1、-ri- 1 MIL-L-6723C 1 November 1987 SUPERSEDING 16 February 1962 MIL-L-67236 MILITARY SPECIFICATION LIGHTS, AIRCRAFT, GENERAL SPECIFICATION FOR This specification is approved for use by all Departments and Agencies of the Department of Defense, 1. SCOPE 1.1 Scope. This specification covers general re
2、quirements for aircraft I ights. 1.2 Classification. The lights shall be furnished in the following types as specified: Type I - Without ANVIS compatible filters. Type II - With ANVIS compatible filters as specified in 3.3.5.1 (see e 6.2.1 1. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 S
3、pecifications and Standards. The following specifications and standards form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (D
4、ODISS) and supplement thereto, cited in the solicitation. SPECIFICATIONS FEDERAL PPP-8-576 - Box, Wood, Cleated, Veneer, Paper Overlaid. PPP-6-585 - Box, Wood, Wirebound. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document
5、 should be addressed to: Commanding Officer, Naval Air Engineering Center, Systems Engineering and Standardization Department (Code 53), Lakehurst, NJ 08733-5100 by using the self-addressed Standardization Document Improvement Proposal (DD Form 14261 appearing at the end of this document or by lette
6、r. O 7 t AMSC N/A THIS DOCUMENT CONTAINS II PAGES. FSC 6220 DISTRIBTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-L-b723C 62 M 9979906 009823-3 L MIL-L-6723C PPP-B-591 - B
7、oxes, Shipping, Fiberboard, Wood-cleated. PPP-B-601 - Boxes, Wood, Cleated-Plywood. PPP-B-621 - Box, Wood, Nailed and Lock-corner. PPP-B-636 - Box, Shipping, Fiberboard. PPP-T-60 - Tape, Packagi ng, Waterproof. MI LI TARY MIL-P-1 16 - Preservation, Methods of. MIL-G-174 - Glass, Optical. DOD-D-1000
8、- Drawings, Engineering and Associated Lists. MIL-C-7989 - Covers, Light-Transmitting, for Aeronautical Lights, General Specification for. MIL-L-10547 - Liners, Case and Sheet, Overwrap, Water-vaporproof or Waterproof, Flexible. MIL-C-25050 - Colors, Aeronautical Lights and Li ghti ng Equipment , Ge
9、neral Requirements for. MIL-C-83409 - Coating, Visor, Polycarbonate, Flying Helmet. MIL-L-85762 - Lighting, Aircraft, Interior, AN/AVS-6 Aviators Night Vision Imaging System (ANVIS) Compatibile. STANDARDS MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attributes. MIL-STD-129
10、 - Marking for Shipment and Storage. MIL-STD-130 - Identification Marking of U.S. Military Property. MIL-STD-143 - Standards and Specifications, Order of Precedence for the Selection of. MIL-STD-810 - Envi ronmental Test Methods and Engi neeri ng Gui del i nes. (See Supplement 1 for list of associat
11、ed AN and MS standards.) (Copies of specifications and standards required by manufacturers in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting activity.) 2.2 Other publications. The following document forms a part of th
12、is a specification to the extent specified herein. Unless otherwise specified, the 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-issues of the documents which are DOD adopted shall be those listed in the issue of the DODISS specified in the solic
13、itation. Unless otherwise specif the issues of the documents not listed in the DODISS shall be the issue of nongovernment document which is current on the date of the solicitation. led, the American Society of Testing and Materials (ASTM) ASTM-D-3951 - Packaging, Commercial, (Copies of ASTM-D-3951 s
14、hould be obtained from the American Society of Testing and Materials, 1916 Race St., Philadelphia, PA 19103.) 2.3 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein (except for AN or MS standards), the text of this specification sha
15、ll take precedence. Nothing in this specification, however, shall supersede applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified in the contract or purchase order, samples shall be subjected to first article inspection (see
16、4.2.a, 4.4 and 6.3). 3.2 Material s. 3.2.1 Protective treatment. When materials are used in the construction of the lights that are subject to deterioration when exposed to climatic and environmental conditions likely to occur during service usage, they shall be protected against such deterioration
17、in a manner that will in no way prevent compliance with the performance requirements of this specification. The use of any protective coating that will crack, chip or scale with age or extremes of climatic and environmental conditions shall be avoided. 3.2.2 Selection of materials. Selection of mate
18、rials not defined by this specification or the applicable MS or AN standard, shall be in accordance with MI L-STD- 1 43, 3.2.2.1 Standard parts. Standard.parts (MS, AN or JAN) shall be used wherever they are suitable for the purpose. Fastening devices used for assembly, such as bolts, nuts, washers
19、and cotter pins having suitable properties may be used provided they can be replaced by the standard parts (MS AN or JAN) without alteration, and provided the corresponding standard part standard parts list and, if practicable, on the the applicable MS or AN standard 3.3.1 Lamp. Lamps shall conform
20、to applicable MS or AN standards, and shall have a rated operating potential in accordance with the detail specifications or drawings (see 6.2.l.b). e 3.3.2 Soldering. No acid soldering flux shall be used in the construction of the assembl ies. 3 numbers are referenced in the contractors drawings. 3
21、.3 Design. The design sha (see 6.2.1.b). 11 conform Po Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-L-6723C 3.3.3 Color of light. The light emitted by each light shall comply with MIL-C-25050 for the type and color specified on the MS or AN st
22、andard. See 3.3.5.1 when specified color and spectral distribution of light defined in the O applicable MS or AN standard requires ANVIS compatibilty. 3.3.4 Operating potential. Unless otherwise specified, the light shall conform to the other requirements of this specification with the rated effecti
23、ve operating potential of the lamp applied to the electrical connections of the light, 3.3.5 Lenses. All lenses shall conform to MIL-C-7989. 3.3.5.1 ANVIS compatible lighting. When aviators night vision imaging system (ANVIS) compatible lighting is required it shall be in accordance with the followi
24、ng requirements (see 4.10): ? a. b. C. d. e. f. Polycarbonate, laminated or glass filters used in the L ANVIS-compatible flood light assembly shall meet the requirements of 3.9.10, 3.10.8 and 3.10.9 of MIL-L-85762 and the environmental characteristics of Table I. Failure is defined as discoloration
25、or distortion of an ANVIS compatible flood light assembly to the degree of rendering the flood light assembly non-functional, or any out-of-tolerance performance of the light output. The inclusion number for each glass filter used in the ANVIS compatible flood light assembly shall not exceed 10, as
26、prescribed i n MI L-G-1 74. Glass filters used in the ANVIS compatible flood light assembly shall have one side polished and the other side shall have a matte finish providing uniformity of illumination of the light dispersed throughout the filter material. Polycarbonate filters used in the ANVIS co
27、mpatible flood light assembly shall have one side polished and the other side shall have a matte finish. Glass filters used in the ANVIS compatible flood light assembly shall have all edges sand swiped to preclude cuts, not to exceed ,010 inch. Polycarbon.ate filters shall be coated on both sides an
28、d on all edges per MIL-C-83409, TABLE I. Environmental charactersitics. a. General. The entire light assembly test sample shall first be subjected to the temperature cycling test and then the humidity test in that order. b. Temperature cycling. The test sample shall withstand 10 temperature cycles f
29、rom +lOOC to -40C without degradation. O c. Humidity. The test sample, having successfully completed the temperature cycling test, shall undergo the humidity test of MIL-STD-810, Method 507, Procedure II, without degradation. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted wit
30、hout license from IHS-,-,-MIL-L-6723C 3.3.6 Electrical circuit. Unless otherwise indicated by the standard O drawings or detail specifications, the electrical circuit of the light which is of other than ground potential, shall not be converted within the light to any conducting part which is exposed
31、 when the light is completelyassembled and closed, except the electrical connection(s of the light. 3.4 Construction. The lights shall be so constructed that no parts will loosen in service. They shall be built to withstand the strains, jars, vibrations and other conditions incident to shipping, sto
32、rage, installation and service. 3.5 Maintainability. The lights shall be so constructed that adjustments, repairs and lamp replacement can easily be made by the personnel of operating units and overhaul bases. 3.6 Performance. The lights shall perform satisfactorily when subjected to the test requir
33、ements of section 4. 3.6.1 Moisture and fungus-resistant treatment. Equipment shall be fungus proofed by selection of parts and materials as non-nutrient for fungus, or the parts and materials shall be so treated prior to their use in the equipment that overall spraying of the equipment is not neces
34、sary. 3.6.2 Interchangeability. All parts having the same manufacturers part number shall be directly and completely interchangeable with each other with respect to instal lation and performance. Changes in manufacturers part numbers shall be governed by the drawing number requirements of DOD-D-1000
35、. e 3.7 Weight. The weight of the light shall not exceed that specified on the applicable MS or AN standard. 3.8 Dimensions. The dimensions of the light shall be in accordance with the appl icable MS or AN standard. 3.10 Workmanship. The lights, including all parts and accessories, shall be so const
36、ructed and finished that it shall be free from all defects which would affect proper functioning in service. Particular attention should be given to neatness and thoroughness of soldering, wiring, marking of parts and assemblies, interchangeability, color of light, moisture and fungus resistant trea
37、tment and freedom of parts from burrs and sharp edges. 3.11 Low temperature. The lights, when tested in accordance with 4.7.3, shall operate wi thout fai 1 Ure. 3.12 High temperature. The lights, when tested in accordance with 4.7.4, shall operate without fai 1 Ure. I 3.9 Identification of product.
38、Each light shall be marked in accordance with MIL-STD-130. O 3.13 Sand and dust. The lights, when tested in accordance with 4.7.5, shall operate without failure. 3.14 Salt spray. The lights, when tested in accordance with 4.7.6, shall operate wi thout fai 1 Ure. 5 Provided by IHSNot for ResaleNo rep
39、roduction or networking permitted without license from IHS-,-,-MI L-L-6723C 3.15 Humidity. The lights, when tested in accordance with 4.7.7, shall 3.16 Vibration. The lights, when tested in accordance with 4.7.8, shall O operate wi thout fai 1 Ure. operate without failure. 3.17 Light output. The lig
40、hts, when tested in accordance with 4.7.9, shall operate wi thout fai 1 Ure. 3.18 Dielectric. The lights, when tested in accordance with 4.7.10, shall operate without fai 1 Ure. 3.19 Examination of product. The lights, when tested in accordance with 4.7.1, shall operate without failure and show no s
41、igns of structural degradation. 3.20 Operation. The lights, when tested in accordance with 4.7.2, shall operate without failure and show no signs of structural degradation. 4. QUALITY ASSURANCE 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the suppl
42、ier is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract or order, the supplier may use his or any other facilities suitable for the inspection requirements specified herein, unless disapproved by the Government. The Gov
43、ernment reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. 4.1.1 Responsibility for compliance. Al 1 i tems must meet all requirements of sections 3 and 5.
44、 The inspection set forth in this specification shall become a part of the contractors overall inspection system or quality program. The absence of any inspection requirements in the specification shall not relieve the contractor of the responsibility of assuring all products or supplies submitted t
45、o the Government for acceptance comply with al 1 requirements of the contract. Sampling in quality conformance does not authorize submission of known defective material, either indicated or actual, nor does it commit the Government to acceptance of defective material. 4.2 Classification of requireme
46、nts. The examination and testing of the lights shall be classified as follows: a. First article inspection. First article inspection consists of examinations and tests performed on samples which are representative of the production item after award of a contract to determine that the production i te
47、m conforms to the requirements of this specification (see 3.1, 4.4 and 4.4.1). b. Quality conformance inspection. Qual i ty conformance inspection consists of examinations and tests performed on individual products or lots to determine conformance of- the products or lots with the requirements set f
48、orth in this specification (see 4.5 and 4.5.1). O 4.3 Inspection conditions. Unless otherwise specified, al 1 inspections shall be.performed in accordance with the test conditions specified in 4.6. d - 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-
49、,-MIL-L-6723C 4.4 First article inspection. First article inspection shall consist of the fol lowing: a. Individual tests (see 4.5.1) b. Low temperature (see 4.7.3) c. High temperature (see 4.7.4) d. Sand and dust (see 4.7.5) e. Salt spray (see 4.7.6) f. Humidity (see 4.7.7) g. Vibration (see 4.7.8) h. Light output (see 4.7.9) i. Dielectric (see 4.7.10) 4.4.1 First article samples. Unless otherwise specified, as soon as practicable after the award of the co
