1、MILITARY SPECIFICATION POWER SUPPLY ASSEMBLY, NIXIE This specification is approved for use by the U.S. Army Armament Research and Development Command, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 This specif.ication covers one type of electronic
2、. assembly known as Nixie Power Supply. 2. APPLIC-BLE DOCUMENTS 2.1 The following 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 MILITARY MIL-F-13926 - Fire Control Materiel, G
3、eneral Specification Governing the.Manufacture and Inspection of MIL-P-14232 - Parts, Equipment and Tools for Army Materiel: Packaging and Packing of MIL-1-45607 - Inspection Equipment, Acquisition, Disposition and Maintenance of STANDARDS MIL I TARY MIL-STD-105 - Sampling Procedures and Tables for
4、Inspection by Attributes MIL-STD-109 - Quality Assurance Terms and Definitions MIL-STD-810 - Environmental Test Methods FSC: 1240 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted wit
5、hout license from IHS-,-,-MI L-P- 4 86 O 9 (AR) TABLE I ITEM CONDITION CHARACTERISTICS CONNECTIONS LOADS CONNECTED BETWEEN THE FOLLOW I NG TERMINALS : 1. 1.1 RESISTOR 28 Kilohms - + 1% J1-A and JI-D 2. POWER SOURCE +15 + 1.2 Vdc J1-C (+) and - JI-D (-) 3.3.1.1 Output voltage and ripple.- The output
6、voltage between J1-A(+) and Jl-D(-) shall be 214 4- 36 VDC, and the maximum ripple voltage shall be 15 volts Peak-to-peak when the ower source of Table I, Item 2 is applied with the indicated olarity over the range specified therein. 3.3.1.2 Input current.-The maximum currect supplied to y: terminal
7、 JI-C shall be 260 milli-amperes when the load and power are applied as specified. 3.3.2 Environmental. 3.3.2.1 Storage temperature.-The power supply unit shall meet the requirements of 3.3.1 at ambient temperature (+60O to +90F) after exposure and thermal stabilization at :8O0F and +160F. 3.3.2.2 O
8、perating temperatures.-The power supply unit shall meet the requirements of 3.3.1 while thermally stabilized at -4OOF and +125OF, subsequent to which it shall meet the above requixements at ambient temperature (+SOOF to +90F). 3 Provided by IHSNot for ResaleNo reproduction or networking permitted wi
9、thout license from IHS-,-,-3.3.2.3 Vibration.-The power supply unit shall show no physical failure and shall meet the requirements of 3.3.1 after being exposed to the following vibratory conditions: (a) Double 0.5 inch maximum (b) Acceleration 4g maximum (c) Crossover 12.5 Hertz (Hz) (d) Sweep time
10、Amp1 i tude frequency 5 to 500 to 5 Hz in 15 minutes. Two sweeps in each of the three mutually perpendicular axes. 3.3.2.4 Shock,-The power supply unit shall meet the requirements of 3.3.1 after being exposed to a total of six shock impulses, one in each direction of the three mutually perpendicular
11、 axes. Each shock impulse shall be a sawtooth with a time duration of six milliseconds. shall be 1OOg. technical provisions for first article inspection. for the submission of first article samples by the contractor shall be as specified in the contract. workmanship requirements of MIL-F-13926 and a
12、pplicable specifications as cited on Drawing 11750377. The peak amplitude 3.4 First Article Inspection.-This specification contains Requirements 3.5 Workmanship.-The power supply unit shall meet the 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection.-Unless otherwise specified in the
13、contract or purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein. contract or order, the supplier may utilize his own or any other facilities suitable for the perf.ormance of the inspection requirements specified herein, unless disapprove
14、d by the Government, In addition, the Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. 4.1.1 inspection requirements of MIL-F-13926 form a par
15、t of the quality assurance provisions of this specification. Definitions of inspection terms shall be as listed in Except as other wise specified in the General provisions.-The component and subassembly MIL-STD-109. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without licen
16、se from IHS-,-,-flIL-P-b07 12 3777706 0322239 h = inspection shall be conducted on this item: a. First Article Inspection b. Quality Conformance Inpsection 4.3.1 Submission.-The contractor shall submit a first : article sample as designated by the contracting officer for otherwise specified, the sam
17、ple for first article approval tests shall consist of three power supplies plus three each of all components and subassemblies. I specified in Tables II, III and IV herein. The Government components and subassemblies to any or all of the examinations and tests specified herein and to any or all requ
18、irements of the applicable drawings. 4.3.3 Rejection.-If any assembly, component or subassembly fails to comply with any of the applicable requirements, the first article sample shall be rejected, reserves the right to terminate its inspection upon any failure of an assembly, component, or subassemb
19、ly in the sample to comply with any of the stated requirements. 4.4 Quality Conformance Inspection I The Government by the contracting officer, inspection lot size, lot formation and presentation of lots shall be inaccordance with “Submission of Product“ provisions of MIL-STD-105. Classification of
20、Defects shall be performed on inspection lots as defined in 4.4.1 of this specification. 4.4.2 Examination.-The examinations listed herein for I inspection pravisions contained an Supplementary Quality Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
21、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-48609 (AR) TABLE III - NO. CHARACTERISTIC REQUIREMENT TEST PROCEDURES 301 Fabrication 3.1 Applicable drawings Visual 302 General. Specification 3.2 MIL-F-13926 4.5.2 Environmental.-Three power sup
22、ply units shall be selected at random as samples from each 50 produced or from each months production, whichever occurs first. shall meet the requirements and tests in Table IV. and shall then meet the requirements and tests in Table II. The samples TABLE IV NO. - CHARACTERISTIC REQUIREMENT TEST PRO
23、CEDURES 303 Storage temperature 3.3.2.1 4.6.4.1 304 Operating temperature 3.3.2.2 4.6.4.1 305 Vibration 3.3.2.3 4.6.4.2 Shock 3.3.2.4 4.6.4.3 sampling fa-ecified test requirements, 4.5.3 Failure of sample.-Should any one item of a special acceptance of the product shall be suspended by the Governmen
24、t until necessary corrections have been made by the contractor and the resubmitted item has been approved (see 4.4.3). 4.5.4 Inspection Equipment.-Requirements for inspection equipment to perform examinations and tests are specified herein and in specific contract clauses as applicable. See Section
25、6 of this specification for general provisions applicable to inspection equipment designs. 4.5.5 Government furnished inspection equipment.-Where the contract provides for Government furnished test eauiDment. a& supply and maintenance of test equipment shall be in accordance with the applicable requ
26、irements specified in MIL-1-45607. 4.5.6 Contractor furnished inspection equipment 4.5.6.1 Test equipment.-In conjunction with 4.5.6, the standard test equipment listed in Table V shall be utilized in. performing the applicable tests of 4.6. 7 Provided by IHSNot for ResaleNo reproduction or networki
27、ng permitted without license from IHS-,-,-MI L-P-486 O 9 (AR) TABLE V NOMENCLATURE DESCRIPTION 1. DC Power Supply 2. DC voltmeter Plus 15+ - 1.2 V Ripple: 50 MV pp Max Range: O to 300 Vdc Accuracy: - + 1% 3. DC Milliammeter Range: O to 500 ma Accuracy: - + 5% 4.6 Methods of inspection 4.6.1 Test con
28、ditions.-Unless otherwise specified, the test conditions shall be in accordance with the “General Requirements“ of MIL-STD-810. 4.6.2 Output voltage and ripple.-Apply the voltage specified in 3.3.1.1, observe and measure the output voltage and ripple voltage present between pins “A“ and IiDql of con
29、nector 11728953. The output shall be as specified in 3.3.1.1. 4.6.3 Input current.-Apply the voltage specified in 3.3.1.1, observe and measure the input current. current shall be as specified in 3.3.1.2. The input 4.6.4 Environmental 4.6.4.1 Storage and operating temperatures.-The power supply shall
30、 be temperature tested in accordance with Test Method 501.1, Procedure I and Test Method 502.1, Procedure I of MIL-STD-810 except, the power supply shall be exposed to the storage temperatures of + 160oF and -800F for a minimum of 5 hours. In addition, the following conditions shall also apply: a. D
31、uring thermal stabilization at -4OOF and +125OF operational temperatures, the power supply shall be energized and subjected to the tests of 4.6.2 and 4.6.3. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-4 8 6 O9 (AR) The power supply shall co
32、nform to the requirements of 3.3.2.1 and 3.3.2.2. 4.6.4.2 Vibration.-With the power supply firmly mounted to the vibration table, perform the following: a. Test in acordance with Method 514.2, Procedure VI11 of MIL-STD-810 for category (f) equipment, (Tracked Vehicles), except the vibratory conditio
33、ns of 3.3.2.3 shall apply b. Sweep the frequency from 5 to 500 Hz and back to 5 Hz in a period of 15 minutes. the three mutually perpendicular axes. Perform two sweeps in each of c. Following vibration cycling, examine the power supply for structural failures, loose hardware, wire breakage, and abra
34、sion. d. Place the power supply in operation and perform the tests specified in 4.6.2 and 4.6.3. he power supply shall meet the requirements of 3.3.2.3. a 4.6.4.3 Shock.-With the power supply unit rigidly mounted Test in accordance with Method 516.2, Procedure I, to the shock machine table, perform
35、the following: of MIL-STD-810, except that the power supply unit shall be subjected to one shock in each direction of the three mutual perpendicular axes and the* shock impulse shall be a sawtooth with a duration of six milliseconds and a peak amplitude of POOg. a. b. After exposure to shock, perfor
36、m a visual-tactile examination for damage and loose parts, e. Place the power supply unit in operation and perform the.test specified in 4.6.2 and 4.6.3. The power supply unit shall meet the requirements of 3.3.2.4. 5. PACKAGING 5.1 Packaging, packing and marking.-Packaging, packing and Thelevel of
37、protection shall be as specified in the marking shall be in accordance with Packaging Data Sheet 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-6.3.3
38、 Submission of designs for approval.-Contractor designs shall be approved by the Government prior to fabricating or procuring the equipment. Partial submission of inspection equipment designs is permissible and encouraged. However, the completion date for design review will be based on the date of .
39、 the final submission of designs and the required delivery schedule as stipulated in the contract. Submit designs as required to Commander, US Army Armament Research and Development Command, ATTN: DRDAR-QAF-I, Dover, N.J. 07801. When the contractor submits inspection equipment designs to,. the Gover
40、nment for approval he shall give the following information in his letter of transmittal: a. The contr-act number. b. The contract item (name, model number, etc.) c. The designs remaining to be submitted and the expected date of submittal. 6.4 Drawings.-Drawings listed in Section 2 of this specificat
41、ion under the heading US Army Armament Research and Development Command (ARRADCOM) may also include drawings prepared by, and identified as Edgewood Arsenal, Frankford Arsenal, Rock Island Arsenal or Picatinny Arsenal drawings. Technical data originally prepared by these activities is now under the cognizance of ARRADCOM. Custodian: Army - AR Preparing Activity: Army - AR Project No. 1240-A695 * U.S. GOVERNMENT PRINTING OFFICE: 1979-609-022/1299 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
