1、E MIL -S - 18347A(SHIPS) 28 May 1956. S UPEWEDING 28 December 1954 MIL-S- 18347 (SHIPS) MILITARY SPECIFICATION SOUND MEASURING SET, MK 4 1. SbOPE 1.1 This specification covers a sound measuring set, mark 4, for use in measuring the output of acoustic minesweeping devices. 2. APPLICABLE DOCUMENTS 2.1
2、 The following specifications, standards and drawings, of the issue in effect on date of invitation for bids, form a part of this specification: SPECIFICATIONS FEDERAL Q.Q-A-318 - Aluminum Alloy 52s; Plate and Sheet. QQ.-A-561 - Aluminum Alloy 2s; Plate and Sheet. TT-C-595 - Colors; (for) Ready-Mixe
3、d Paints. MILITARY MIL-E-1 - Electron Tubes. MIL-C- 5 - Capacitors, Fixed, Mica-Dielectric. MIL-R-11 - Resistors, Fixed, Composition (Insulated). MIL-D-24 - Dynamotors. MIL-C-25 - Capacitors, Fixed, Paper-Dielectric, Direct,Current (Hermetically Sealed in Metallic Cases). MIL-T-27 - Transformers and
4、 Inductors (Audio, Power, and Pulse). JAN-S-28 - Sockets, Electron Tube; and Accessories. MIL-R-94 - Resistors, Variable, Com position. JAN-T-152 - Treatment, Moisture and Fungus-Resistant, of Communications, ELectronic, and Associated Electrical Equipment: General Process for. Communications, Elect
5、ronic, and Associated Electrical Equipment. MIL-V-173 - Varnish, Moisture- and Fungus-Resistant, for the Treatment of MIL-J-641 - Jacks, Telephone. MIL-D-963 - Drawings, Production (for Electrical and Mechanical Equipment for Naval Shipboard Use); MIL-C-3432 - Cable, Flexible, 300 and 600 volts. MIL
6、-S-3786 - Switches, Rotary (Circuit Selector, Low Current Capacity). MIL-R-10509 - Resistors, Fixed, Film (High Stability). MIL-1-15024 - Identification Plates, Information Plates and Marking Information -T-15071 - Technical Manuals for Mechanical and Electrical Equipment, MIL,-F-15160 - Fuses; Inst
7、rument, Power, and Telephone. MIL-C-5015 - Connectors, Electrical, rrAN 5Pe. for Identification of Electrical, Electronic and Mechanical Equipment. i Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILITARY (contd. ) . MIL-E-16400 - Electronic Equipm
8、ent, Naval Ship and Shore: General Specification. MIL-T-16784 - Terminal Boards. MIL-E-17555 - Electronic Equipment and Associated Maintenance Parts; Preservation, Packaging, Packing, and Marking of. MIL-P-17652 - Preparation for Delivery of Electronic, Electrical and Electro-Mechanical Parts. MIL-E
9、-17884 - Earphone (Low Impedance). NAVY DEPARTMENT General Specifications for Inspection of Material. MILITARY MIL-STD-108 - Definitions of and Basic Requirements for Enclosures for MIL-STD-200 - Military Standard for Electron Tubes, Electric and Electronic Equipment. DRAWINGS. BUREAU OF SHLPS RADIO
10、 RElOF479F - Knobs, Standard, Operating Control for Electronic Equipment. U. S. NAVY MINE DEFENSE LABORATORY NMC-5-3239 R threaded devices, metallic inserts, materials, coatings and treatments, .safety to personnel, internal cabling, connections, wire terminations, color-coding conductors, mechanica
11、l design (with exceptions noted herein), supplemen- tary requirements, workmanship, and cleanup shall apply. 3.2 Enclosure and chassis assembly. - The enclosure shall be fabricated in general accordance with Drawng NMC-5-32 39, and shall be spl?shproof with the cover removed, in accordance with Stan
12、dard NIU_I-STD-108. The aluminum shallconform to Specification Q.Q.-A-561. The designations on the front pabel shown on Drawing NMC-4-3257 shall be engraved, and a white filler shall be applied. and the requirements of this specification, this specification shall hold precedence. 3.3 Asse-mbly of co
13、mplete unit. - The electronic unit shall be assembled in general in accord- ance with Drawing NMC-5-3250, as regards arrangement. 3.4 Circuitry and electrical and electronic components. - The circuit for the sound measwing set mark 4 shall be in accordance with Drawings NMC-2-3240,. NMC-5-3241, NMC-
14、2-3242, NMC-2-3243 NMC-2-3245 and NMCr2-3246. The parts as listed herein shall be selected from Specifica- tion MIL-E-16400 with the exception of the Ballantine model 643 meter .or equal (see 3.4.12). The filter toroids shall be equivalent in Q, as well as inductance if a substitution is made. 3 Pro
15、vided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R18 R19 R20 R21- R22 R23 R24 R25 R26 R27 R28 R29 R30 R3 1 R32 R33 R34 35 R3 6 R37 R38 R39 R41 : Composition : Composition : Film type : Composit
16、ion : Composition : Composition : Composition : Composition : Composition : Composition : Precision : Precision : Precisioi! : Precision : Precision : Composition : Composition : Com position : Cornposition : Composition : Composition : Composition : Composition : Composition : Composition : Composi
17、tion : Co.mposition : Composition : Composition : Composition : Composition : Composition : Composition 3.4.1 Resistors. - All resistors shall be in accordance with Specification MIL-R-11, MIL-R-94, or MIL-R-10509 as applicable, unless otherwise specified in the contract or order. The resistors shal
18、l be as specified in table I. Table I - Resistors. . Type Rating : Remarks : : Designa- : : tion : : Composition : 5 megohms, 1/2 watt : : Composition : 500 ohms, 1/2 watt : Composition : 3 kilohms, 1/2 watt : Film type : 200 ohms, 1/2 watt : High stability : : Composition : 470 kilohms, 1/2 watt :
19、: Composition : 100 kilohms, 1/2 watt : : Cpmposition : 25 kilohiqs, 2 watts : potentiometer : : AB-CLU2531 : : or equal *: 100 kilohms, 1/2 watt : : 200 ohms, 1/2 watt : : 300 ohms, 1/2 watt : High stability : : 470 kilohms, 1/2 watt : : 10 kilohms, 1/2 watt : : 100 kilohms, l/Z watt : : 5 kilohms,
20、 1/2 watt : : 36 kilohms. 1 /2 watt : : 2.2 kilohms, 1 watt : 2.2 kilohms, 1 watt : 900 ohms, 1/2watt : 90 ohms, 112 watt : 10 ohms, 1/2 watt : 2200 ohms, 1/2 watt : 33 ohms, 1/2 watt : 1 kiohm, 1 watt : 50 kilohms, 1/2 watt : 1 kilohm, 1/2 watt : 3.3 kilohms, l/Z watt : 1 kilohm, 1/2 watt : 100 kil
21、ohms, 1/2,watt : 50 kikohms, 1/2 watt : 82 kilohms, 1 watt : 56 kilohms, 1 watt : 170 kilohms, 2 watts : 6 kilohms, 2 watts : 47 ohms, 1 watt : 1 megohm, 1 watt : Notrequired : Notrequired : 400 ohms, 1/2 watt : 360 kilohms, 1/2 watts : 12 kilohms, 1/2 watt I I 3.4.1.1 Resistors R18 through R22, inc
22、lusive, shall be Continental. Corlon, Nobleioy type NF, I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.4.1.2 ,Tolerance. - Except as specified in 3.4.1.1, all resistors shall have a tolerance of 5 percent. in accordance with Specification MIL-C-
23、5 or MIL-C-25 as applicable. specified in table II. 3.4.2 Capacitors. - All capacitors unless otherwise specified in the contract or order, shall be The capacitors shall be as. Table II - Capacitors. b .: 1 Rem arks : Designa- : Type Rating : tion : c1 c2 c3 c4 crs C6 c7 C8 c9 c10 c11 c12 C13 C14 C1
24、5 C16 Cl7 C18 c19 c20 c21 c22 C23 C24 C25 C26 C27 C28 C29 C30 C3 1 C32 c33 : Paper : 1 microfarad, 400 volts : : Paper : 1 microfarad, 400 volts : : Paper : 2 microfarads, EO0 volts : : Paper : 10 microfarads, 80 volts : : Paper : 2 microfarads, 400 volts : : Paper : 10 microfarads, 400 volts : : Me
25、tallized paper : 10 microfarads, 150 volts : : Metallized paper : 1 microfarad, 200 volk : : Metallized paper : O. 15 microfarads, 150 volts : Type MQL : Metallized paper : 5 microfarads, 150 volts : : Metallized paper : 2.25 microfarad, 200 volts : Type MDL capacitors : : may be paralleled : : Meta
26、llized paper : O. 15 microfarad, 150 volts : Type MQ.L : Metallized paper : 3 microfarads, 400 volts : : Metallized paper : 2 microfarads, 150 volts : : Metallized paper : 5 microfarads, 150 volts : : Metallized paper : 2 microfarads, 150 vdts : : Metallized paper : 5 microfarads, 150 volts : : Meta
27、llized paper : O. 2 microfarads, 150 volts : : Metallized paper : 5 microfarads, 150 volts : : Metallized papr : 5 microfarads, 150 volts : : Metallized paper : O. 2 microfarads, 150 volts : : Metallized paper : 5 microfarads, 150 volts : : Metallized paper : O. 3 microfarads, 150 volts : : Metalliz
28、ed paper : .3 microfarads, 150 Volts : : Metallized paper : .5 microfarads, 150 Volts : Metallized paper : O. 5 microfarad, 150 volts : : Metallized paper : .5 microfarad, 150 volts : : Paper : 125 microfarad, 600 volts : : Paper : 3 microfarads, 200 volts : : Paper : 10 microfarads, 600 volts : : P
29、aper : 10 microfarads, 80 volts : . : Paper : O, O1 microfarad, 600 volts : : Paper : .3 microfarad, 200 volts : 3.4.2.1 The metallized paper capacitors, C7, C8, C10, C11 and C13 through C27 shall be Astron type MTL or MDL, C9 and C12 shall be Astron type MQL or equivalent, and shall have a toleranc
30、e of plus or minus 10 percent. 3.4.2.2 Tolerances: - Except as specified in 3.4.2. 1, all capacitors shall have a tolerance of plus or minus 20 percent. .5 -. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S- 18347A(SHIPS) 3.4.3 Inductors. - Ail
31、 inductors unless otherwise specified in the contsact or order, shall be in accordance with Specification MIL-T-27 and table IU. Inductors shall be equivalent to the rnmW- facturers number designated. Table IU - Inductors Manufacturers i y:r- II Description i. Size-and rating I number : L1 : Toroid
32、inductor : 3.5 henries : UTC type HQB-8 : L2 : Toroid inductor : 7.5 henries : UTC type HQB-9 : L3 : Toroidinductor : 7.5 henries : UTC type HQB-9 : L4 : Toroid inductor 3.5 henries : UTC type HQB-8 : L5 : Toroid inductor : 7.5 henries : UTC type HQB-9 : L6 : Toroidinductor : 0.5 henry : UTC type HQ
33、B-5 : L7 : Toroid indu-ctor : .75 henry : UTC type HQA-11 : L8 : Toroidinductor : 2 henries : UTC type HQB-7 : L9 : Toroid inductor : O. 75 henry : UTC type HQA-11 : L10 : Toroid inductor : .5 henry : UTC type HQ.B-5 : L11 : Toroid inductor : 7.5 henries : UTC type BQ.B-9 : L12 : Toroid inductor : 0
34、.5 henry : UTC type HQB-5 : L13 : Toroid Jnductor : .2 henry : UTC type HQA-8 : L14 : Toroid inductor : .5 henry : UTC type HQB-5 : L15 : Power inductor : 15 henries .: Chicago Trans. Co, RH1540 : : L16 : Power inductor : 15henries : Chicago Trans, Co. RH1540 : : L17 : Toroid inductor : 7.5 henries
35、: UTC type HQB-9 : LI8 : Toroid inductor : 0.5 henry : UTC type HQB-5 . 3.4.3,l Filters. - The three filters (Drawing NMC-2-3246), shall be furnished as sealed units in accordancewlthkfication MIL-T-27. The filter impedance shall be between 500 and 1000 ohms. shall be in accordance with SpecFficatio
36、n MIL-E-1 and shall be .from the approved list of Stand- ard MIL-STD-200, and shall be in accordance with table IV. 3.4.4 Electron tubes. - Unless otherwise specified in the contract or order, all electron tubes Table IV - Electron tubes. : Description : Number I : tion . : v1 : Vacuum tube : 6072 :
37、 V2 : Vacuum tube : 581411 : v3 : Vacuum tube : 872 : V4 : Vacuum tube : 6072 : v5 : Vacuum tube : 6X4WA : : V6 : Vacuum tube 5814A : :v7 : Vacuum tube : 5751 : V8 : Gas regulator tube : OBZWA : 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S
38、-L3LI7A 66 m 7777906 032772LI L m MIL-S-l8347A(SHIPS) 3.4.5 Connectors and jacks. - Connectors, unless otherwise specified In the contract or order, shalt be in accordance with Specification MIL-C-5015, and jacks, unless otherwise spedfied in the contract or order shall be in accordance with Specifi
39、cation MIL-J-641. be as specified in kable V. The connectors and jacks shall Table V - Connectors. I Description I Remarks tion . : J1 : Coaxial connector ; Amphenol-CPH-49194 or equal with cap : : J2 : Phone jack : Malloy-703 or pqgl : J3 : Multi-connector : AN3102A-14S-lS, with cap : J4 : Multi-co
40、nnector :AN3102A-22-lP, with cap : f5 : Multi-connector :AN3102A-18-3P, with cap : J6 : Jones plug : Cinch- Jones-PSi8AB or equal 3.4.6 Germanium diodes. - The germanium diodes, CR1 and CR2, shall be in accordance with type 1N34-A of Specification MIL-E-1. 3.4.7 Fuses. - All fuses shall be in accord
41、ance with Specification MIL-F-15160 and the following: CirC+t designation Tgpe . F02GlROOA Fi F2 F02G2ROOA FO2GmOOA F3 F4 FO2G8ROOA F5 F02GR250A 3.4.8 Pilot lamp. - 3.4.9 Lamp bwe. - The lamp base (XI3s1) shall be Drake number 50 (red), or equivalent. 3.4.10 Power transformer. - The power transforme
42、r (Tl) shall be in accordance with Speci- The pilot lamp (RSl) shall be General Electric number 51 or equivalent. fication MIL-T-27 and shall be Chicago number PHC-60 or equal. 3.4.11 Dynamotor. - 3.4.12 Meter. - The dynamotor (Dl) shall be type DM-34 of Specification MTL-D-24. The meter (Ml) shall
43、be Ballanthe Mod 643 or equal with linear decibel (db) scale, 29 db rasige. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S- 18347A(SHLPS) 3.4.13 Switches. - All rotary switches, unless otherwise specified in the contract or order, shall be in
44、accordance with Specification MIL-S-3786. They ishall be similar to those manu- factured by Oak Mfg. Co., shall have type H insulation, and a 200 hours salt spray finish. The toggle switch shall be equal to AH and H number CHH-2400. All switches shall be as specified in table VI. Table VI - Switches
45、. ., : Designation : Description : Size and rating s1 : Rotary s2 : Rotary s3 : Rotary s4 : Rotary s5 : IToggle . - _ : 2 position, 2 circuit, 2 section : 5 position, 2 circuit, 3 section : 3 position, 1 circuit, 1 section : 5 position, 2 circuit, 2 section : Double pole, double throw 3.4.14 Termina
46、l boards. - The terminal boards (TB1) and (TB2) shall be barrier type, conform- ing to Specification MIL-T-16784, and shall be similar to Cinch Jones numbers 8-141 and 10-141, respectively. similar to Littlefuse number 356002. 3.4.15 Fuse blocks. - The fuse blocks (a3 and XF4) and (XF5) shall be two
47、 pole and shall be 3.4.16 Fuse holdem. - The fuse holders (XF1) and (XF2) shall be watertight and similar to 3.4.17 Tube sockets. - The tube sockets (XVl through 8) shall be in accordance with Specifica- Littlefuse number 342006 tion JAN-S-28 and shall have shields. 3.4.18 Power cable. - 3.4.18.1 Al
48、ternating current. - The a. c. power cable (Wl) shall conform to Specifica- tion MIL-C-3432, and shall consist of 8 feet,of two conductors, AWG number 18 cable with a male a. c. plug on one end and an AN3106A-18-3S connector on the :other end. and shall consist of 8 feet of two conductor, AWG number
49、 16 cable with battery clips on one end and an AN3106A-22-1S connector on the other end. 3.4.19 Headset. - The headset (HT) shall conform to Navy type 49985-A, stock num- 3.4.18.2 Direct current. - The d. c. power cable (W2) shall conform to Specification MIL-C-3432, ber N17-H-52089-/211 in accordance with Specification MIL-E-17884. 3.4.20 Hydrophones. - The hydrophones (MT) shall be furnished with 100 feet of noise-free cable, each, com
