1、MIL-R-21187C ( OS) 30 jsrr 1971 Superseding i5 April 1968 mL-R-21187( OS) MILITARY SPECIFICATION RELAY, SENSITIVE (For Torpedo Mark 37 Mods O, 2, and 3) This specification has been approved by the Nad Ordnance Systems Command, Department of the Navy 1. SCOPE 1.1 Scope. This specification describes t
2、he requirements for the procurement, inspection, and test of a double-pole, double-throw, sensi- tive electromagnetic gate relay of single coil construction, Drawing 815710 or 1155715. 2. API3ICABI;E DOCUMEKFS 2.1 The follaring documents of the issue in effect on the date of in- vitation for bids or
3、 request for proposal form a part of this specifice- tion to the extent specified herein. SPECIFICATIONS Federal O- S-642 Sodium Phosphate, Wibasic Anhydrous, Dodecahydrate, and Monohydrate, Technical QQ- C - 320 Chromium Plating (Electrodeposited) QQ-N-290 Nickel Plating (Electrodeposited) QQ- S- 3
4、6 5 Silver Plating (Electrodeposited) QQ-2-325 Zinc Plating (Electrodeposited) j Requirements for TI!-C-490 . Cleaning Methods and Pretreatment of Ferrous Surfaces for Organic Coatings Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-R-2L1187C 13
5、7777706 03011250 T m MIL-R-21187C( OS) TP-1-558 IXP-L- 58 TP-P-664 n-T-291 PPP-B- 621 Military m-p-116 MIL-M-3171 MIL- C- 5 541 MIL-P-8585 m-8625 m-15090 MIL-P-15328 1h1-16399 MIL-T-18404 MXL-E- 590 2 Ink, Marking, Stencil, Opaque, for Nonporous Surfaces (Metals, Glass, etc.) Lacquer, Spraying, Clea
6、r and Pig- mented Cellulose Nitrate (General interior Use) Primer, Coating, Synthetic, Rust- Inhibiting Lacquer Resisting Thinner, Paint, Volatile Minerai Spirits (Petroleum Spirits) Boxes; Wood, Nailed and Lock-Corner Preservation, Methods of Magnesium Alloy, Processes for Corrosion Protection of C
7、hemical Films for Aluminum and Aluminum Alloys Frimer; Coating, Zinc Chromate, Low Moisture Sensitivity Anodic Coatings for Aluminum and Aluminum Alloys Enamel, Equipment, Light Gray (Formu- la No. 11) Primer, Pretreatment (Formula No. il7 for Metals) Varnish, Moistureproof Torpedoes, kivironmental
8、Require- ments; General Specifications for e -. Environmental Requirements. and Tests (For Torpedo Mk 37 Components and Assenible s ) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-211187C 13 W 3999906 03011253 11 MIL-R-21187C ( OS) Militasy M
9、IL-SPD-O Definitions of, and Basic Require- ments for, Enclosures of Electric and Electronic Equipment MIL-SPD- Marking-for Shipment and Storage MIL-SPD-147 Palletized and Containerized Unit Loads, 40“ x 48“ Pallets, Skids, Runners, or Pallet-type Base DRAWINGS Naval Ordnance Systems Command mawing
10、815710 Drawing 1155715 Relay, Gate Relay ( Specification Control Drawing) PUBLICATIONS Naval Ordnance Systems Command os 6341 Miscellaneous General Ordnance Design Requirements (Copies of specifications, standards, drawings, and publications re- quired by contractors in connection with specific proc
11、ureme functions should be obtained fromthe procuring activity or as directed by the con- tracting officer. ) 2.2 Other publications. The following documents form a part of this specification to the extent specified herein. Unless otherwise ipdicated, the issue in effect on date of invitation for bid
12、s or request for proposal shall apply. National Bureau of Standards Publications Handbook 28 Screw-Thread Standards for Federal Services (Application for copies should be addressed to the Superintendent of Documents, Government Printing Office, Washington, D. C. 20402. ) 3 Provided by IHSNot for Res
13、aleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-ZLL87C 13 = 7799706 0303252 3 MIL-R-21187C( OS) 3. I3EQUI-S 3.1 Description. The senst when applied to other surfaces it shall be covered with lacquer, TP-L-, I!y-pe 1. Ink, n-1-558, when applied to an enamel surface, shal
14、l be 3i2.6.i mung data; nes o-the.i.siise specifid in the -contract .or order, or detailed in the applicable drayings, =king shall include the following: NAVORD drawing nuniber and revision letter; operating voltage; contact rating; coil resistance; manufacturers name; smol or trade mark; mariufactu
15、rers park or assembly number if desired; and schematic diagram. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-R-23387C 33 m 7777306 0303255 7 MIL-R-21187C ( OS) 3.2.7 Threads. Unless otherwise specified, all threads shall be in accordance wit
16、h National Bureau of Standards Handbook 28. fbt for threads shall be as specified on the applicabze drawings. The clL1 the performance requirements of this specification while undergoing the test specified in 4.5.3.4. 3.6.4 Pressure. The relay shall be subjected to the pressure re- quirements for co
17、nditions pertinent to durface and submarine launched weapons as specified in 4.5.4 and thereafter show no damage and meet the performance requirements and product characteristics of this specification. 3.7 Cleanup. Priok to and after final asseiiibly, ail pasts, components, and the assenibly shall b
18、e thoroughly cleaned of loose, spattered, or ex- cess solder, metal cMps, and other foreign matter. Burrs and sharp edges, as well as rosin flash, shall be removed. manner to ensure compliance with all requirements of this sp6cication. ticular attention shall be paid to neatness and thoroughness of
19、soldering, wiring, impregnation of coils, marking of pasts and asseniblies, plating, rPv- eking, machine screw asseniblage, welding, brazing, freedom of parts fromburra and sharp edges. The standards of workmanship exhibited in any approved pre 2 production sample, subject to any qualification state
20、d in the Governments YZO-. tice of approval, shall be determinative of the requirements of the contraliue at which the 4.4.4.7 Sensitivity Bom the Mues determined in 4.4.4.5 and 4.4.4.6, Sensi6ivity compute the operating an releasing sensitivity of the relay. shall be as specifie in 3.5.7. 4.4.4.8 o
21、pe rating and releasing tim. With the oscilloscope (4.4.3.7) or the saw tooth generator (4.4.3.8), test the relay for chatter and con- tact bounce and determine the operating and releasing time of the relay when operating at a rate of six transfers per second. meet the requirements specified in 3.5.
22、4 and 3.5.8. rate of the saw tooth generator (4.4.3.3.l) to obtain a voltage output rate of a maximum i5 volts per second and a minimum peak voltage of 20 volts, using the oscilloscope (4.43.7). coil and determine the transfer time on operate with the oscilloscope (4.4.3.7). normally closed contacts
23、 start to open until the normally open contacts are closed and all contact bounce has ceased. This time shall be less than 6 milliseconds, The relay shall 4.4.4.9 Transfer time on operate. Adjust th? output voltage and sweep Apply this voltage to the relay This the is the total elapsed the *om the i
24、nstant the 4.4.4.10 Visua and dimensional examination. Each relay shall be ex- amined to determine conformance with the requirements for worlnilariship and dimensions. 4.4.4.11 Packaging, packing, and mking. Packaging, packing, and wking shall comply with the requirements of Section 5. Provided by I
25、HSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-2L187C L3 W 7779706 030L2bll T W MTL-R-21187C ( OS) I o s U f- E W C a: 3 O s 2 il O l O a O O O In il I O W k a K v) w 16 Provided by IHSNot for ResaleNo reproduction or networking permitted without license f
26、rom IHS-,-,-MIL-R-LC ( OS) 4.5 Preproduction an periodic production inspection. Fe preproduc- tion and periodic production samples, after satisfactorily passing the quality conformance inspections detailed in 4.4, shall be sbjected to the following tests and examinations. Certified inspectioB data c
27、overing the results of preproduction and periodic production inspections shall be. forwaraea to the procuring activity. 4.5.1 Vibration 4.5.l.i Mounting. The relay, less pack or packaging, shall be mounted securely to a vibration device by means of its mounting holes and tested as specified in 4.5.1
28、.2 and 4.5.1-3. 4.5.1.2 Vibration, nonoperating. The relay SW be subjected to the “Vibration, nonoperating“ test of m-82590 and thereafter shall meet the requirements of 3.6.1.1. ?Vibration, operating test of m-82590 and during and thereafter shall meet the requirements of 3.6.1 2. 4.5.1.3 Vibration
29、, operating. The relay shal be subjected to the 4.5.i. 4 Vibration, transportation. The relay shall be subjected to the Vibration, transportation“ test of. m-82590 and thereafter shall meet the requirements of 3.6.1.3. 4.5.2 Shock, transportation. The relay shall be subjected to the “Shock, transpor
30、tation“ test df m-82590 and thereafter shall meet the requirements of 3.6.2, 4.5.3 Temperatme .and humidity 4. 5.3.1 High temperature and humidity, nonoperating. The relay shall be siibjected to “igh temperature and humidity, nonoperating“ test of m-82590 and thereafter shall meet the requirements o
31、f 3.6.3.1. 4.5.3.2 Eigh temperature, operating. The relay shall be subjected to the “High temperature, operating“ test of 1-82590 and, while at the test temperature, shall meet the requirements of 3.6.32. 4.5.3.3 Low temperature, nonoperating. The relay shall be subjected to the “Low temperature, no
32、noperating“ test of MIL-E-82590 and there- after shall meet the requirements of 3.6.3.3. the “Low temperature, operating“ test of MIL-E-82590 and, while at the test temperature, shall meet the requirements of 3.6.3.4 4.5.3.4 Low temperature, operi (f) Data required other than that specified in 3.2.1. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
