1、MIL-1-373039 b3 777770b 0237034 b 9 MIL-I - 173 OlB(SH1PS) 7 April 1965 SUPERSEDING 5 July 1957 (See 6.5) MIL-I- 173OlA(SHIPS) MILITARY SPECIFICATION INDICATOR, SHIPS DISTANCE-SPEED 1. SCOPE 1.1 Scope. - This specification covers speed indicators and distance indicators for use with underwater log s
2、ystems on Naval ships. Classification. - Indicators shall be of the following types as specified (see 6.2): 1.2 Type I - Speed O - 40 knot. Type II - Speed O - 25 knot. Type III - Distance 360 revolutions per nautical mile input. Type IV - Distance 60 revolutions per nautical mile input. 2. APPLICAB
3、LE DOCUMENTS 2.1 The following documents of the issue in effect on date of invitation for bids or request for proposal form a part of the specification to the extent specified herein. SPECIFICATIONS FEDERAL QQ-A-601 - Aluminum-Alloy Sand Castings MILITARY MIL-T-27 - MIL-1-983 - MIL-M-15071 - MIL-P-1
4、5137 - MIL-E-17362 - STANDARDS MILITARY MIL-STD-167 - MIL-STD-202 - MIL-STD-740 - Transformers and Inductors (Audio, Power, and High Power Pulse) General Specification for Interior Communication Equipment, Naval Shipboard, Basic Design Require- ments for Manuals, Equipment and Systems Provisioning T
5、echnical Documentation for Repair Parts for Electrical and Mechanical Equipment (Naval Shipboard Use) Electronic Repair Parts Requirements, Procedures for Provisioning Technical Documentation and Stock Numbering Mechanical Vibrations of Shipboard Equipment Test Methods for Electronic and Electrical
6、Component Parts Airborne and Structureborne Noise Measurements and Acceptance Criteria of Shipboard Equipment ! Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-I-17302B b3 9 999790b 0237015 8 W MIL-I- 173OIB(SHIPS) DRANINGC BUREAU OF SHIPS 9000-S
7、6504-73687 - Dial Markings for IC Order and Indicating Systems (Copies of specifications, standards, drawings, and publications required by suppliers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer. ) 2.2 Othe
8、r publications. - The following documents form a part of this specification to the extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids or request for proposal shall apply. U. S. NAVAL ENGINEERING EXPERIMENT STATION Report No. 060025 - Proposed Spec
9、ifications for the Illumination of Interior Communication Instruments and Other Visual Display Systems. (Application for copies should be addressed to the U. S. Navy Marine Engineering Laboratory, Annapolis, Md. 21402. ) OFFICIAL CLASSIFICATION COMMITTEE Uniform Freight Classification Rules (Applica
10、tion for copies should be addressed to the Official Classification Committee, 1 Park Avenue at 33rd Street, New York 16, N. Y.) AMERICAN SOCIETY FOR TESTING MATERIALS (ASTM) U26 - Aluminum-Base Alloy Sand Castings (Application for copies should be addressed to the American Society for Testing Materi
11、als, 1916 Race Street, Philadelphia 3, Pa. ) AMERICAN STANDARDS ASSOCIATION (ASA) B5.20 - Machine Pins B17f - Woodruff, Keys, Keyslots, and Cutters B18.1 - Small Solid Rivets B18.2 - Square and Hexagon Bolts and Nuts B18.3 - Socket Cap, Shoulder and Set Screws B18.6 - Slotted and Recessed Head Screw
12、s, Machine and Tapping Types B18.6.2 - Hexagon Head Cap Screws, Slotted Head Cap Screws, Square Head Set Screws and B18.6.4 - Slotted and Recessed Head Tapping Screws and Metallic Drive Screws B27.1 - Lock Washers . B27.2 - Plain Washers Slotted Headless Set Screws (Application for copies should be
13、addressed to the American Standards Association, 10 East 40th Street, New York, N. Y., 10016. ) (Technical society and technical association specifications and standards are generally available for reference from libraries. 3. REQUIREMENTS 3. 1 They are also distributed among technical groups and us
14、ing Federal agencies. ) Qualification. - The speed and distance indicating equipment furnished under this specification shall be products which have been tested and passed the qualification tests specified herein and have been listed on or approved for listing on the applicabIe qualified products li
15、st. I 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-I-1730LB b3 9 993990b 023701b f W MIL-I- 17301B(SHIPS) 3.2 Description. - 3.2. 1 3.2.2 Speed indicators shall indicate by means of a single dial and single pointer positioned by a type 23TR6
16、a synchro the speed being transmitted by the underwater log system over the range designated in 1.2. Distance indicators shall indicate by means of a 6 digit counter driven by a type 23TR6a synchro the distance being transmitted by the underwater log system from 0000.00 to 9999.99 nautical miles in
17、ac- cordance with the input for the type designated in 1.2. 3.2.3 application consistent with the requirements noted herein. 3.2.4 production. The equipment shall be sturdily constructed of a grade of material adequate for each specific The design, layout, and assembly of the unit and their parts sh
18、all be such as to facilitate quantity Jigs shall be used to position parts during welding and assembly operation. 3.3 General Features: The equipment shall be in accordance with the following paragraphs of MIL-1-983 in addition to the requirements specified herein. requirement of this specification.
19、 the requirements of this specification shall govern. ) (Whenever a requirement of MIL-1-983 conflicts with a General requirements Definitions Materials, general Substitution of (equal or superior) materials or parts Fungus-inert materials Unacceptable materials Acceptable materials Flammable materi
20、als Arc-resistant materials Toxic materials Wood Metals Aluminum M.ignesium Iron and steel Nonferrous material (except aluminum) Zinc Springs (material) Other metals Plastics Ceramics Impregnating, emhedding and encapsulating compounds Glass Lubricants and lubrication Painting Protection against cor
21、rosion Bolts, machine screws, studs and nuts Parts - mechanical Gaskets Dials and pointers Dial sizes Locking devices Washers Bali bearings Parts - electrical - general Use of nonstandard parts Variable resistors Transformers Synchros Synchro electrical zero and equipment mechanical zero Electrical
22、tapes Dial illumination lamps Switches I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-I-1730LB 63 - 7397906 02370113 I m MIL- I - 173 O lB(SH1PS) Indicator lights and lampholders Enclosures - general Enclosure - accessibility Enclosure - degre
23、e of Enclosure - mounting Stiffening grooves Minimum sheet metal thicknesses Through bolting Cable entrance Ventilation Size (for submarines and surface ships) Threaded devices Rounded corners and edges Internal subassembly protection Drilled and tapped holes Welding Temperature and humidity Extreme
24、 temperature for exposed location Accelerated life Salt spray Shock, vibration and inclination (3.7) Features-electrical Primary power supply circuits Power supply tolerances Personnel protection Shielding and radio frequency noise reduction Ground potential and grounding Soldering Electrical parts
25、mounting Internal subassembly connection (Test cable required) Terminal boards connectors and terminals Synchro connections and markings Wiring Color coding Dial illumination Electrical insulation Dielectric strength and insulation resistance clearances Drawings - general Drawings - preliminary Draw
26、ings - working Schematic diagrams Wiring diagram Drawing list Assembly drawings Drawings - manufacturing Bill of materials Interchangeability and standardization Manuals Repair parts Designation and marking (Serial numbers are required) Reports Item names and nomenclature Workmanship and general exa
27、mination 3.4 Detail features. - 3.4.1 Speed indicators (types I and U). - 3.4.1. 1 The indicator shall receive synchro signals at the rate of 9 degrees pkr knot for type I indi- cators or 14.4 degrees per knot for type II indicators and convert these signals to indications of speed by means of a typ
28、e 23TR6a synchro directly coupled to the hub of the pointer. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-I-lt730LB b3 D 999990b 0237018 3 = 3.4.1.2 Location of dial markings and numerals shall be in accordance with figures 16 and 17 and She
29、et 7 of Drawing 9000-S6504-73687. All markings shall be white on a dull black background except as noted herein. 3.4.1.3 The dial shall be 4 inches in diameter and shall have “Duo-Panel“ type internal red and white illumination in general accordance with U. S. Naval Engineering Experiment Station Re
30、port No. 060025 of 24 July 1953. Provisions shall be made to prevent the escape of white light. The dial shall be readily re- movable in order to permit interchangeability. 3.4.1.4 Variation of illumination intensity. - A dimmer rheostat shall be provided which shall vary the voltage on the lamps fr
31、om O to full voltage. The rheostat shall vary the illuminations from approximately a luminance of O. 05 to 02.5 foot-lamberts. Maximum voltage applied to the lamps (6.3 v. from a transformer incorporated in the equipment) shall be less than the voltage rating of the lamp. 3.4.1.5 Enclosure. - The en
32、closure shall be watertight -foot head) and shall be fabricated of 356 T-6 cast aluminum alloy conforming to Publication ASTM B26 or Class 3M, T-6 cast aluminum in accordance with QQ-A-601. The enclosure shall have universal type (panel or bulkhead) mounting with overall dimen- sions no greater than
33、 8-3/4 inches high by 7 inches wide by 6-3/4 inches deep. An “O“ ring seal shall be provided between the case and the cover with the “O ring groove so designed that the “O“ ring cannot be removed from the groove without force. The weight of the indicator shall not exceed 15 pounds. 3.4.2 3.4.2.1 Dis
34、tance indicators (types Lu and IV). - Indicators shall receive synchro signals at the rate of 360 revolutions per nautical mile for type ILI or 60 revolutions per nautical mile for type IV indicators and convert these signals to indications of distance by means of a type 23TR6a synchro directly gear
35、ed to a 6 digit counter. 3.4.2.2. The counter shall have at least 1/4 inch numerals. Numerals to the left of the decimal point shall be white on a du11 bIack background; numerals to the right shall be black on a dull white background. 3.4.2.3 The numerals shall have red and white iIIumination by mea
36、ns of “across the face“ illumination which shall be obtained by means of white sources with and without red filters. Provisions shall be made to prevent white light from escaping. 3.4.2.4 v. - Illumination intensity and enclosure shall be in accord- ance with 3.4.1.4 and 3.4. 1.5. 3.5 Manual inserts
37、. - Manual inserts shall be suitable for insertion in interior communication tech- nical manuals, tihall contain the information required by MIL-M-15071 and shall be of the same format and size; however, no binding is required. Accelerated life. - The units shall satisfactorily withstand the acceler
38、ated life test (endurance) 3.6 specified in 4.5.3. 3.7 Shock, vibration and inclination. - The units shall satisfactorily withstand without mechanical or electrical damage which would cause malfunctioning or inoperation method 207 shock in accordance with MIL-STD-202, vibration tests (vital), type I
39、 in accordance with MIL-STD-167, and inclination tests of 60 degrees from vertical in any direction, that is, forward, backward, left or right. 3.8 Corrosion-resisting steel hardware items. - External hardware items such as nuts, screws, bolts and lockwashers shall be of nickel-copper alloy. 3.9 Scr
40、ews, bolts, nuts, washers, pins and other hardware items. - All screws, bolts, nuts, washers, pins and other hardware items shall be in accordance with Publications ASA B5.20, B17f, B18. 1, B18.2, B18.3, B18.6, B18.6.2, B18.6.4, B27.1 and B27.2, as applicable. 3.10 Magnetic permeability of component
41、s. - Except for those applications where the function of the component requires the use of magnetic material, all components shall use non-magnetic materials. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-1-173016 b3 D 939990b 02317039 5 MIL-
42、I - 173 O 1B( SHIPS) 3. 11 m. - No special tools shall be necessary for assembly, disassembly or maintenance of the equipment reerenced herein. Special tools are defined as those tools not listed in the Federal Supply Catalog. (Copies of this catalog may be consulted in the office of the Government
43、inspector. ) 3.12 Transformers. - Transformers shall be in accordance with grade 5, class S of MIL-T-27, and shall have a life expectancy X. 3. 12. 1 Insulating electrical windings. - Electrical windings shall be thoroughly treated 01 impregnated by a method which will ensure the evacuation of all a
44、ir and water from, and the filling in of all interstices within such windings. The liquid insulation used shall have such characteristics and be so applied as to ensure thorough drying, solidification, or curing througholit the innermost recesses of the windings. 3.13 Electrical tapes. - Electrical
45、tapes of the best commerical grade of acetate film; glassfiber or polyethylene only shall be used. be used. Fabric or textile pressure-sensitive (adhesive or friction) tape shall not 3.14 Painting. - Case enclosures shall be completely painted as specified in 3.14.1 through 3.14.4. 3. 14. 1 Cleaning
46、. - After all machinery, welding and brazing operations are completed, the interior and exterior surface of all metal enclosures shall have all rust or other visible corrosion products removed, and shall be thoroughly cleaned of all grease, oil, and dirt by solvent wiping, vapor degreasing, or caust
47、ic washing and rinsing. 3.14.2 Undercoat and finish. - One coat of zinc chromate primer followed by two coats of high grade semi-gloss light gray equipment enamel shall be applied. The anodizing, primer, and enamel coats shall be applied in accordance with the best commerical practice. 3.14. n Prote
48、ction against corrosion. - All metal parts shall be of suitable corrosion-resisting ma- terials or other materials treated in a satisfactory manner. 3.14.4 Corrosion-resisting treatments. - The corrosion-resisting treatments shall be in accordance with those specified herein. In each case the treatm
49、ent shall be accomplished in accordance with the best commercial practices. (a) Zinc coating (hot dip galvanizing) for parts other than threaded fasteners, unless otherwise (b) Electroplating of zinc for surfaces not to be painted and for externally threaded parts. (c) Electroplating cadmium for surfaces not to be painted and for externally threaded parts. (d) Electroplating of chromium for general application. (e) Anodic treatment of aluminum. (f ) Lubricant and lubrication. With the
