1、9 s- - ML-C-22312B( OS) . 9 Septenber 1970 16 September 1966 -/ Superseding . e I- _I _ MIL-C-22912A( OS) 5 r. . :- g mLiTmY ECICON $= . _- -. - -.- CONTROLLER, SlrEERING (For Torpedo Mark 37 Mod 2) This sp6cificatSon has been approved by the Daval Ordnance Systems Comaad, Departmmt of the Navy 1, S
2、COPE- . 1.1 Scope. This specification establishes the requirements for the . procurement of a steering con-broller, LD 539991. is used to order directiond. changes in horizontal (azimuth) heading of a torpedo. The steering controller 2, A?LICABLIF, DOCUMENTS 2.1 The following documents of the issue
3、in effect on the date of in- 73tation for bids or request for proposal form a part of this specifica- “Sion io the.extent specified herein. SFEK!IRCA!IONS Military MIL-P-116 Preservation, Nethods of * General Specification for Enviromental Requirements and-Tsts (For Torpedo rMk 37 Components and Ass
4、emblies ) pment and Storage THIS DOCUMENT CONTAI NS.L!-PAGES Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-L 0b 0302865 8 / MIL-C-22712B 13 -. :EL-C-22912E( OS) :ail- STB-i47 DRAWINGS Kava oranance Systems command LD 539991 m 620008 DIG 2239924 Pae
5、tiied and Containerized unit Loaas, 40“ x 48“ Pallets, .Skids, Runners, or Pallet-Type Base . -. Steering Controller Assezbly shipping (Packing) Condition (for one Steering Controller) Wiring Diagram (Copies of specifications, stanamis, drawings, an publications re- quested by.contractors in connect
6、ion with specific procurement functions should be obtained from the .procuring activity or as directed by the con- tracting officer e ) 2.2 Other publications. The following dociiments form a part of this speciTication to the extent specified herein. UrLLess otherwise indicated, the.issue in effect
7、on date of invitation for bids or request for proposal shall apply, . IUTIOXAL BIJXEAU OF SImmS PUBLICAIJ?IONS Rasabook 1328 . Screw-Thread Standards for the Federal Services (Application for copies should be addressed to tne Sirperintendent of 3. ma;UImms Documents, Government Printing Office, Wash
8、ington, D. C. 20402.) * 3.1 Description. The steering ControlleP, LD 539991, consists pri- wily of a step positioner mechanically coupled to a synchro control differentia2 transmitter. positioner cause rotation of the step positioner and control transfomer shafts in accurate increments of two degree
9、s. forneraccepts electrical signals from the syncnro pick-off of a cowse gro. %e signal is modified by the angular mec?nical position of the control transformer sha2-t; so that tne output or %he contxol transfomer my be used to order directional changes in horizontal (azimuth) heading. Direct curren
10、t pulses applied to the step Tne synchro control trans- 2 .- . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-229128 13 m 999990b O302866 T o Mu;-C-22912B( OC) .3.2 . 302.7 Threads. Unless otherwise specified, ali threads shall be in mung of a
11、ssemblies,. sibassembies, and pmts shaU be in accordance vith the applicable drawings listed in Ul 539991. accordance with National Bureau of standmds Handbook Ei280 fit for threads shall be specified on the applicable drawings. The class or 30208 Conflicting reauirementso Conflicting requirements a
12、rising be- tween Vibration, nonoperating. The steering controller .shall show no danaage and shall meet all the performance requirements and product charac- teristics of this specification after being tested as in 4.4.1.2. 3.4.1.2 ViSraiion, operating. The steering controller shall show no dsirasr:
13、and shall Beet a31 the performance requirements and product char- acteristics or this specification during and after the test specified in rC. lc, 1.3. 3 . 4.2 3.4.2.1 High temperature and humidity, nonoperating. The steering con- troller shall show no damage ami shall meet all the performance requi
14、re- ments and product characteristics of this specification after being tested as in 4.4.2.1. Temerature and humidity Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-o 1L-C-223123( os) 3.4.2.2 High temperature, operating The steering controller shall
15、 , be capable of meeting all the performance requirements of this specifica- tion whSle undergoing the test specified in 4.4.2.2. . 3.4.2.3 Low tenperature, nonoperating. The steering controller shall . meet ail the performance requiremen-bs and prcuct charac%eristics of this- specification after be
16、ing tested as in 4.4.2.3. capable o? meting allthe performance requirements of this specification while undergoiE the test specified in 4.4.2.4. shall be thoroughly cleaned of loose, spattered, or excess.solder, metal chips, and other foreign matter. Bums and shwp edges as well as rosin flash shall
17、be removed. 3.4.2.4 Low temperature, operating. The steering controller shall sje . 3.5 CbemuE. Prior to and after fina asseay a steering contrers 3.6 Iorkmanship The steering controller, incuding aU. pazts and ac- . cessories, shall be constructed and ginisheti in a manner to ensure that it complie
18、s with ail requirements of this specification. tion shall be paid to neatness and thoroughness of soldering, wiring, ia- pregnation of coils, masking of parts and assedjiies, plating, painting, riveting, machine screw assemblage, welding, brazing, and freedom of parts from burrs and sharp edges. Par
19、ticillm atten- The standards of workmanship exhibited in ahy approved preprouction sample, sub,ject to any qualification stated in the governments notice of asproval, shall be determinative of the requirements of the contract relative to workmanship insofaz as not specificaily covered by applicable
20、specifications . 4. QUALSTY ASSURANCE PROVISIONS 4.i Responsibility for inspection. Unless otherwise specified In the contract or purchase order, the supplier is responsible for the perform- ance of ail inspection requirements as specified herein. wise specified in the con-brac-i; or order, the supp
21、lier may use his own or any oyner Tacilities suitable for the performance of the inspection re- quirements specified herein, unless disapproved by the Govermen%. The Govermen% reserves the riC;ht to perforai any 02 the inspections set forth in %ils specification where such inspections are deemed nec
22、essary to assure supplies and services conform to prescribed requirements. 4.2 ;lassification of inspections. Inspection of the steering control- Except as other- ler shall be classified as follows: (a) Preproduction inspection (paragraph 4.4) I Provided by IHSNot for ResaleNo reproduction or networ
23、king permitted without license from IHS-,-,-MIL-C-22912B 13 997740b 03028b7 5 :.zL-c-szB( os) (O) (c-) Quality confomnance inspection (pwagraph 4.5) Periodic production inspection (paragraph 4.4) 4.3.1 Preproduction. A preproduction sample of five steering conkrol- lers, manufactured in accordance w
24、ith 3.2.2, shall be subjected to the. preproductiion tests detailed in 4.4 at an activity designated by the-pro- curing activity. Acceptance of the preproduction sample shall be based on no defects in the sample. Further production of the steering control- ler by the supplier, prior tothe approval o
25、f the preproduction sample, shall 3e at the suppliers risk. 4.3.2 Lot size. Uness otherwise specified in the contract or order, each s:Mpment of units of product shal be a separate “inspection lot“ ad my difler.komthe quantity specified in the total ordep or contract. In any event, all units of a si
26、ngle “inspection lot“ shal be made to tne SECX design, with the same materials and manufacturing techniques, and. s-a be part Qf one continuous production run. 4.3.3 Periodic pyoduction samples. From each succeeding lot or grand . lot of 3.or less that have passed the qudity conformance inspection o
27、f G.5, a random sample of five steering controllers will be selected for submission to an activity designated by the procuring activity to deter- aine coxglisnce of the samples wtththe requirements of the contract, specification, &na drawings. satisfactory if they meet all specification and pertinen
28、t drawings re- quirements and withs%and the Cests specified in 4.4 and 4.5. the periodic production sample to comply with these requirements wl re- sult in the rejection of the lot, as determined by the procuriw activity. 4.4 Preproduction and periodic prouction inspection. The preproduc- %ion sna p
29、eriodic production samples, after satisfactorily passing the . qALity conformance inspections detailed in 4.5, shall be siib jected to the 22155 testis and examinations. :ts&ts f preprodwtion and periodic production inspections shall be for- .ra-deC ko %!le proc-ming activity. The steering controlle
30、rs shall be considered Failure of Certified inspection data covering the 4.4.1 Vibration 4.4.1.1 Plomting The steering controller, less pack or packaging, shXi15e moun%ed by means of its mounting holes and tested as specified in 4.4.1.2 and 4.4.1.3. Provided by IHSNot for ResaleNo reproduction or ne
31、tworking permitted without license from IHS-,-,-MIL-C-22912B 13 W 799770b 0302870 1 W - - I . rnL-C-2291&( os) 4.4.1.2 Vibration, nonop&ating. The steering controller shall be subjected to -*-. ) .-1 _- u Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
