1、MIL-H-15362B 47 m 7797906 0244979 6 m 1 M I L-H-IB(AER) 15 SEPTEMBER 1958 SU PERSEDES MI L-H- 5362 A (AER) I JUNE 1954 MILITARY SPECIFICATION HARNESSES; TEST BENCH, AVIONIC EQUIPMENT GENERAL SPECIFICATION FOR This specification has been approved by the Bureau of Aeronautics, Department of the Navy.
2、1. SCOPE 1. 1 Scope - This specification covers the general requirements for the design and fabrication of temch harnesses for the maintenance of avionic equipment. The detail require- ments for specific test bench harnesses will be contained in detail specifications. 2. APPLICABLE DOCUMENTS 2. 1 Ge
3、neral - The following documents of the issue in effect on the date of invitation for bids, form a part of this specification to the extent specified herein. SPEC1 FICATIONS Military MIL-C- 5015 MIL-E-5400 MIL- “-5422 MIL- E- 153 54 MIL-P- 17555 MIL-N-18307 MIL- T- 21200 - STANDARDS Militarv Connec t
4、ors; Electrical, “AN“ Type Electronic Equipment, Aircraft, General Specification for Testing, Environmental, Aircraft, General Sdecification for Electrical Test and Maintenance Tables, Table Tops, and Back Panel and Shell Assemblies. Preparation for Delivery of Electronic Equipment, Miscellaneous El
5、ectrical Equipment(Except Rotating Electrical Equipment) and Associated Repair Parts Nomenclature and Nameplates for Airborne Electronic and Associated Equipment Test Equipment for Use with Electronic and Fire Control Systems, General Specification for BC. MIL-STD-167 Mechanical Vibrations of Shipbo
6、ard Equipment S. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H- 15362B(Aer) PUBLICATIONS Bureau of Aeronautics NAVAER 16-1-524 DRAWINGS Bureau of Ships S9101-212410 L. 2 Availabilitv of Documents Design and Guidance Manual for Test Bench Harn
7、ess Shipboard Workbench for Aviation Electronics Shops (1) When requesting applicable documents give both the title and the number. All requests should be made via the cognizant Inspector of Naval Material or Bureau of Aeronautics Representative. (2) Copies of this specification and applicable docum
8、ents may be obtained upon application to the Commanding Officer, Naval Aviation Supply Depot (AD), Philadelphia 11, Pennsylvania (3) Copies of Bureau of Ships drawings may be obtained upon application to the Bureau of Ships, Navy Department, Washington 25, D. C. - 2. 3 Precedence - When the requirem
9、ents of the contract, this specification or applicable subsidiary specilications are in conflict, the following precedence shall apply. (1) Contract - The contract shall have precedence over any specification. (2) This Specification - This specification shall have precedence over all applicable subs
10、idiary specifications. Any deviation from this specification, or from sub- sidiary specifications where applicable, shall be specifically approved in writing by the Bureau of Aeronautics. (3) Referenced Specifications - Any referenced specification shall have precedence over all applicable subsidiar
11、y specifications referenced therein. All referenced specifications shall apply to the extent specified. 3. REQUIREMENTS 3.1 Descriptive 3. 1.1 Contents - The test bench harnesses covered by this specification may consist of fixed and portable rac-ps, brackets, junction boxes, cable assemblies, power
12、 control and overload protective devices, test points and cooling devices. 3. 1.2 Function - The test bench harness shall hold, position, electrically and mechanically connect, cool as necessary, protect from electrical and mechanical damage, and provide suitable auxiliary test points to allow opera
13、tion and facilitate testing and maintenance of the equipment for which it is designed. 3. 1.3 Application - The test bench harness shall be suitable for use in shore or ship based workshops in the testing and maintenance of avionics equipment. ,;e-:- 0 *iblc assemblies normally provided with test eq
14、uipment shall not be included. 3.9 3. 9. 1 Characteristics of Power Control and Overload Protective Devices. Function - The power control and overload protective devices shall provide Control - It shall be possible to disconnect completely all operating power. a means to introduce, control and prote
15、ct the source of operating power. 3. 9.2 This shall include disconnecting of ground return conductors. This control shall be centralized at a single location and preferably it shall be possible to accomplish this control with a single switching action. disconnect operating power in the event of elec
16、trical load in excess of normal. Such overload protection shall be in accord with the general requirements of Specification MIL-E-5400. Such overload protection shall be designed to prevent damage to both the equipment being tested and the source of operating power. 3. 9.3 Overload Protection - Circ
17、uit breakers or fuses shall be provided to 3. 10 3. 10. 1 Characteristics f Test Points Function - The test points shall provide for electrically connecting test equipment to the equipmentfor the purpose of (a) determining the characteristics of electrical signals within the equipment and/or (b) int
18、roducing test signals into the equipment. High Voltage Test Points - No test points shall be provided for measuring 3. 10. 2 potentials in excess of 1000 V. Provisions shall be made such that all high voltages may be measured at a potential level of less than 1000 volts. 3. 10.3 Connectors - Connect
19、ors for milliammeter or voltmeter measurements shall accommodate test prods in accordance with the requirements of Specification MIL-E- 5439. Connectors for other than milliammeter and voltmeter measurements shall be in accordance with Spec if ication MIL- C - 50 15. the test bench harness or shall
20、be designed to allow mounting to a workbench as required in 3.1.3. 1. 3. 10.4 Mounting Provisions - Test points will be secured to a structural member of 3. 11 3.11.1 Characteristics of Cooling Devices Funcfion - Cooling devices shall provide for maintaining the temperature of equipment within its n
21、ormal operating range. 3.11.2 Type - These devices shall consist of electric motor driven air blowers with Operating Power - The electric motors Shall operate from 103. 5 to 126. 5 suitable ducts includedmect the cooling air stream. 3. 11.3 volts rms. 54-66 cps a. c. power. 3. 11.4 Mounting Provisio
22、ns - The cooling device shall be designed to be mounted. . either on a structural member of the test bench harness or on a workbench as per 3. 1.3. 1. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. MIL- H- 1 53 62 B (Aer ) 3.12 Preliminary Plans -
23、 Unless otherwise authorized by the Bureau of Aeronautics, the contractor, prior to fabrication or procurement of materials intended for use in fabrication, shall forward to the Bureau ofAeronautics for approval, a description of the test bench harness to be developed or manufactured in accordance w
24、ith this specification. This description including sketches or drawings, as necessary, shall indicate the recommended physical layout of the test bench harness noting the proposed function, characteristics and application of each item of the harness. cation or the procurement of materials intended f
25、or use in the fabrication of the test bench harness shall not be initiated until the Bureau of Aeronautics has approved in writing the proposed physical layou t. Fabri- 3. 13 Service Conditions - The test bench harness shall be so designed and constructed that it can withstand without adverse effect
26、, the nonoperating conditions and shall perform satisfactorily when exposed to the operating conditions or natural combinations of conditions as specified below. Satisfactory performance shall mean that the test bench harness shall perform satis: limits lor which that equipment is designed. brily an
27、d shall not impose on the equipment being tested any conditions which exceed the 3. 13. 1 Temperatur e (a) Operating : Operating over the temperature range of -2OOC to +4OoC! (-4“F04O F). time or varying at a rate as high as 1C per second. The temperature remaining constant for long periods of (b) N
28、onoperating: Temperature ranging from -62OC to +85“C (-80“ to +185F), the temprature remaining Constant for long periods or varying at a rate as high as 1C (i. 8F) per second. 9 3. 13.2 Altitude: 21 (a) Operating - Operation at barometric pressure ranging from 30 inches of mercury down to 20.6 inche
29、s of mercury, (approximately 10,000 feet altitude). (b) N6noperating: Barometric pressures ranging from 30 inches of mercury down to 11.2 inches of mercury (approximately 25,0000 feet altitude). 3. 13.3 Humidity: (a) Operating; Operating at relative humidities up to 100% at temperatures up to 50C (1
30、22F) including conditions wherein condensation takes place in and on the equipment. (b) Nonoperating: Relat.ive humidities up to 100% at temperatures up to C (122“F), including conditions wherein condensation takes place in and on the equipment. 3.13.4 Vibration - The test bench harness shall be so
31、designed and constructed that no fixed part shall become loose, no movable part or control shift in setting, position or adjustment. The harness shall perform satisfactorily, and shall not impose on the equipment being tested any condition which exceed the limits for which that equipment is designed
32、, when subjected to Type I vibration of MIL-STD-167,frequency range of 5 to 33 cps. ,- 3. 13. 5 Shock - The test bench harness shall be designed and constructed so that the harness and, the equipment being tested shall not suffer damage or subsequently fail to provide satisfactory performance when s
33、ubjected to 18 impact shocks of 15 g consisting of three shocks in opposite directions along each of three mutually perpendicular axis, each shock impulse having a time duration of 11 i 1 milliseconds. The “g“ value shall be within * 10% when measured dab a filter having a bandwidth of O. 2 to 253 c
34、ps and the maximum “g“ shall occur at approximately 5- 1/2 milliseconds. -. :a ;r * .:.i., Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-15362B 47 7977706 0244785 I . 3. 13. 6 The test bench harness shall not be adversely affected when expose
35、d to any of the following: (a) Salt-sea atmosphere (b) Sand and dust particles encountered in desert areas. (c) Fungus growth as encountered in tropical climates. 3. 14 Detail Specification - Detail requirements for test bench harnesses for specific equipment shall be included in a detail specificat
36、ion. When a detail specification is not available and this general specification is applied on a contract, the contractor shall, prior to fabrication or procurement of materials for use in fabrication of test bench harnesses, prepare and submit a proposed detail specification to the Bureau of Aerona
37、utics for review and approval. The detail sper ,itation shall be submitted in the form of military specifications and shall include the require- mciits of this general specification by reference. shall be submitted. Fabrication, or procurement of materials for fabrication of test bench harnesses sha
38、ll not be initiated until receipt by the contractor of approval from the Bureau of Aeronautics of the detail specification. Two copies of this proposed detail Specification Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-L5362B 49 9979906 02449
39、86 3 -. . MIL-H- 15362B(Aer) 4. QUALITY ASSURANCE PROVISIONS 4. 1 General - Test bench harnesses shall be subjected to the following tests to determine compliance- the applicable requirements. (i) Preproduction Tests (2) Acceptance Tests Preproduction Tests - Preproduction tests shall be made on one
40、 or more test bench harnesses representative of the production test bench harnesses to be supplied under the contract. Preproduction tests shall consist of the following: 4. 2 (i) Contractors Demonstration Tests (2) Service Approval Tests 4. 2. 1 Contrac tors Demonstration Tests - Contractors demons
41、tration tests shall be accomplished under the responsibility of the contractor and shall be conducted in accordance with the approved test procedure of 4.4. Data obtained by the contractor in conducting these tests shall be submitted to the Bureau of Aeronautics for review and approval prior to ship
42、ping the equipment to the specified destination for service approval tests. The Government Inspector and the Bureau of Aeronautics 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. Contractors not having adeq
43、uate facilities to conduct all required tests shall obtain the service of a commercial testing laboratory satisfactory to the Bureau of Aeronautics. .- 4.2. 2 Service Approval Tests - At the completion of the contractors demonstration tests and when requested by the Bureau of Aeronautics, the test b
44、ench harness shall be delivered to a specified government laboratory for additional testing. This additional testing may consist of duplicating tests previously conducted and such other tests deemed necessary to determine com- pliance with all applicable design and performance requirements. 4. 2. 3
45、Scope of Tests - Preproduction tests shall include all tests deemed necessary to-determine that the test bencl harness meets all the requirements of this specification and the contract. Preproduction tests shall include environmental tests in accordance with Specification MIL- T- 5422 where applicab
46、le and interference tests in accordance with Specification MIL-I- 6181. 4. 2. 4 Preproduction Approval - Approval of the preproduction test bench harness Shall be by the Bureau of Aeronautics upon satisfactory completion of all tests. No production test bench harnesses shall be delivered prior to th
47、e approval of the preproduction model. Prefabricatioi of production harnesses prior to the approval of the preproduction model is at the contractors own risk. The approved preproduction model will be returned to the contractor for his use in the fabrication and testing of equipment to be submitted f
48、or acceptance, The preproduction model shall not be considered as one of the harnesses under the contract; however, it may be reworked by the contractor and submitted for acceptance as a production harness. responsible for accomplishing the acceptance tests, All inspection and testing shall be under
49、 the supervision Of the Government Inspector. Contractors not having testing facilities satisfactory to the Bureau of Aeronautics shall engage the senice of a commercial testing laboratory acceptable to the Bureau of Aermutics. The contractor shall furnish test reports showing quantitative results for all acceptance tests. Such reports shall be signed by an authorized representative of the con- tractor or laboratory, as applicable, Acceptance or approval of material during the course of m
