1、MILITARY SPEC IF ICAT ION FLIGHT C0OPJ)INATION CENTRAL AX/TSC-61( ) 1. SCOPE 9 Deceirber 1971 1.1 This specification covers one type of Army Air Traffic Regulator System which provides extension capabilities for Flight Operations Centrals and is designated Flight Coordination Central AN/TSC-61( ). 6
2、.4) (See 6.1 and 2. APPLICABLE DOCUIBNTS 2.1 The following documents, of the issue in effect on date of invita- 1 tion for bids, or request for proposal, form a part of this specification 1 to the extent specified herein. SPECIFICATIONS MILITARY MIL-M-13231 NIL-P-1126 8 NIL-F-14072 MIL-S-19500 MIL-
3、1-4 6 O 5 8 MIL-P-55110 MIL-S-55505 STANDARDS MILITARY MIL-STD-105 MIL-STD-2 52 MIL-STD-454 MIL-STD-461 Marking of Electronic Items Parts , Materials and Processes Used In Electronic Communication Equip- ment Finish for Ground Signal Equipment Semi-conductor Devices, General Speci- fication For Insu
4、lation Compound, Electrical (For Coating Printed Circuits Assemblies) Printed Wiring Boards Shelter, Electrical Equipment (Contain- ing Equipment) Packaging and Packing Of Sampling Procedures and Tables for Inspection By Attributes Wired Equipment, Classification of Visual and Mechanical Defects Sta
5、ndard Requirements For Electronic Equipment Electromagnetic Interference Character- istics Requirements for Equipment a- n Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-55
6、35b 58 m 97999Ob OLb547 7 = MIL-F-55356(EL) MILITARY (Cont d) MIL-STD-46 2 MIL-STD-633 MIL-STD-810 MIL- STD - 1 3 3 2 Electromagnetic Interference Character- istics, Measurement Of Electric Power Engine Generator Set Family Characteristic Data Sheets Environmental Test Methods Definitions of Tectica
7、l, Prime, Precise, and Utility Terminologies for Classi- fication of DOD Mobile Electric Power Engine Generator Set Family (Copies of documents required by suppliers in connection with specific pro- curement functions should be obtained from procuring activity or as directed by the Contracting Offic
8、er.) 3, REQUIREMENTS 3,l System description. The Flight Coordination Central (FCC) is primarily a communication facility utilized in the Army Manual Air Traffic Control System, It provides the ground-air-ground and ground-to-ground communications equipment and other accessory items required for coor
9、dina- tion of the Air Traffic Control functions, a8 an extontion of Flight Operation Centrals (FOC) which are the main traffic control facilities of the enroute system, The system usually functions 3,2 Procurement model. A procurement model of the equipment will be available for inspection by prospe
10、ctive bidders and will be lent to the contractor, physical construction of the equipment shall conform to the model and the equipment shall incorporate all features of the model , Unless otherwse specified herein or in the invitation for bids, NOTE: for the equipment and performance of the model, th
11、e specified performance characteristics govern. Xn case of conflict between specified performance characteristics 3.3 cle saaiples and contract, First Article Samples, - The contractor shall furnish First Arti- of equipment on order as required by the invitation for bids (SEE 4.3 ti 6,2) 3.4 Cleanin
12、g, - 3,4,l Parts. - After fabrication, parts shall be cleaned as specified in an applicable document, efect, are mounted on cliassis, panels, etc, Gleaning processes shall have no deleterious Corrosiva meterials shall be removed completely before the parts 2 - - . i. a c =- :a-.- - Copyright Communi
13、cations - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-iMIL-F-5535b 58 777970b OLb5977 O W MIL-F-55356(EL) 3.4.2 Units, - After assembly, units shall be cleaned thoroughly and shall be free from particle
14、s of solder, flux, and other foreign material, In addition, when necessary, such cleaning shall also be performed before final assembly of the units. 3.5 Controls. - All movable controls shall operate properly without Controls shall not be assembled in a binding or other undue restriction, misaligne
15、d condition. 3.6 Finish, Protective. - The equipment shall be given protective finish in accordance with Specification MIL-F-14072. after mounting. color as the procurement model appIied in accordance with and conforming This includes finish The final paint film on Type 1 surfaces shall be the same
16、. of hardware, such as handles, hinges, screws, etc. and necessary touch-up to MIL-F-14072. 3.7 Securing of parts . - 3.7.1 General. - Brackets, lugs, inserts, bolts and other mounting arrangements shall retain items securely when subjected to specified ser- vice conditions. 3.7.2 Securing of parts
17、by threaded fasteners. - Nylok or other screws and nuts with plastic devices and Loctite or similar sealants shall not be subjected to temperatures in excess of 250F (as during baking of paint), Loctite or similar sealants shall be applied in accordance with the manu- facturers instructions. 3.8 Mar
18、king. - 3.8.1 General. - Marking shall conform to Specification MIL-M-13231. Front panel marking shall be in accordance with the equipment drawings. 3.8.2 Visibility, - Wherever practicable, parts shall be so mounted that their. identification markings will be readily visible with minimum disassembl
19、y of the equipment. 3.8.3 Serial Numbers. - The unit(s) which are contractor-furnished and assigned an approved nomenclature,and the AN/TSC-61( ) shall be serial numbered. 3.9 Soldering. - 3.9,l Solder. - Solder shall conform to Requirement 5, of MIL-STD-454, i- 3 Copyright Communications - Electron
20、ics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3,9.2 Acid or acid salts, - No acid or acid salts shall be used in preparation for or during sodering; however, exception is permitted for preliminary tinning of elec
21、trical connections and for tinning or soldering of mechanical joints not used to complete electrical circuits, but in no case shall acid or acid salts be used where they can come in contact with insulation material, they shall be completely neutralized and removed immediately after use, Where acid o
22、r acid salts are used, as permitted above, 3.9.3 Process, - There shall be no sharp points or rough surfaces The solder shall feather out to a resulting from insufficient heating. thin edge, indicating proper flowing and wetting actions, and shall not be crystalized, overheated, or underheated. flux
23、 and solder shall be used for electrical connections. ployed to remove an unavoidable excess of flux shall not incur the risk of loose particles of flux, brush bristles, or other foreign material remaining in the equipment; fluxbeing spread over a larger area; or damage to the unit:, Insulation mate
24、rial that has been subjected to heating during the soldering operation shall be undamaged and parts fastened thereto shall not have become loosened, The minimum necessary amount of Any means em- 3.10 Wiring and cabling, - Wiring and cabling shall be neat and sturdy, 3.10.1 Cabling,.- Insulated wires
25、 shall be formed into cables except where operation of the equipment would be adversely affected thereby or where it is phyeically impracticable as in the case where the resulting cablee would be excessively large and would interfere with operation or maintenance, 3.10.2 .Slack. - Wires and cables s
26、hall be as short as practicable except that sufficient slack shall. be provided for the following purposes: ar To prevent undue stress on cable forms, wires, and connections, including connections to resiliently supported parts, b, To enable parts to be removed and replaced during servicing without
27、disconnecting other parts. cr To provide for at least two replacements of the part to which the wire or cable is connected, except where uninsulated wires are used. 3,10,3 Protection, - Wires and cables shall be so placed and protected as to avoid contact, under specified service conditions, with ro
28、ugh or irregular surfaces or sharp edges. 4 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-F-55356 58 m 06 OlbbOOL 3 MIL-F-55356 (EL) 3.10.4 to prevent undue stress on the co
29、nductors and terminals and undue change in position of the wire or cable (i) during and after subjection of the equip- ment to specified service conditions or (ii) after service or repair of the equipment in a normal manner. Support. - Wire and cable shall be properly supported and secured 3.10.5 Cl
30、earance. - Clearance between solder connections or bare con- ductors, on terminal boards, relays, or other parts, shall be such that no accidental contact can occur between adjacent connections when subjected to specified service conditions, 3.10.6 Splicing. - Wires in a continuous run between two t
31、erminals shall not be spliced during the wiring operation. 3.10.7 Connections, general. - Before being soldered to terminal lugs or fixed terminals, wire shall be mechanically secured so that the connec- tions Lire not dependent for strength on solder alone. wires soldered to fixed terminals shall b
32、e looped at least one-half turn but not more than three-quarters turn around the terminal before soldering. Bared ends of wire leads to be terminated in solder type terminal lugs shall be tinne, silver plated, or lead-alloy coated. No varnish, lacquer, inspec-. tion paint, or other coating shall be
33、applied to complete electrical connec- t ions. Where practicable, 3.11 Printed wiring assemblies (SEE 4.4). - Printed wiring assembLies shall be processed for compliance with the procurement model and MIL-P- 55110 in order not to affect life and serviceability of the assemblies. 3.12 Conformal coati
34、ngs (SEE 4.4). - Except as otherwise indicated on the procurement model, printed wiring assemblies shall be conformally coated with a coating material which conforms to MIL-1-46058, Type ER (Epoxy) or Type PUR (Polyurethane). The coating shall be applied to both sides of the cleaned printed wiring a
35、ssembly including the component leads. blies shall be cleaned of flux and other contaminants prior to application of coating. part of the printed wiring assembly. The conformal coating shall be com- patible with all parts of the printed wiring assembly and the thickness shall be 0,0035 inch nominal
36、tolerance. The coated assemblies shall show no visible bubbling, blistering, wrinkling, cracking, pinholes, or peeling of the coating material or corrosion of printed conductors. assemblies shall be adequately masked or otherwise protected in such a manner that application of conformal coating does
37、not degrade the electrical performance of the assembly. Assemblies having adjustable components shall not have the adjustable portion covered with the coating. Electrical and mechanical mating surfaces such as connector contact points, test points, These assem- Cleaning compounds shall have no delet
38、erious effects on any Printed wiring 5 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,- _- - _ MIL-F-5535b 5B W 339790b 01ibbOOi 5 I PLIL-F- 5 5 3 5 6 (EL) screw threads, bearng s
39、urfaces, etc., shall: not be coated. those areas which are not to be coated, and tape is used, the tape shall be an electrical grade, When the printed wiring assembly utilizes glass encased components, such components shall be protected against breakage by the conformal coating by covering the compo
40、nent with thin pliant buffer material, prior to coating, such as polyvinylidene fluoride or silicone rubber. material and all parts of the printed wiring assembly. buffer material shall be fungus and flame resistant; and shall be clear transparent so markings on the component-shall be visible. ings
41、shall be clear transparent so markings on the components shall be visible. When masking This buffer material shall be compatible with the conformal coating In addition, the Conformal coat- I 3.13 $emiconductom (transistors The assembly shall be permitted a 30 minute warm-up period beforefull opera-
42、tion is required. and the electronic equipment may be turned on as desired to benefit overall operational performance. shall provide full specified performance. During the 30 minute period, the assembly heating system(s) At the end of the 30 minute period, the assembly (2) Storage and transportation
43、. The contractor-fabricated internal equipment and the assembly shall withstand exposure to ambient air temperature as low as -70F. d, 6. . 4.7 ;5. If 3.18.1J. ._ 4.7.5. lg 3,18.1.8 4.7.5 . lh .3.18*,1.3 -_ 4.7.5 IC ._ Audio Output (RCVR) 3.18.2.1 . . 4.7.5.2a Sens it ivi t y (RCVR) 3.18.2.2 4.7 . 5
44、.2b Distortion (RCVR) 3.18.2.3 4.7.5.2 Power Output (XMTR) 3,18.2! 4 4.7.5.2e Percent Modulation (XhTR) 3.18.26 4,7.5.2f Sidetone (XMTR) Distortion (XMTR) VHF-FM CHANNELS Audio Output (RCVR) Sensitivity (RCVR) Distortion (RCVR) Power Output (XMTR) Deviation (XMTi) Sidetone (XMTR) Distortion (XMTR) 3
45、.18.2“ 7 4.7.5.2g 3.18.2.8. 4.7.5.2h . 3.18.3.1 ; 4.7.5.3a b 18.3.2 4.7.5.3b .18,3.3 4.7.5.3c 3.18.3.4 4.7.5.3e 3.18.3.6 ri; 7.5.3f 3.18.3.7 4 7.5.3g -3.18.3.8 . 4.5.5.3h - Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networki
46、ng permitted without license from IHS-,-,-MIL-F-55356 (EL) INSPECTION TABLE I (Contd) REQT PARA INSP PARA HI?-SSB CHANNELS# Audio Output (RCVR) 3.18,4 . 1 Sens it ivit y (RCVR) 3.18 . 4.2 Percent Modulation (XMTR) 3.18.4.4 Sidetone (XMTR) 3 . 18 . 4.5 Power Output (XMTR) 3.18 4 3 Radio Channel Cross
47、talk 3,1805 Volume Control Attenuation 3018.6 4 . 7 . 5 . 4a 4.7.5.4 4.7 05.4c 4.7.5.4d 4 . 7 . 5.4e 4 , 7 . 5 . 5b 4.7 , 5.5a Foot: Switch 3618.7 4.7 6 5.5c Voice Security 3.18.8 4.7.5.5d Telephone System 3,1809 4.7.7 Teletype System 3 . 18.10 4.7.6 4.5.2 Group B inspection. This inspection, includ
48、ing sampling, shall For this inspection, one (5) central from every conform to TABLE II and to special procedures for small-sample inspection of MIL-STD-105, passed Group A inspection, seven (7) on order shall be inspected. Group B testing, testing for that deficient parameter shall be done on two (
49、2) Centrals, one assembled immediately prior to and the other subsequent to the deficient Central. If no deficiencies are noted in the two addi- tional Centrals, repair of the deficient Central should be made and a record of corrective action taken should be maintained and kept on file. deficiencies are also noted in the additional units tested, notification should be made LO the procurement activity of actions necessary to correc
