1、Comments, suggestions, or questions on this document should be addressed to Defense Logistics Agency Aviation VEB, 8000 Jefferson Davis Highway, Richmond, VA 23297-5616, or e-mailed to STDZNMGTdla.mil. Since contact information can change, you may want to verify the currency of this address informat
2、ion using the ASSIST Online database at https:/assist.dla.mil/. AMSC N/A FSC 6220 MIL-DTL-58085C 20 DECEMBER 2012 SUPERSEDING MIL-DTL-58085B 29 OCTOBER2007 DETAIL SPECIFICATION LIGHT, BEACON, ANTI-COLLISION, AIRCRAFT This specification is approved for use by all Departments and Agencies of the Depar
3、tment of Defense. 1. Scope 1.1 Scope. This specification covers an anti-collision light. 1.2 Classification. Lights shall be of the type as specified (see 6.2). Type I -Connector located on bottom of unit, position “A” on figure 1 Type II -Connector located on side of unit, position “B” on figure 1
4、Type III -Connector unfastened; can be assembled as either Type I or Type II, position “A” or “B” on figure 1. 1.3 Part or identification number (PIN). The PIN to be used for connector acquired to this specification is created as follows: M 58085-X Type: 1- Type I - Connector located on bottom 2- Ty
5、pe II - Connector located on side of unit 3- Type III- Connector unfastened Specification Number Prefix for military specification Inactive for new design after 31 July 2000 INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-58085C 2
6、2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in section 3, 4 or 5 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has b
7、een made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements of documents cited in section 3, 4 or 5 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The f
8、ollowing specifications and standards form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. FEDERAL SPECIFICATIONS TT-P-1757 -Primer Coating, Alkyd Base, One Component FEDERAL STANDARDS
9、FED-STD-595/34088 -Green, Flat or Lusterless DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-DTL-5002 -Surface Treatments and Inorganic Coatings for Metal Surfaces of Weapons Systems MIL-DTL-5541 -Chemical Conversion Coatings on Aluminum and Aluminum Alloys MIL-S-7742 -Screw Threads, Standard, Optimum Sele
10、cted Series: General Specification for MIL-DTL-7989 -Covers, Light Transmitting, for Aeronautical Lights, General Specification for MIL-A-8625 -Anodic Coatings for Aluminum and Aluminum Alloys DEPARTMENT OF DEFENSE STANDARDS MIL-STD-130 -Identification Marking of US Military Property MIL-STD-461 -Re
11、quirements for the Control of Electromagnetic Interference Characteristics of Subsystems and Equipment MIL-STD-704 -Aircraft Electric Power Characteristics MIL-STD-810 -Environmental Engineering Considerations and Laboratory Tests MIL-STD-889 -Dissimilar Metals DEPARTMENT OF DEFENSE HANDBOOKS MIL-HD
12、BK-838 -Lubrication of Military Equipment Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-58085C 3 (Copies of these documents are available online at http:/assist.dla.mil/quicksearch/ or from the Standardization Document Order Desk, 700 Robbi
13、ns Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.3 Non-Government publications. The following documents form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. SOCIETY OF AUTOM
14、OTIVE ENGINEERS (SAE) SAE-AS25050 -Colors, Aeronautical Lights and Lighting Equipment, General Requirements for SAE AS31021 -Connector, Receptacle, Electric, Box mounting, Solder contacts, AN Type SAE-AMS-S-8802 -Sealing Compound, Temperature Resistant, Integral Fuel Tanks and Fuel Cell Cavities, Hi
15、gh Adhesion (Copies of these documents are available from www.sae.org or the Society of Automotive Engineers, Inc., 400 Commonwealth Drive, Warrendale, PA 15096-0001.) 2.4 Order of precedence. In the event of a conflict between the text of this document and the reference cited herein, the text of th
16、is document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Design. Anti-collision beacon light shall be in accordance with figure 1 and shall be as specified herein. Design shall permi
17、t adjustment or repair by personnel of operating units and overhaul bases. Parts shall be built to withstand the strains, jars, vibrations, and other conditions incident to shipping, storage, installation, and service. Weight of the complete assembly shall not exceed 2 pounds and 4 ounces. 3.1.1 Fir
18、st article. If first article approval is required (see 6.2), approval and testing shall be in accordance with 4.2. Approval of the first article shall not relieve the contractor of his responsibility to furnish a product in accordance with this specification. Any changes or deviations of the approve
19、d first article samples shall be subject to prior approval of the contracting officer. 3.2 Material. Materials shall be as specified herein. All materials and components shall be new and unused. 3.3 Construction. Provided by IHSNot for ResaleNo reproduction or networking permitted without license fr
20、om IHS-,-,-MIL-DTL-58085C 4 3.3.1 Standard parts. AN or MS standard parts shall be used whenever they are suitable for the purpose, and shall be identified on the drawings by their part numbers. In applications for which no suitable corresponding part is in effect on date of invitation for bids, com
21、mercial parts may be used provided they conform to this specification. 3.3.2 Interchangeability. All parts having the same manufacturers part number shall be directly and completely interchangeable with each other with respect to installation and performance. 3.3.3 Screw threads. Screw threads shall
22、 be in accordance with MIL-S-7742. 3.3.4 Protective treatment and finishes. Materials subject to deterioration when exposed to climatic or environmental conditions during service usage, shall be protected against deterioration in a manner that will in no way prevent compliance with the performance r
23、equirements specified herein (see 3.5). Protective coating that will chip, crack, or scale with age or extremes of climatic or environmental conditions shall not be used. 3.3.4.1 Metals. Metals shall be of the corrosion-resistant type or suitably protected to resist corrosion during normal service l
24、ife. Surface treatments and metallic coatings for metal surfaces of the light shall be in accordance with MIL-S-5002. Unless suitably protected against electrolytic corrosion, dissimilar metals as defined in MIL-STD-889 shall not be in intimate contact with each other. 3.3.4.2 Aluminum and aluminum-
25、alloy parts. All aluminum and aluminum-alloy parts shall be covered with an anodic film conforming to MIL-A-8625. If the finish is for corrosion resistance, or for a paint base, the parts shall be coated with a chemical film in accordance with class 2 of MIL-DTL-5541. 3.3.4.3 Steel parts. All steel
26、parts, except lubricated internal working parts and those fabricated from corrosion-resistant steel, shall be cadmium-plated in accordance with type II, class B of SAE-AMS-QQ-P-416. 3.3.4.4 Painting. Before assembly, all exposed parts (except bearing surfaces and the lamp) shall be coated with zinc-
27、chromate primer conforming to TT-P-1757; after assembly, two coats of zinc-chromate primer pigmented conforming to olive drab No. 34088 of FED-STD-595 shall be applied. 3.4 Components. Light shall include the following components: 3.4.1 Cover. Cover shall be of glass and conform to class B of MIL-C-
28、7989. Cover shall be mounted to provide an unobstructed transmission of light. Light emitted shall be aviation red conforming to SAE-AS25050. 3.4.2 Housing. Housing shall completely protect the mechanism and electrical wiring from entrance of foreign matter. Provided by IHSNot for ResaleNo reproduct
29、ion or networking permitted without license from IHS-,-,-MIL-DTL-58085C 5 3.4.3 Mounting flange. Mounting flange design, and screw locations, shall be as shown on figure 1. Flange shall be sealed to the housing with a sealant conforming to SAE-AMS-S-8802. A gasket shall be provided to seal the flang
30、e and the mating surface of the aircraft. 3.4.4 Terminals. Wiring from the motor (see 3.5.2) and lamp shall terminate in a connector receptacle conforming to MS3102R10SL-3P of SAE-AS31021. Terminal “A” shall be connected to the lamp circuit, terminal “B” to the motor circuit, and terminal “C” to the
31、 common ground. The connector location shall be in accordance with the type specified (see 1.2 and 6.2). For location “B”, the connector shall be positioned so that the key is toward the flange of the light, which will be the 12 o clock position with the light as shown in the lower view on figure 1.
32、 3.4.5 Type III light. Type III light shall be furnished in a partially dismantled condition so that the electrical connector is free to be assembled in either the type I or type II position (see 1.2) without the use of special tools. A copy of assembly instructions shall be provided with each type
33、III light. 3.5 Performance. 3.5.1 Life. The light shall withstand 1,000 hours of operation without servicing other than replacement of the lamp. The lamp shall withstand an average of 250 hours of operation. 3.5.2 Motor and lamp circuit. The light shall operate satisfactory on any supply voltage bet
34、ween 24 and 30 volt direct (dc) with an 84 watt rating. 3.5.3 Flash rate. The light shall have a flash rate of 70 flashes per minute, plus or minus 30, when operated from voltage specified in 3.5.2. 3.5.4 Light intensity. The minimum light intensities in all vertical planes, measured with the red fi
35、lter and expressed in terms of “effective” intensities, shall be in accordance with Table I. Table I. Minimum effective intensities for anti-collision light. Angle above or below mounting plane of light (degrees) Effective intensity (candles) 0 to 5 5 to 10 10 to 20 20 to 30 * 100 60 20 10 * Above o
36、nly. 3.6 Lubricant. Where lubrication is required for the light to comply with 3.5.1, it shall be within the guide line of MIL-HDBK-838. 3.7 Drainage. The light shall permit drainage of condensation if it is mounted in an upright or inverted position. Provided by IHSNot for ResaleNo reproduction or
37、networking permitted without license from IHS-,-,-MIL-DTL-58085C 6 3.8 Electromagnetic compatibility (EMC). The light shall meet the requirements of MIL-STD-461. The enclosed case construction shall provide continuity of electrical shielding. All mating surface shall be clean and carefully fitted to
38、 minimize radio frequency impedance at joints, seams, and mounting surfaces. 3.9 Electrical power supply. The light shall be designed for continuous operation when supplied with electrical power within the range of 20 to 30 volts (28 volts dc nominal) and have characteristics as defined in MIL-STD-7
39、04. 3.9.1 Electrical power interface. The light shall maintain specified performance when supplied with 28 volts dc (nominal) power having characteristics as defined in MIL-STD-704 for category B equipment. In addition to the transient voltage requirements of MIL-STD-704, the light shall not malfunc
40、tion, or exhibit any unacceptable response on any lead to or from the system, or any connecting lead when subjected to transients of plus or minus 600 volts for 10 milliseconds. Also, the light operation shall not degrade the aircraft electrical power supply characteristics beyond the limits specifi
41、ed in MIL-STD-704. 3.10 Identification of light. Light shall be identified per MIL-STD-130. 3.11 Workmanship. The light, including all parts and accessories, shall be constructed and finished to produce an item free from all defects which would affect proper functioning. The item shall be free from
42、burrs, sharp edges, metal chips, loose solder, and other foreign material. Particular attention shall be given to the neatness and thoroughness of soldering, wiring, marking, finish, alignment of parts, and tightness of screw assemblies. 4. VERIFICATION 4.1 Classification of inspection: The inspecti
43、on requirements specified herein are classified as follows: a. First article inspection (see 4.2). b. Conformance inspection (see 4.3). 4.2 First article. Two lights selected prior to line production (see 3.1.1 and 6.2) shall be subjected to all examinations and tests specified herein. 4.3 Conforman
44、ce. Conformance examinations and tests shall consist of examinations to determine compliance with this specification with respect to materials, workmanship, and markings, and with the operational test specified in 4.5.2. Sampling shall be in accordance with 4.4. 4.4 Sampling. A minimum of one light
45、shall be selected at random from each 25 or fraction thereof submitted for acceptance, and tested for flash rate as specified in 4.5.2. A minimum of one light shall be selected at random from each 200 or fraction thereof submitted for acceptance, and tested for light intensity as specified in 4.5.2.
46、 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-58085C 7 4.5 Tests. 4.5.1 Conditions. Other than for the environmental test specified in 4.5.4, tests on the light shall be conducted at an atmospheric pressure of 29.9 inches of mercury (Hg),
47、plus or minus 1 inch, and at a temperature of 78 F, plus or minus 20 F. 4.5.2 Operation. The light shall be mounted to a flat 18 by 18 inch aluminum sheet painted with zinc chromate primer, and under conditions simulating actual installation, operated at room temperature (approximately 77 F) from a
48、24 to 30 volt source. The flash rate and light intensity shall be tested to determine conformance with 3.5.3 and 3.5.4. Any evidence of malfunction or overheating of the motor shall be cause for rejection of the lot represented. In first article testing only (4.2), the light shall operate a minimum
49、of 100 hours before the flash rate and the light intensity are tested. 4.5.3 Endurance. The light shall be mounted to a flat 18 by 18 inch aluminum sheet painted with zinc chromate primer, and under conditions simulating actual installation, except with means provided for inverting the light without interrupting operation. The light shall be operated from a 28 volt dc source, plus
