1、-. . MIL-D-BL976 59 m 999990b 0078220 2 m MILD-81976 (As) -17 June 1974 MILITARY SPECIFICATION DUMMY LOAD, ELECTRICAL DA-662/UPQ- 5 This specification has been approved by the Naval Air Systems Command, Department of the Navy. 1. SCOPE I, 1 shall be for intermediate (shop) use and shall provide resi
2、stive loading for the operation of Static Fre.quency Converter CV-Z933/UPQ- 5. Scope - The equipment covered by this specification 1.2 Classification - The equipment covered by this specifi- cation s ha 11 cons ist of the following item: Drawing or Model Number Refer ence Nomenclature Paragraph DA-6
3、62/UPQ-5 Dummy Load, Electrical N/A 1.3 Associated Equipment - The equipment shall operate Frequency Counter; H61- 5245L (FSN4G6625- 179-8981) Multimeter VOM, AN/USM-311 (FSNZZ6625- 160- 1301) Os cillos cope, General Purpose, AN/USM- 2 9 6 with the following associated equipment: or AN/USM- 2 8 1A (
4、FSN4G 662 5- 22 8- 2 2 O 1 ) 2. APPLICABLE DOCUMENTS 2. 1 General - The following documents of the issue in effect on the date of invitation for bids or request for proposal, form a part of this specification to the extent specified herein. SPECIFICATIONS Military MIL-E- 17555 Electronic and Electri
5、cal Equipment and Associ- ated Repair Parts, Preparation for Delivery of Test Procedures; Preproduction and Inspection, for Aircraft Electronic Equipment, Format for MIL-T-18303 . MIL-N-18307 Nomenclature and Nameplates for Aeronautical Electronic and Associated Equipment _*- - f- - THIS DOCUMENT CO
6、NTAINS .I3 . PAGES FSC-5985 Y -* Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-8377b 57 7797706 0078223 4 W . . . . .-. - mL-D-81976(AS) MIL-T- 2 1200 STANDARDS Militar y MIL-STD-129 MIL-STD - 4 6 I ! MIL -STD- 7 49 i MIL-STD-794 MS24264 Test
7、 Equipment for Use with Electronic and Elect ri cal Equipment, General Specification for Marking for Shipment and Storage Electromagnetic Interference Characteristics Re qui r ements for Equipment Preparation and Submission of Data for Approval of Nonstandard Electronic Parts Parts and Equipment, Pr
8、ocedures for Packing and Packaging of Connector, Receptacle, Electrical Flange Mount, Miniature Availability of Documents - (1) When requesting specifications, standards, drawings, and publications, refer to.both title and number. of this specification and applicable specifications required by con-
9、tractors in connection with specific procurement functions may be obtained upon application to the Commanding Officer, Naval Publica- tions and Forms Center, 5801 Tabor Avenue, Philadelphia, Penn- sylvania 19120. Copies 2.1.1 Provided by IHSNot for ResaleNo reproduction or networking permitted witho
10、ut license from IHS-,-,-i , -= .-i MIL-D-BL77b 57 W 7777906 0078222 b m . -_ . . . . - 3. REQUIREMENTS MLU81976( AS) 3.1 testing (see 4.). Testing - This specification makes provisions for 3. 2 Materials, Parts, and Processes - The materials, parts, and processes shall be in accordance with MIL-T-21
11、200. 3.2.1 Selection of Parts, Materials, and Processes - Excepts as specified herein, MIL - T 21200 shall apply for the selection of parts, materials and processes. 3.2.2 Approval of Nonstandard Parts and Materials - Ap prova1 for the use of nonstandard parts and materials shall be in accor- dance
12、with MIL-T-21200. be in accordance with Step I and Step II only of MIL-STD-749. Nonstandard parts and materials data shall 3.3 Design and Construction - The design and construction of the equipment shall be in accordance with MIL-T-21200. 3.3.1 Total Weight - The total weight of the equipment, shall
13、 be a minimum consistent with good design and shall not exceed 23 pounds; 3. 3. 2 Connectors - The equipment shall provide for the use of connectors in accordance with MIL-T-21200. 3.3.2.1 External Connectors - External connectors shall provide for the fonowing: Ref er enc e Connect or Designation T
14、ype Function , J1 MS24264G12B3P6 Power input to Dummy Load, Electrical DA-662/U Pa -5 3.3.3 Test Points - Two front panel test points shall be provided to monitor the input voltage and frequency from the CV-2933/UPQ-5 under load conditions. identified as 115V 400 Hz. The test points shall be 3.3.4 H
15、uman Engineering - Human engineering shall be in accordance with MIL -T-21200. 3.4 Availability - 3.4.1 Reliability - When specified by the procuring activity, the contractor shall conduct a reliability program in accordance with MIL-STD-454, Requirement 35. by the procuring activity. The program pl
16、an shall be approved -. -3 - _I I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-t *x MIL-D-8177b 57 I 777770b 0078223 13 1-81976 (AS) 3.4.2 Maintainability - When specified by the procuring The program plan activity, the contractor shall conduct a
17、maintainability program in accordance with MIL-STD-454, Requirement 54. shall be approved by the procuring activity. 3.4.3 Interference Control - The generation of electro- magnetic interference by the equipment and the vulnerability of the equipment to electromagnetic interference shall be controll
18、ed within the limits of MIL-STD-461 unless otherwise specified. 3.4.4 Maintenance Provisions and Field Testing - Provisions for maintenance shall be as specified in MIL - T 21200 . points and test facilities shall be provided to the greatest extent practic- able for ease of field testing and mainten
19、ance. . Specific test 3.4.5 Nomenclature and Nameplates - Nomenclature assignment and nameplate approval for equipment identification shall be in accordance with MIL-N-18307. 3.4.6 Service Conditions - Service conditions (environ- mental) shall be in accordance with ment. L-T-21200 for Class 3 equip
20、- 3.4.7 Standard Conditions - The following conditions shall be used to establish normal performance characteristics under standard conditions and for making laboratory bench tests. Temperature Room ambient Altitude Normal ground l Vibration None Humidity Room ambient input power voltage 115 VAC, 40
21、0 Hz. 3.5 Performance Characteristics - The performance of the equipment shall be as specified herein. 3.5.1 Electrical Power Source - The equipment shall operate from a 11 5 VAC t 10 percent, -380 to 420 H z, single phase power source. - 3.6 Detail Requirements - 3.6.1 Function - The equipment shal
22、l be an item of peculiar ground support equipment which shall simulate average load conditions for the Static Frequency Converter, CV-2933/UFQ-5. load condition shall be 250 watts at 115 VAC. This average -4- I F Provided by IHSNot for ResaleNo reproduction or networking permitted without license fr
23、om IHS-,-,-MIL-D-BL77b 57 77777Ob 0078229 T W -2 MIL- I&81976(AS) 3.6.2 Content - The equipment shall contain in the below listed subassemblies : (i) Resistive Load - The load shall be 250 watts at 115 VAC. (2) Air Blower - The blower shall deliver 40 cubic feet of air per minute against a static pr
24、essure of O. 20 inches of water. 3.7 Dimensions - The equipment shall not exceed 13-1/8 inches wide by 4-3)8 inches high by 18 inches deep, excluding carrying handles, and shall be capable of being mounted in the Mission Recorder Mount, MT -4557/UPQ- 5. 3.8 Finish - Finishes shall be in accordance w
25、ith MIL- T-21200. I 3.9 Interchangeability - Interchangeability shall be in accordance with Ma-T-21 ZOO. 3.10 Workmanship - Workmanship shall be in accordance with MIL-T-21200. ._ .I . t .- -. -5- - - - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,
26、-MIL-D-81776 57 m 7777706 0078225 1 - 1b-81976 (AS) 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection - Unless otherwise specified in the contract or purchase order, the supplier is respon- sible for the performance of ali inspection requirements as specified herein. Except as otherw
27、ise specified, the supplier may utilize his own facilities or any commercial laboratory acceptable to the Govern- ment. The Government reserves the right to perform any inspections deemed necessary to assure supplies and services conform to pre- scribed requirements. S pe 4.1.1 Classification of Tes
28、ts - Items covered by this cification shall be subjected to the following tests to determine cirnpliance with all applicable requirements :. First article (preproduction) tests Tnitial production tests Acceptance tests 4.2 First Article (Preproduction) Tests - First article (preproduction) tests sha
29、ll be made on an equipment representative of the production equipments to be supplied under the contract. tests shall be accomplished under the responsibility of the contractor and shall be conducted in accordance with the approved test procedure of 4.5. The government inspector and the procuring ac
30、tivity shall be advised when tests are to be conducted so that a representative may be .designated to witness or supervise the tests when so desired. Con- tractors not having adequate facilities to conduct all required tests shall obtain the services of a commercial testing laboratory accept- able t
31、o the Government. The 4.2.1 First Article (Preproduction) Test Data - The con- tractor shall submit all data collected in conducting these tests to the procuring agency for review and approval. 4.2.2 Scope of Tests - Che tests shall include all tests deemed necessary, by the procuring activity, to d
32、etermine that the equipment meets all the requirements of this specification, other applicable specifications and the contract. 4.2.3 First Article (Preproduction) Approval - Approval of the test sample shall be by the procuring activity upon satisfactory completion of all tests, No production equip
33、ments shall be delivered prior to the approval of the test sample. equipment prior to the approval of the test sample is at the contrac- tors own risk. Prefabrication of production The approved test sample shall be retained by the Provided by IHSNot for ResaleNo reproduction or networking permitted
34、without license from IHS-,-,-MIL-D-81776 57 m 7979706 O078226 3 W .-c- . . . . _. - . - MIL- &81976(AS) contractor for his use in the fabrication and testing of equipment to be submitted for acceptance. The test sample shall not be considered as one of the equipments under the contract. 4.2.4 Produc
35、tion Equipments - Equipments supplied under the contract shall in all respects , including design, construction, workmanship, performance and quality, be equivalent to the approved test sample. Each equipment shall be capable of successfully passing the same tests as imposed on the test sample. comp
36、liance with the above shall constitute cause for rejection and for equipment already accepted by the Government, it shall be the obliga- tion of the contractor to make necessary corrections as approved by the procuring activity. Evidence of non- 4.3 Initial Production Tests - When specified by the p
37、rocuring activity, one of the first ten production equipments shall be selected and sent at the contractors expense to a designated Government laboratory for tests. by the procuring activity after the equipment has successfully passed all individual tests. The test sample shall not be selected for t
38、his test. This equipment shall be selected 4.3.1 Scope of Tests - This equipment may be subjected to any and all tests the procuring activity deems necessary to assure that the production equipment is equivalent to the previously approved test sample in design, construction, workmanship, performance
39、 and quality and that it meets all applicable requirements. 4.3.2. Accessory Material - In addition to the complete equipment submitted for Initial Production Tests , the contractor shall also submit such accessory material and data necessary to test the equipment . 4.3.3 Initial Production Sample A
40、pproval - Approval of Any design, material orper- the initial production sample shall be by the procuring activity upon satisfactory completion of all tests. formance defect made evident $uring this test shall be corrected by the contractor to the satisfaction of the procuring activity. Failure of t
41、he initial production sample to pass any of the tests shall be cause for deliveries of equipment under the contract to cease until proper corrective -action is approved and accomplished. Corrective action shall also be accomplished on equipment previously accepted when requested by the procuring act
42、ivity. 4.3.4 Reconditioning of Initial Production Test Sample - On completion of the initial production test, the equipment shall be re- worked by the contractor by replacing all wear or damaged items, After reworking, the contractor shall resubmit the equipment for ac- ceptance. - - 7- - -. Provide
43、d by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-L77b 57 M 777770b 0078227 5 W Te.- I 4.4 . Acceptance Tests - The contractor shall furnish all All inspection and testing shall be under the supervision of the samples and shall be responsible for accomp
44、lishing the acceptance tests. government inspector. satisfactory to the procuring activity shall engage the services of a commercial testing laboratory acceptable to the procuring activity. The contractor shall furnish test reports showing quantitative results for all acceptance tests. representativ
45、e of the contractor or laboratory, as applicable. tance or approval of material during the course of manufacture shall not be constructed as a guarantee of the acceptance of the finished pro- duct. Contractors not having testing facilities Such reports shall be signed by an authorized Accep- Accepta
46、nce tests shall consist of the following: (1) individual tests (4.4. i) (2) (3) Special tests (4.4.3) Individual Tests - Each equipment submitted for ac- ceptance shall be subjected to the individual tests. These tests shall be adequate to determine compliance with the requirements of material workm
47、anship, operational adequancy and reliability. As a minimum, each equipment accepted shall have passed the following tests: Reliability assurance tests (4.4. 2) 4.4.1 (1) Examination of product (4.4.1.1) (2) (3) Manufacturing run-in test (4.4.1,3) Examination of Product - Each equipment shall be Ope
48、ration test (4.4. i. 2) 4.4.1.1 examined carefully to determine that the material and workmanship requirements have been met. 4.4.1.2 Operational Test - Each equipment shall be operated long enough to permit the equipment temperature to stabilize and to check sufficient characteristics in accordance
49、 with Section 3 of this operation. e specification and record adequate data to assure satisfactory equipment 4.4.1.3 Manufacturing Run-In Test - When specified by the procuring activity, each equipment shall be operated under the conditions specified herein for a period of 6 hours without failure. be defined as anything which causes malfunctioning of the equipment. Chly those adjustments will be permitted which can
