A sample of 4 filt
22、er units shall be randomly selected from the preproduction sample and tested in accordance with Task 302 of MIL-STD-781 and test plan IV-D of MIL-HDBK-781. The lower test mean-time-between-failure (01) shall be 467 hours and the upper test mean-time-between-failure (00) shall be 934 hours. units sha
23、ll be operated continuously in the configuration specified in 4.4.4.1 and 4.4.4.2 without temperature, vibration, or input voltage cycling. An accountable failure shall be defined as any deviation from the requirements specified in 3.3.2. The sample filter 3.5 Workmanship. The filter units shall be
24、free from cracked, bent or dented metal sections, and foreign matter (dirt, oil, or viscous materials). 40 QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the con- tract or purchase order, the contractor is responsible for the performance of a21 inspecti
25、on requirements as specified herein. Except as otherwise specified in tlie contract or purchase order, the contractor may use his own or any other Eacilities suitable for the performance of the inspection requirements speci- fied lierein, unless disapproved by the Government. The Government reserves
26、 the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to insure that supplies and services con- orm to prescribed requirements. 4.1.1 Responsibility for compliance. All items must meet all requirements of sections 3 and 5. The inspect
27、ion set forth in this specification shall become a part of the contractors overall inspection system or quality pr.ogram. The absence of any inspection requirements in the specification shall not relieve tlie contractor of the responsibility of assuring that all products or supplies submitted to the
28、 Government for acceptance comply with all require- ments of the contract, Sampling in quality conformance does not authorize sub- mission of known defective material, either indicated or actual, nor does it commit the Government to acceptance of defective material. 4.1.2 Objective evidence. The con
29、tractor shall provide objective evidence acceptable to tlie contracting officer that the requirements of 3.1 and section 5 for which specific inspection has not been provided in this specification have been satisfied. Provided by IHSNot for ResaleNo reproduction or networking permitted without licen
30、se from IHS-,-,-MIL-F-51536 q2 7777706 023537b 3 M 4.2 Classification of inspections. The inspection requirements specified herein are classified as follows: (a) Preproduction ins.pection (4.3). (b) Quality conformance inspection (4.4). 4.3 Preproduction inspection. 4.3.1 Lotting. A preproduction lo
31、t of 10 filter units shall be produced using the same methods, materials, equipment, and processes as will be used during regular production. covered by 4.4. This requirement encompasses all test procedures 4.3.2 Sampling. 4.3.2.1 Examination. Three filter units shall be selected for examination. 4.
32、3.2.2 Reliability. Four filter units shall be randomly selected for the preproduction reliability qualification test. 4.3.3 Inspection procedures. 4.3.3.1 Examination. As determined by the Government, the-preproduction assemblies, components, and test specimens may be subjected to any or all of the
33、examinations and tests specified in this detail specification and be inspected for compliance with any oy all requirements of the applicable draw- ings. 4.3.3.2 Reliability. Upon completion of 4.4.3.2, the four filter units selected for the preproduction reliability qualification test shall be teste
34、d continuously in the configuration specified in 4.4.4.1 and 4.444.2. pletion of the reliability test, the units shall be tested in accordance with 4.4.4.3. Upon com- 4.3.4 Rejection. 4.3.4.1 Examination. If any assembly, component, or test specimen fails to comply with any of the applicable require
35、ments, the preproduction sample shall be rejected. The Government reserves the right to terminate inspection upon any failure of any.assembly, component, or test specimen to comply with any of the requirements. 4.3.4.2 Reliability. When tested in accordance with 4.3.3.2, the preproduc- tion reliabil
36、ity qualification sample shall meet the requirements of 3.4.1 and the criteria of test plan IV-D of MIL-HDBK-781 to be acceptable. 4.4 Quality conformance inspection. 4.4.1 Lotting. A lot shall consist of the filter units produced by one manu- facturer, from the same materials, at the same location,
37、 under essentially the same manufacturing conditions, and at essentially the same time. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-5L53b Y2 W 444490b 0235347 5 W 4.4.2 Sampling. 4.4.2.1 For examination. Sampling for examination shall be
38、conducted in accordance with MIL-STD-105. 4.4.2.2 For test. Each filter unit shall be tested in accordance with 44.4. 4.4.3 Inspection procedure. 4.4.3.1 For examination. Sample filter units shall be examined in accor- dance with the classification of defects (4.4.3.3) and MIL-STD-105. 4.4.3.2 For t
39、est. Each unit shall be tested for cycling burn-in and opera- tional Characteristics using the procedures set forth in 4.4.4. fails to meet the requirements for the cycling burn-in (3.3.1) or any of the operational characteristics (3.3.2) shall be rejected. Any unit which 4.4.3.3 Classification of d
40、efects. (a) Filter unit, gas particulate, 200 CFM, 208V, 400 HZ, M56 (Drawing 5-19-6402). Categories Defects Critical : None defined Major: AQL 1.0 percent defective 101 102 Cable damaged 103 104 Gaskets damaged 105 Workmanship (3.5) Component missing, incorrect or incorrectly assembled Colored dots
41、 missing or incorrect (b) Packaging (section 5). Categories Defects Critical: None defined Major: AQL 2.5 percent defective 101 Cleaning incorrect 102 Unit packing incorrect 103 Packing incorrect 104 Marking missing or incorrect 4.4.4 Tests. Cycling burn-in and operational characteristics tests shal
42、l be conducted as follows: 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-51536 42 W 7777706 0235378 7 W 4.4.4.1 Preparation for tests. To conduct the following test procedures, a framework of wood (or other -suitable material) shall be fabr
43、icated to simulate placement of the filters within the filter unit housing. With the framework so eniplaced, care should be taken to ensure that the bolts on the outer access cover and the spring loaded retaining bolt on the yoke are not overtorqued such that component damage results. prevail during
44、 performance of the preproduction reliability qualification and cycling burn-in tests: The following environmental conditions shall Temperature: 30-85F (see note) Humidity: less than or equal to 50% RH Pressure: ambient NOTE: temperature cycling. ambient conditions (such as day/night changes) are un
45、intended and will not invalidate the preproduction reliability qualification or cycling burn-in tests. The temperature cycling restriction imposed by 3.4.1 refers to intended Temperature changes resulting from natural alterations in A written log specifying temperature, humidity, pressure, and opera
46、tion of each filter unit shall be maintained during the preproduction reliability test. The frequency of data entries in this log shall be at least one during every 24 hours of operation. 4.4.4.2 Cycling burn-in. Test the disassembled filter unit less gas and particulate filters, but with components
47、 electrically interconnected, for the specified time as follows: (a) Connect the filter unit to a source of 208V, 400 Hz, 3-phase wye power, and turn the POWER switch to the ON position. (b) Connect the hose fitting on the compartment control module to a The solenoid shall be solenoid actuated vacuu
48、m source of approximately 25 iwg. such that it will alternately apply the 25 - + 2 iwg vacuum source,and ambient pressure to the fitting. (c) Connect the coil of the solenoid to a timer so that the sole- noid will actuate at a rate of 3 times per minute (i time per minute for the preproduction relia
49、bility test, 3 times per minute for the burn-in). Operate the filter unit inthis configuration for the specified time causing the air- flow valve to alternately drive fully open and fully closed in response to the applied pressure signals. 4.4.4.3 Operational characteristics. Prior to and after the cycling burn-in test, the filter unit shall be inspected to assure that it is operating prop- erly and all circuit breakers are set. Then: (a) With the power appl
