1、Bd S distribution is un1 imi ted. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_ - MIL-A-27519 59 m 797990b 0054417 O m M IL -A- 2 95 19 ( E C ) SPECIFICATIONS MIL ITARY MI L-S-901 MIL-P-15024 MIL- P- 15024/5 MIL-E-16400G MIL-E-17555 STANOAROS MIL
2、ITARY MI L-STO- 108 MIL-STO- 109 MIL-STO-167-1 MIL-STO-454 MIL-STO- 965 MIL -STO- 13 10 MIL -STO - 1364 Shock Tests, H. I. (High-Impact), Shipboard Machi nery , Equipment And Systems, Requirements For Plates, Tags, And Bands For Identification Of Equipment P1 ates, Identification Electronic, Interio
3、r Communication, And Navi gati on Equipment, Naval Ship And Shore : General Specification For Electronic And Electrical Equipment, Accessories, And Provisioned Items (Repair Parts) ; Packaging Of Oef i ni tions Of And Basic Requirements For Enclosures For Electric And Electronic Equipment Quality As
4、surance Terms And Oefinitions Mechanical Vibrations Of Shipboard Equipment (Type I - Environmental And Type II - Internal ly Excited) Standard General Requirements For Electronic Equipment Parts Control Program Shipboard Bonding, Grounding, And Other Techniques For Electromagnetic Compatibility And
5、Safety Standard General Purpose Electronic Test Equ i pmen t 2.1.2 Government drawings. The fol 1 owing Government drawing forms a part of this specification to the extent specified herein. specified, the issue shall be those in effect on the date of the solicitation. Unless otherwise DRAWING SPACE
6、ANO NAVAL WARFARE SYSTEMS COMMAND ( SPAWAR) 0330412 Installation Guidance Details, OE-( )/SRC Antenna (4-12 MHz, 35 ft) Twin Whip 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-29519( EC) (Copies of specifications, standards, and drawings re
7、quired by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.) specification to the extent specified herein. Unless otherwise specified, the issues of the documents which are DoD adopted shall be th
8、ose listed in the issue of the DoDISS specified in the solicitation. Unless otherwise specified, the issues of documents not listed in the DoDISS shall be the issue of the nongovernment documents which is current on the date of the sol ici tation. 2.2 Other publications. The following documents form
9、 a part of this t AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) C95.2-66 Radio Frequency Radiation Hazard Warn Symbol Y32.16-1975 Reference Designations For Electrical Electronic Parts And Equipments (Application for copies shall be addressed to the American National Standards Institute, 1430 Broadwa
10、y, New York, NY 10018.) ng And (Nongovernment standards and other pub1 ications are normally available from the organizations which prepare or which distribute the documents. These documents also may be available in or through libraries or other informational services. 0 2.3 Order of precedence. In
11、the event of a conflict between the text of this specification and the references cited herein (except for associated detail specifications, specification sheets, or MS standards), the text of this specification shall take precedence. Nothing in this specification, however, shall supersede applicabl
12、e 1 aws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 General. 3.1.1 First article. When specified in the contract or purchase order, a The antenna group shall be in accordance with MIL-E-16400G to .the extent specified herein. sample shall be subjected to first
13、article inspection (see 4.4 and 6.3). 3.1.2 Operational requirements. The antenna group shall give re1 iable performance within the limits specified herein, under conditions of i ntenni ttent or continuous opepqtion during exposure to adverse conditions normally encountered in Naval shipboard commun
14、ication service. Mechanical and electrical ruggedness is of paramount importance for assurance of re1 iable performance. d 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-29519( EC) 3.1.3 Government-furnished material (FM). GFM, if any, inclu
15、ding either Government-furnished information (GFI) or Government-furnished equipment (GFE), shall be as specified (see 6.2 and 6.8). 3.2 Parts, material s, and processes. Parts, materials, and processes shall be in accordance with the Parts, materials and processes paragraph of MIL-E-16400G to the e
16、xtent specified herein. 3,2,1 Selection of parts, materials, and processes. Selection of parts, materials, and processes shall be id-accordance with the Selection paragraph of MIL-E-16400G to the extent specified i.n 3.2.2 through 3.2,4.2. 3.2,s - Parts. 3.2.2,l Individual selection. The performance
17、 of %he antenna group shall Parts shall be as specified-.in ,3.2.2.1 through 3.2.2.4. -. not be dependent on the selection of individual parts, unless. such selection 9s specifically approved by the procuring activity, only with the approval of the procuring activity, use nonstandard parts shall be
18、submi teed in accordance with MIL-STO-965. 3.2,2,2 Nonstandard parts usage, Nonstandard parts shall be employed Requests for approval to 3.2.2.3 Connectors, radio frequency (RF). RF connector and mating assemblies shall be tlectronic Industries Association flange type as specified in SPAWAR Drawing
19、(DWG) 0330412. 3.2.2.4 Insulators, Insulators specified shall conform to the electrical requirements specified in 3,6.4. resist deterioration from sunlight and salt spray and shall be nonhygroscopic. The antenna i nsul ator shall be a permanently assembl ed si ngl e Fiberglass insulators shall be tr
20、eated to . part, 3.2.3 Materials, Materials shall be as specified in 3.2.3.1 through 3.2.3,4, 3,2,3,1 Selection of materials, Where metal-to-metal contact of , dissimilar metals occurs, the selection of materials shall be in accordance with the Di ssimi 1 ar metals paragraph of MIL-E-l6400G, for com
21、binations of mstals subject to immersion, splashing, or spray from sea water. the types of metal-to-metal contact specified in a through d: 3.2,3.1.1 Attachment hardware, Attachment hardware shall be limited to a, Alumlnized hardware to aluminum metal b. Brass hardware to brass metal c. Brass hardwa
22、re to austenitic corrosion-resistant metal, d. Corrosion-resistant steel-to-steel metal subject to the approval of the procuring activity 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-275L9 57 7777706 005LIi.120 O L O L I) 7 MIL-A-29519( EC
23、) I tem Antenna group Interconnecting feed assembly Mating connector assembly kit Antenna, 10.67-m (35-ft) whip Matching network enclosure 3.2.3.2 Unacceptable materials. Materials specified in the Unacceptable materials paragraph of MIL-E-1640 OG shall not be employed in the antenna group. 3.2.3.3
24、Antenna and network enclosure materials. Whip elements shall be made of spun aluminum. The matching network enclosure (feedbox) shall be made of aluminum. Whips and matching network enclosure shall be designed to mount on steel surfaces. Quantity Nomencl ature - OE-415( V) /SRC 2 AS-3772( V)/U 1 1 C
25、Y -i-) /SRC 1 - 3.2.3.4 Magnetic materials. The antenna group shall have a minimum magnetic signature in accordance with the requirements specified in the Magnetic materiais paragraph of MIL-E-16400G. 3.2.4 Processes. Processes shall be as specified in 3.2.4.1 and 3.2.4.2. 3.2.4.1 Soldering. Solderi
26、ng shall conform to MIL-STO-454, Requirement 5. 3.2.4.2 Welds. Structural welding shall conform to MIL-STO-454, Requirement 13. 3.3 Design, Antenna group design shall be as specified in 3.3.1 through 3.3.9.1. 3.3.1 Antenna group capability. When installed in its design shipboard location, the antenn
27、a group shall provide a transmitting capability in the 4-MHz to 12-MHz range. specified in TABLE I. Major components of the antenna group shall be as Indenture 1.0 1.1 1.2 1.3 1.4 TABLE I. Major components list. 3.3.2 Functional interface. The antenna group shall operate without tuning over the desi
28、gn frequency range and provide required power handling capability in accordance with the requirements of 3.6.1 and 3.6.2, respectively. 3.3.3 Internal interfaces. Internal interfaces of the antenna group shall include interconnections between the two whip antennas and the matching network enclosure,
29、 and between the matching network enclosure and the transmission line cable. be located equidistant between the two whip antennas. The matching network enclosure, or feed box, shall Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-29519( EC) 3.3
30、.4 Mechanical interfaces. The antenna group shall interface with a fixed foundation on the ship in accordance with the mounting configuration and requirements of SPAWAR OWG 0330412, 3.3.5 Protective devices. Electromagnetic pulse (EMP) protective device( s) Fischer Custom Communications Model FCC-35
31、OA-5000A-IL-Z3/U, or equal, shall be installed in the matching network enclosure. 3.3.6 Reliability design, Reliability design shall be as specified in 3.36.1 and 3.3.6.2, 3.3.6.1 Oerating, Temperature, power, and voltage stress levels and ratios, as appltcable, shall be included in all mean-time-be
32、tween-failures estimates, Derating shall be in accordance with MIL-STO-454, Requirement 18. 3,3,6,2 Tolerance sensitivity. The design of the antenna group shall minimize failures due to parameter change as a function of manufacturing tolerances, environmental factors, and age. The factors specified
33、in a through j shall be considered: a , Normal manufacturing to1 erances , i ncl udi ng sol deri ng, wi ring , pl acement, and machinery to1 erances b. d, e. f. 9. h. i, j. to1 erances C. from exposure to effects i nsul ators Normal- variations in material quality, including finish Variations in app
34、lied RF voltages, peak and average Variations in power dissipation Range of ambient temperatures and rate of change Vibration 1 eve1 s, steady-state, and transient Humidity Operational aging, particularly that of dielectric materials sun, ozone, and stack gasses Nonoperati onal aging ( storage 1 i f
35、e 1, shipping and hand1 i ng Salt spray and stack gas deposits, particularly those on 3.3.7 Maintenance design. Maintenance design shall be as specified in 3.3.7.1 through 3.3,7.6. 3.3.7.1 Throw-away subassemblies. - The designation of subassemblies as throw-away shall be subject to approval of the
36、procuring activity. 3.3.7.2 Repairable subassemblies. Subassemblies designated as repairable shall be designed for ease of maintenance (see 6,6). 3.3.7.3 Adjustment and alignment. Except for allowable impedance trimming adjustments, the antenna group shall not require component adjustment or alignme
37、nt therein when installed in the ship, or during maintenance or repai r . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-29519( EC) 3.3.7.4 Accessibility. The matching network enclosure shall be so arranged that access to any part shall not re
38、quire removal of other parts, except access covers. fasteners. away when opened. 3.3.7.5 Access covers. Access covers shall be retained by captive Means shall be provided to prevent covers from falling or sliding 3.3.7.6 Test equipment. The design of antenna group components shall be such that all m
39、aintenance and repair action may be performed using only standard general purpose electronic test equipment (GPETE) , or substitute standard GPETE, as specified in MIL-STD-1364. 3.3.8 Mechanical design. The design of the antenna group shall conform to the Rounded corners and edges and Moisture pocke
40、ts paragraphs of MIL-E-16400G. 3.3.8.1 Enclosures. The degree of enclosure for the feedbox shall be spl as hproof as spec i fi ed in MIL-STD- 108. 3.3.8.2 Antenna whip elements. The tops of the antenna whip elements shall be closed to prevent the entry of water and salt spray. The Antenna Assembly,
41、AS-3772(V)/U, as a whole, shall be splashproof as specified in MIL-STD-108. 3.3.9 Safety desi n. Safety requirements for the antenna group shall be in accordance -7+- wit MIL-STD-454, Requi rement 1. 3.3.9.1 Electric shock hazard labeling. Hazard labels shall be permanently attached to each antenna
42、in a position readily visible to personnel in the area and shall contain the following in the upper triangle: DANGER RADIO FREQUENCY SHOCK HAZARD The following statement shall appear in the lower triangle: A RADIO FREQUENCY SHOCK HAZARD MAY EXIST TO PERSONNEL CONTACTING THE ANTENNA Color and format
43、shall confom to ANSI C95.2-66. ANSI C95.2-66, Figure 1, shall be at least 0.3185 centimeter (cm) (0.125 inch (in.). Dimension D, as specified in 3.4 Construction. Construction shall be as specified in 3.4.1 and 3.4.2. 3.4.1 EMP devices installation. Specified EMP devices shall be mounted in the matc
44、lt the antenna feed point(s) (see 3.3.5). 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MI L-A-29519 ( EC ) 3,4.2 Matching network enclosure. The matching network enclosure and all Techniques shall be employed such as, but not electrical connecti
45、ons shall be resistant to an increase in generation of intermodulation products as a result of the effects of salt air and constant vibration at 0.25 g amplitude, limited to, silver plating, brazing, or silver soldering. 3,5 Transportability. Al 1 antenna group equipment shall be transportable by ai
46、r, rail, truck, barge, or ship. The maximum dimensions of crated items, shall not exceed 6.1 m (20 ft) in any dimension, nor 1.8 m (6 ft) in either of the other di men si on s. L 3.6 Performance characteristics. Performance characteristics shall be as speci f iedf 3.6.1 Frequency range. The antenna
47、group shall conform to all requirements of this specification over the frequency range of 4 MHz to 12 MHz without tuning, 3.6.2 Power handling. The RF power input handling capability of the antenna group shall be 10 ki 1 owtt s average . 3.6.3 Impedance and voltage standing wave ratio (VSWR). The im
48、pedance shall be 50- ohms nominal, with a VSWR not exceeding 2:l. 1 he impedance and VSWR shall be stable from unit to unit and before and after environmental tests, 0 3.6.4 Insulator voltage. Each whip insulator shall withstand the appl ication of 60 kilovolts, direct current, when clean and dry, w
49、ithout arcing or vi si bl e corona. 3.7 Envi ronmental requi rements. Envi ronmental requirements shall be as specified in 3.7.1 through 3.7.11. 3.7.1 Temperature, operating. The antenna group shall conform to all performance characteristics zpecified herein while operating at any temperature in the range -54 Celsius (C) to +65 C in accordance with Range 1 of MIL-E-l6400G, for unshel tered equipment . 3.7.2 Temperature, nonoperatin
