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Tachometer Generator

NSN: 6680-00-004-5382 | Model: SB7103B-1

A generator consisting of a series of mounted coils surrounding a rotating permanent magnet or a permanent magnet and a rotating armature. The voltage output is directly proportional to the speed of rotation of the shaft. When used with an associated indicator, transmits such data as revolutions per minute, speed of travel, and the like. May also be used in servomechanism loops as a system stabilizer. Excludes rotary inverters, rotary converters, motor generators, dynamotors, generator sets, synchros, frequency or phase changers, and engine accessory generators.

NSN Properties and Flags
NATO Stock Number
6680-00-004-5382
DEMIL
NO
Overall Height
1.187 inches
Overall Length
3.041 inches
Overall Width
1.187 inches
Electrical Resistance
880.0 ohms
Shaft Diameter
0.186 inches single end and 0.187 inches single end
Flatted Portion Length
0.370 inches single end and 0.380 inches single end
Flat Depth
0.240 inches single end and 0.350 inches single end
Shaft Rotation Direction
Clockwise single end or counterclockwise single end
Mounting Method
Pad
Mounting Facility Type And Quantity
4 unthreaded hole
Accuracy Range In Percent
-5.0 to 5.0
Calibration Speed In Rpm
1000.0
Flat Center To Shaft End Distance
0.242 inches single end and 0.257 inches single end
Calibration Voltage Output Type In Volts
20.8 dc
Features Provided
Horizontal mounting position and vertical mounting position
Length Of Shaft From Housing
0.507 inches single end
Center To Center Distance Between Mounting Facilities Parallel To Width
0.937 inches
Center To Center Distance Between Mounting Facilities Parallel To Height
0.937 inches
Connection Type And Voltage Rating In Volts
18.8 line to neutral low output or 22.8 line to neutral high output
Shaft End Characteristic
A6 single style single end
Terminal Type And Quantity
2 solder lug

Pricing and Availability

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NSN 6680-00-004-5382 Datasheet

Supply Class (FSC):
Mechanical Motion Measuring Instruments Liquid Level Liquid And Gas Flow
Cross Reference:
  • SB7103B-1
  • 16760863-004
  • SB7103B
Cage Codes:
  • Tek Products Company Inc. Servo (CAGE 83555)
  • Sypris Electronics, Llc (CAGE 28009)
Replacements:
  • 6680-00-004-5382 replaces 6680-00-107-8092
Schedule B & Trade:
  • Schedule B: 9029205000 (NAICS 334514)

    Speedometers and tachometers, not for use in civil aircraft

  • SITC: 87325

    Speedometers and tachometers; stroboscopes

  • End Use: 30230

    Other parts and accessories of vehicles

Identification:
HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

A - Item does not contain precious metal.

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    177220 - Speed indicators/heads/odometers

  • WCC:

    653 - Musical instruments

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • LTL:

    J - 100.0

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    L
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    J2200x-
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $1,633.24 to $2,722.07..
Does NSN 6680-00-004-5382 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army, Department Of The Air Force, National Security Agency, Department Of The Navy, Spain, United Kingdom, and Italy
What is the NIIN of NSN 6680-00-004-5382?
000045382 or 00-004-5382
Does NSN 6680-00-004-5382 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 6680-00-004-5382?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jun 07, 1972