1、MIL-F-8256b 33 M 7777706 0363766 L M . - - 5. i ! , Mi-%- 12 September 1968 - -. - -. . . MILITARY SPECIFICATION FIRE CONTROL ASSEMBLY LD546992 (For Guidance Control Test Set Mk 443 Mod O and ;Mod 1) This specification has been approved by the Naval Ordnance Systems - Comand, Department of the Navy.
2、 - , I .* ._- 1. SCOPE Y 1.1 the Fire Control Assembly, LD546992, and BuWeps Dwg 2452630, herein referred to as “assembly. 1 (See 6.1 for description and intended use.) 2. 2.1 for bids or request for proposal form a part of the specification to the extent specified herein: This specification covers
3、the requirements for the procurement of APPLICABLE DOCUMENTS The following documents of the issue in effect on date of invitation . SPECIFICATIONS Federal PPP-B-636 Boxes, Fiber Military MIL-P-116 Preservation, Methods of MIL-S-901 Shockproof Equipment, Class HI (High . Impact), Shipboard Applicatio
4、n, Tests for MIL-E-16400 Electronic Equipment, Naval Ship and Shore: General Specifications .- I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-82566 (OS) STAhTDARDS Military I MIL-S TD - 12 9 Marking far Shipment and Storage MIL-STD-130 Ident
5、ification Marking of U. S. Military Property MIL-STD-167 Mechanical Vibrations of Shipboard Equipment DRAWINGS Bureau of Kaval Weapons LD546992 Fire Control Assembly 2452630 Fire Control Assembly DL2452605 Test Set, Guidance Control Torpedo Mark 443 Mod O DL25408 O0 Test Set, Guidance Control Torped
6、o Mark 443 Mod 1 (Copies of documents required by suppliers in connection with specific procure- ment functions should be obtained from the procuring activity or as directed by the contracting officer, ) 3. REQUIREMENTS 3.1 Preproduction sample. Unless otherwise specified in the contract or order, t
7、he preproduction sample shall; (a) Be manufactured using the procedures proposed for the production lot. . (b) Consist of one assembly. (c) Be tested as specified in Section 4 herein and is for the purpose of determining that , prior to starting production, the suppliers production methods are capab
8、le of yielding items that comply with the technical requirements of the contract. 3.2 Basic requirements 3.2.1 Contractor-furnished data. Data shall be supplied for preproduction and periodic production samples, however no data is to be furnished with the deliverable production lot, unless specified
9、 herein or in the contract or order. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-82566 13 m 777770b 03617b 5 m 1 MIL-Py82566 (0s) 1 3.2.2 Materials and treatments of materials and parts. Unless otherwise specified herein, or in the contract
10、 or order, all materials and treatments of materials and parts used in the manufacture of the assembly shall be in accord- ance with LD546992, Fungus nutrient material shall not be used, 3.3 Performance requirements. The assembly shall meet the following performance requirements when subjected to th
11、e tests of 4.5 , 4.6 and 4.7. 3.3.1 applied between P1-7 and Pl-13 (common. Input vol.tage. The assembly shall operate with 1-28. O *O. 1 vdc 3.3.2 Mode functions. The assembly shall provide the following functions: 3.3.2.1 than O. 5 vdc applied between P1-4 and Pl-12 .- the voltage between Pl-24 an
12、d Search depth indication. With a positive or negative voltage of less Pl-13 (commi) shall be 28. O 10. 1 vdc. The 28 volts may remain between Pl-24 and P1-13 (common) until the voltage between P1-4 and P1-12 increases to less than 2.5 vdc. 3.3.2.2 2.5 vdc applied between P1-4 and P1-12, the voltage
13、 between P1-10 and P1-13 (common) shall be 28. O -+O, 1 vdc. Search depth drive, With a positive or negative voltage of O. 5 to 3.3.2.3 than 0.5 vdc applied between P1-5 and P1-6, the voltage between P1-1 and P1-13 (common) shall be 28. O IO. 1 vdc. The 28 volts may remain between P1-1 and P1-13 (co
14、mmon) until the voltage between P1-5 and P1-6 increases to less than 2.5 vdc. Ceiling mode indication, With a positive or negative voltage of less 3.3,2.4 applied between P1-5 and Pl-6, the voltage between P1-2 and Pl-13 (common) shall be 28. O -+O. 1 vdc. Ceiling drive. With a positive or negative
15、voltage of O. 5 to 2.5 vdc 3.3.3 the dc output voltages between Pl-13 (common) and the following pins of Voltage divider outputs, With an input voltage, as described in 3,3,1, connector P1 shall be as follows: P1 Connector Pin 14 15 . 16 17 18 - 19 Output Voltage (vdc) +5.45 to t-5.75 +lo. 92 to +11
16、.48 +16.40 to +17.23 +21.84 to +22.96 +23.39 to+24.61 +19.49 to+20.51 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-2566 13 7797706 O363769 7 P1 Connector Pin Output Voltage (vdc) 20 +15.59to+16.41 21 +11.69 to +12.31 22 . +7.79 to 43.21 23
17、 t-3.89 to 4.11 3.3.4 pins of assembly connector P1 shall be as follows: Resistance, The resistance from the assembly test points to the From Assembly To Connector Resistance Test Point P1 Pin . (Ohms) TP1 7, 8 . 0.5 max TP2 10, 11 0.5 max TP3 24 0.5 max TP4 13 0.5 max TP5 1 0.5 max I r TP6 2, 3 0.5
18、 max 3.4 Environmental requirements. Unless otherwise specified the assembly, when installed in the test set, shall be capable of conforming to the performance and product characteristics of this specification, during and after exposure, at any temperature in the applicable range, to the environment
19、al requirements under all conditions specified in this section. 3.4.1 Vibration (see 6.3.1). When rigidly mounted the assembly shall be capable of withstanding the type I vibration specified in Standard MIL-STD-167, except that the variable frequency and endurance test requirements shall be as follo
20、ws: The assembly in operating condition shall be vibrated from 5 to 15 cps at a half peak amplitude of O. 030 therefore, there shall be IZO saiipling plan for acceptance. Defecthe mits shall be rejecred. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-
21、,-MIL-F-25bb 13 7977906 03b1772 7 M 4.4 Test conditions. Unless otherwise specified, the assembly shall be subjected to tests under the following conditions: (a) Temperature Room ambient (60 to 95 degrees F) (b) Humidity (Relative) Room ambient, up to 95 percent (c) Altityde Normal ground atmospheri
22、c pressure 4.5 Preproduction tests. The preproduction sample shall be subjected to the environmental tests of 4.5.2. Priur to and immediztely after the pre- production tests, the assembly shall be subjected to , and satisfactorily com- plete, the quality conformance tests and examinations of 4.7. Ce
23、rtified inspec- tion data covering the results of preproduction tests shall be forwarded to the procuring activity. Certified inspection data shall consist of the following: (a) Date of tests and names of persons conducting tests. (b) Test plan. (c) Serial number of the assembly. (d) Results of prep
24、roduction tests (4.5.2 through 4.5.3). 4.5.1 Preproduction test equipment. The following items of test equipment are required to perform the preproduction tests specified herein: (a) A vibration tabie capable of applying vibration as specified herein. (b) A shock testing machine capable of applying
25、shocks specified herein. (c) A humidity-temperature chamber capable of applying the humidity, temperature, and life tests specified herein. . (d) Mounting fixture as shown in figure 1. (e) Items of test equipment specified in table I. 4.5.2 Environmental tests 4.5.2.1 Vibration. Install the assembly
26、 in the mounting fixture and rigidly attach the mounting fixture to the vibration table. Vibrate the assembly in accordance with vibration schedules contained in Standard MIL-STD-167, with exceptions specified in 3.4.1, 4. S. 2.2 attach the iiioiuiting fixture to the shock test machine, Suhject the
27、assembly to tlic iiieclinnicnl slioclr schedule contained in Specification MIL-S-901 with esxptioiis as spccicd in 3.4.2. Shock. Install the assembly in the mounting fixture and rigidly Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-KIL-F-82566 (OS)
28、 NOTE: USE 5/16 INCH ALUMINUM. I -ASSEMBLY TO TEST FIXTURE Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-F-82566 13 9799906 0363974 O W _ MIL-F-82566 (OS) 4.5.2.3 Temperature. Subject the assembly to temperature tests, both operating and nonop
29、erating, as spec!ied in Specification s need not be subjected to the temperature tests of 4.5.2.3. 4.6.2 Periodic production tests. After satisfactorily passing the quality conformance tests and examinations (4.7), each odd-numbered periodic pro- duction sample shall be subjected to vibration tests
30、(4.5.2. l) and temperature tests (4,5,2.3), and each even-numbered periodic production sample shall be subjected to shock tests (4.5.2.2) and humidity tests (4.5.2.4). In addition to the vibration and temperature tests, the first, the fifth, and every fifth periodic production sample thereafter shal
31、l be subjected to accelerated life tests (4.5.2.5). Unless otherwise specified, the sample shall be deemed a defective unit if, subsequent to the periodic production tests it does not pass the quality conformance tests and examinations. 4. i Quality conformance tests and examinations. Unless otherwi
32、se mecified. each assemblv delivered under contract shall be subjected to the tests andexaminations specified herein. A report form is proiided in the appendix for recording quality conformance test data. 4.7.1 examination or test of this section will automatically classify the unit as non- conformi
33、ng. When nonconforming units are corrected by the contractor, the unit shall be reinspected. The reinspection of a nonconforming unit may be limited to the test or examination which defined the nonconformance or, when so directed by the cognizant inspector, a complete re-examination and retest of th
34、e unit may be required. will be cqnsidered for acceptance only upon formal application by the contractor to the procuring activity via the cognizant Government representative, Acceptance criteria. Failure of the end product to pass any Nonconforming units, which have not been corrected, 4, .2 in tab
35、le I are required to perform quality conformance tests specified herein. .U1 items of test equipment shall be of sufficient accuracy md precisio!i ” Quality conformance test equipment. Items of test equipment listed 2- - - - / Provided by IHSNot for ResaleNo reproduction or networking permitted with
36、out license from IHS-,-,-MIL-F-2566 13 9999906 0361975 2 MIL-F-82566 (OS) permit valid performance of required tests. Test instruments shall be calibrated at regular intervals. Procedures for and results of all calibrations shall be subject to approval of the cognizant Government Inspector, Items ha
37、ving equiv- alent characteristics may be substituted where necessary. Verify tbat all test equipment used is identified as being within calibration. Table I Quality Conformance Test Equipment Item Regulated DC Power Supply (2 required) (Output: O to 30 vdc; O to 150 ma; Load Regulation Less than O.
38、3% from O to 150 ma.) Multimeter (Resistance Range: O to 20 megohms; Accuracy: Within 3“ of arc on resistance scale.) Digital Voltmeter (Range: O. O01 to 999.9 izdc; Accuracy: “ TP2( 4 U components or parts missing. (b) Unauthorized material used or unauthorized repairs made. (c) Dents, scrapes, nic
39、ks, bent pins, poor electrical connections, or any other damage as determined by the procuring activity. (d) Receptacles do not accept mating plugs. (e) Identification markings missing, located incorrectly, illegible or incomplete. 5. PREPARATION FOR DELIVERY 5.1 Preservation and packaging. Preserva
40、tion and packaging shall be Level A or C as specified (see 6.2). 5.1.1 Level A 5.1.1.1 Cleaning, Cleaning, if necessary, shall be in accordance with process C-1; and drying, if required, shall be in accordance with procedure D-1 or D-4 of MIL-P-116. 5.1.1.2 accordance with Method IIb of Specificatio
41、n MIL-P-116. The unit package shall contain one assembly in fiberboard containers, The outer container shall be in accordance with Specification PPP-B-636; Style RSC; Type CF; Class - Weather resistant; Variety SW; Grade V3c. Unit packaging. Unit packaging of the assemblies shall be in 5.1.1.3 inter
42、mediate package. Not applicable. 5.1.1.4 . Cushioning. The unit package, and pack, shall incorporate sufficient cushioning material, bracing, or other adequate shock absorbing devices, to assure that the assembly will meet all the requirements of Section 3 after trans- portation. Cushioning material
43、 and packaging procedure shall be such that the assembly shall not be contaiminated with dust or foreign materials. At the time of packaging or packing, the moisture content of the cushioning material shall be no more than 5 percent, The pH range of the material shall be between 6. O and 8. O, o. 1.
44、2 Level B. Not applicable. 5.1.3 Level C. Cleaning, drying, preservation and packing shall he ir- accordance lvith the suppliers commercial practice when such practices are approve6 by the procuring activity. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from I
45、HS-,-,-MIL-F-82566 33 7797706 0363780 b 5.2 Packing 5.2.1 Level A 5.2.1.1 Exterior containers. Assemblies packaged as described in 5.1.1.2 shall be packed in a fiberboard container in accordance with Specification PPP-B-636; Style RSC; Type CF; Class - Weather resistaiit; Variety SW; Grade V3c. Exte
46、rior containers shall contain the number of unit packages specified in the contract or order (see 6.2) or in the event no quantity is specified, the number of unit packages packed shall be at the option of the contractor. 5.2.2 Level B. Not applicable. 5.2.3 Level C. Assemblies packaged in accordanc
47、e with 5.1 shall be packed to afford protection against damage durhg direct shipment from the supply source to the first receiving activity for immediate use, Shipping con- tainers shall conform to the carrier rules and regulations applicable to the mode of transportation. 5.3 Marking 5.3.1 or order
48、, unit packages and shipping containers shall be marked in accordahce with the requirements of MIL-STD-129, including serial numbers, Normal markings. in addition to the markings required by contract 6. NOTES 6.1 Description and intended use 6.1.1 Description. The assembly contains provisions for ch
49、ecking the positioning of the search depth and ceiling mode stepper switches in the automatic pilot. 6.1.2 Control Test Set Mark 443 Mod O and Mod 1, used to verify compliance with performance requirements of the Torpedo Mark 46 at Fleet level. Intended use, The assembly is an integral part of the Guidance 6.2 Ordering data. Procurement documents shall specify the f
