1、MIL-C-24 174A( SH) 2 October 1987 SUPERSEDING 29 September 1967 (See 6.8) MIL-C-24174(SHIPS) MILITARY SPECIFICATION CONTKO JAS, NAVIGATION LIGHTS, GEXERAL SPECIFICATION FOR This specification is approved ?or use within the Naval Sea Systems Command, Department of the Navy, and is available for use b
2、y a11 Departments and Agencies of the Department of Defense. 1. SCOPZ 1.1 Scope. This apeci?ication covers the general requirements for controls for flashing of navigational lights under conditions requiring sequence flashing (plsation) of these lights for signalling purposes. 1.2 Classification. Co
3、ntrols shall be of the types specified on the individual. specificat?on sheet. (see 3.1 and 6.2). 2. APPLICABLE DOCUMEWTS 2.1 Government documents. 2.1.1 Specifications and standards. The following specifications and standards form a part of this specification to the extent specified hereil. Unless
4、othercise specified, the issties of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplenient thereto, cited in the solicitation. I ReniS-icLaJ- comentc (recommendations, additions, deletions) and any pertinent data
5、 which may De of use in improving this docuinent should be addressed to: Coninandor, Naval Sea Systems Command, SEA 5523, Department of the Navy, Was Wngton, DC 20362-5101 by using the sei*-addressed Standardization Document Inprovernent Proposal (DD Porm 1426) appearing at the end of this document
6、or by letter. ,AlSC N/A FSC 6110 DISTRIBUTION STATEMENT A Approved for public release; distribution unlimited THIS DOCUMENT CONTAINS 1 PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-2LlL7qA bL MIL-C-24174A(SH) SPECIFICATIONS MILITARY MI
7、L-M-14 - Molding Plastics, and Molded Plastic Parts, MIL-S-90 1 - Chock Tests, %I. (High Impact); Shipboard Thermosetting. Machinery, Eqriipment and Systems, Requirements for. (Naval Shipboard Use). Naval Shipboard. Copper, General Specification for. Equipment. MIL-E-9 17 - Electric Power Equipment,
8、 Basic Requirements MIL-E-2036 - Enclosures for Electric and Electronic Equipment, MIL-T-7928 - Terminals, Lus : Splices, Condiictor : Crinp Style, MIL-P-15024 - Plates, Tags and Bands for IdentiEication of HIL-P-15024/5 - Plates, Identification. MIL-T-16366 - Terninais, Electrical Lug and Conductor
9、 Splices, MIL-E-17555 - Elactronic and Electrical Equipment, Accessories Crirop-Style. and Provisioned Items (Xepair Parts): Packaging of. XIL-E-24142 - Enclosures, for Electrical Fittings and Fixtiires, General Specification for. HIL-B-24142/4 - Enclosure, Subnerslble (15-Foot) Size 4 by 7. MIL-2-2
10、4142/5 - Enclosures for Electrical Fittings and Fixtures, Submersible, (15-Foot), Sizes 3R, 4R and 5R. MIL-C-24174/3 - Control (5linker) Key, Navigation Lights Symbol MIL-C-24174/4 - Controls, Pulsator, Submarine Identification Light, A.C. 125 Volts, Symbol No. 932. XIL-P-15037 - Plastic Sheet, Lami
11、nated, Thermosetting, Glass- C 1 o t h , :.le 1 amine -Res i n . NO. 978.2. STANDARDS FEDERAL FEU-ST3-H28 - Screw-Thread Standards for Federal Cervices. MILITARY MIL-ST9-167-1 - ?lechanical ViSrat ions of Shipboard equipment (Type I - Environmental and Type II - Internally Excited). Coaponent Parts.
12、 Criteria of Shipboard Equipment. and Acceptance Cri teria of Shipboard Equipment . YIL-STD-232 - Test Xethods for Electronic and Electrical MIL-STD-740-1 - Airborne Sound Measurements and Acceptance MIL-STD-740-2 - Structureborne Vibratory Acceleration Weasureinents Provided by IHSNot for ResaleNo
13、reproduction or networking permitted without license from IHS-,-,- -* MIL-C-2417qA 61 7777706 0087266 4 2 _z MIL-C-24 174A( SH) (Copies of specifications and standards required by contractors in connec- tion with specific acquisition functions should be obtained from the contracting activit-y or as
14、directed by the contracting activity.) 2.2 Other publications. The followi3g documents form a part of this speci- fication to the extent specified herein. Unless otherwise specified, the issues of the doculients which are DoD adopted shall be those listed in the issue of the DoDISS specified in the
15、solicitation. Unless otherwise specified, the issues of documents not listed in tne DoDISS shall be the issue o the nongovernment docu- ments which is current on the date of the solicitation. AWRICAN WELDXNG SOCIETY (AWS) Yelding Handbook (Application for copies should be addressed to the hmerican,W
16、elding Society, 550 N.W. LsJeune Road, Miaai, FL 33135.) NATIONAL GLECTIIICAL MANUFACTURERS ASSOCIATION (NEMA) ICs 5 - Enclosures for Industrial Controls and Systems. (Application or copies should be addressed to the National Electrical 14anufacturers Association, 2101 L Street, W, Washington, DC 20
17、037.) NATIONAL FIXE PROTECTION ASSOCIATION (NFPA) National Electrical Code. (Application for copies should be addressed to the National Fire Protection Association, Batterymarch Park, Qiincy, MA 02269.) UNIFORM CLASSIFICATION COMMITTEE AGENT Uniform Freight Classification Ratings, Rules and Regulati
18、ons. (Application for copies should be addressed to the Uniform Classifica- tion Committee Agent, Tariff Publication Officer, Room 1106, 222 South Riversie Plaza, Chicago, IL 60606.) (Nongovernment standards and other publications are noraally available from the organizations which prepare or which
19、distribute the documents. These documents also may be available in or through libraries or other informational services.) 2.3 Order of precedence. In the event of a conflict between the text OC this specification and the references cited herein (except for associated detail Specifications, speciEica
20、tion sheets or NS standards), the text OE this specifi- cation shall take precedence. Nothing in this specification, however, shall supersede. applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREclEiVTS 3.1 Specification sheets. The individual item requireaents s
21、hall be as specified herein and in accordaiice with the applicable specification sheet. the eveiit of any conflict between the requirements of this speciiication and the specification sheet, the latter shall govern. In Provided by IHSNot for ResaleNo reproduction or networking permitted without lice
22、nse from IHS-,-,-3.2 First article. When specified in the contract or order, a sample shall be subjected to first article inspection (see 4.3 and 6.3). 3.3 Materials. Materials shall be as specified (see 6.2). Materials not specified shall be of the best quality for the purpose intended. 3.3. i Rest
23、ricted material. 3.3.1.1 Cast iron. Cast iron (gray iron) or other brittle material shall not be used. 3.3.1.2 Flammable material. Flammable or explosive naterial, or material which can produce toxic or suffocating fumes, shall not he used. 3.3.2 Insulating materials. 3.3.2.1 Plastics, molded. Molde
24、d insulated parts shall conform to type XPI-20, MAI-60 or WlI-30 of MIL-H-14. 3.3.2.2 Plastics, laminated. Laminated plastic material shall be in accordance with MIL-P-15037. 3.3.3 Recovered materials. Unless otherwise specified herein, all equip- ment, materia1,and articles incorporated in the prod
25、ucts covered by this speci- fication shall be new and may be fabricated using materials prod.uced from recovered materials to the maximum extent practicable without jeopardizing the intended use. The term “recovered materials“ means materials which have been collected or recovered from solid waste a
26、nd reprocessed to become u soilrce of raw materials, as opposed to virgin raw materials. None of the above shall be interpreted to mean that the use of used or rebuilt products is allowed under this specification unless otherwise specifically specified. 3.4 Dimensional tolerances. The following tole
27、rances shall apply: (a) Fractional tolerances: plus or miiius 1/64 inch. (b) Decirnal tolerances: plus or minus 0.005 inch. Wider toserances will be permitted where interchangeability of parts, electrical or operational conditions are not affected, 3.5 Preparation of metal parts. Drilling, countersi
28、nkiqg or tapping of metal parts shall be accomplished before plating oc finish is appiied. 3.6 Threads. Threads shall be right-hand, class 2 and shall conform to FED-STD-HB8. 3.6.1 Locking devices. Locking devices shall be used to secure mechanical assemblies to provide continuous operation under co
29、nditions of heat, shock and vibration specified herein. 3.6.2 Self-tapping devices. Self-tapping devices and sheet metal screws shall not be :ised in the aasem5ly of these controls. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.7 Welding. Velding
30、 and allied processes used in fabrication shall be in accordance irith AiG Velding Handbook. 3.8 Stress relief. Metals used in fabrications and assernbly shall be treated or heat-treated to prevent deterioration or failure due to stresses or other conditions resulting from working, forming, welding
31、and so forth, during the fabrication process. relieving (see AVS Welding Handbook). Peening after welding is an acceptable method of stress 3.9 Junction boxes. The junction boxes shall be watertight and conform to MIL-E-24 142. 3.9.1 Submersible junction boxes. Submersible junction boxes larger than
32、 63 cubic inches shall have a moisture drain on the bottom. The opening shall be closed with a l/+inch or larger pipe plug. 3.9.2 Junction box configuration. Junction boxes shall be so constructed that a11 necessary cables of adequate size can be brought into the box through either top or bottom. 3.
33、 LO Limitations. 3.10.1 Size limitations. Controls shall be as small and light as practic- able, and shall be sufficiently rugged to withstand mechanical shock so that damage or distortion will not be of sufficient magnitude as to impair continued operation OE the control. 3.10.2 Mounting dimensions
34、. Mounting dimensions shown on specification sheets (see 3.1) shall be maintained and maximum overall dimensions shall not be exceed packed by level A or B and marked in accordance with MIL-E-17555. 6. NOTES 6.1 Intended use. The navigation light controls covered by this specifi- cation are intended
35、 for use with navigation light supply and control panels (see MIL-P-24175) on Navy ships. 6.2 Ordering data. Acquisition documents should specify the following: (a) (b) Type required (see 1.2). (c) Title, number, and date of applicable specification sheet (d) (e) Haterial required (see 3.3). (f) Pai
36、nting required, if other than as specified (see 3.13). (g) Level of preservation, packaging, packing and marking required if Title, number, and date of this specification, (see 3.1). When first article is required (see 3.2). other than as specified in 5.1 (see 5.2). 6.3 First article. When a first a
37、rticle inspection is required, the item should be a first article sample. The first article should consist: of one unit. The contracting officer should include specific instructions in acquisition documents regarding arrangements for examinations, approval of first article test results and dispositi
38、on of first articles. Invitations for bids should provide that the Government reserves the right to waive the requirement for samples for first article inspection to those bidders offering a product which has been previously acquired or tested by the Government, and that bidders offering such produc
39、ts, who wish to rely on such production or test, must furnish evidence with the bid that prior Government approval is presently appropriate for the pending contract. 6.4 Provisioning. Provisioning Technical Documentation (PTD), spare parts, and repair parts should be furnished as specified in the co
40、ntract. 6.4.1 When ordering spare parts or repair parts for the equipment covered by this specification, the contract should state that such spare parts and repair parts should meet the same requirements and quality assurance provisions as the parts used in the manufacture of the equipment. Packagin
41、g for such parts should also be specified. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - . MIL-C-24174A b1 m 7797706 0089274 3 m - ?4IL-C-24 174A( SH) I 6.5 Sub-contracted material and parts. The packaging requirements of referenced documents li
42、sted in section 2 do not apply when naterial and parts are acquired by the contractor for incorporation into the equipment and lose their separate identity when the equipment is shipped. 6.6 Replacement data. Controls covered in the associated specification sheets of this apecif cation replaces thos
43、e covered in the following drawing: Specification Sheet Drawing MIL-C-24174/3(SHIPS) replaces 9000-S5202-74272 6.7 Subject term (key word) listing. Pulsation Signals 6.8 Changes from previous issue. Asterisks are not used in this revision to identify changes with respect to the previous issue due to
44、 the extensiveness of the change s. US. GOVERNhlENT PRINTING OFFICE: 1987-505033/75770 k Weparing activity: - Navy - SH ( Project 6 1 10-N3 18) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-is - _-_ - - - - MIL-C-24174A b1 7777706 0087275 5 - MIL-C-24174A(SIIIPS) I 8 Q a =a I -m-3 I I I I I I I I L I I SECTION A-A SH 9268 FIGURE 1. Typical control (blinker) key. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
