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Tachometer Generator

NSN: 6680-00-585-1503 | Model: GEU-7/A
ITAR Registered seal

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
Yes - ITAR Controlled (Code B)
Overall Height
3.369 inches
Overall Length
3.017 inches
Current Type
Ac output
Width Across Flats
0.2440 inches single end
Mounting Method
Mounting Facility Type And Quantity
4 unthreaded hole
Calibration Speed In Rpm
Calibration Voltage Output Type In Volts
21.0 ac
Length Of Shaft From Housing
0.467 inches single end
Rotor Speed Rating In Rpm
4200.0 single full load
Current Rating In Amps
0.300 single output
Terminal Type And Quantity
1 receptacle

Inventory Check

The last inventory check on this NSN was done on 04/08/2021. Due to rapid changes in inventory this may not be the current stock qty.

  • Overhauled: 9
  • As Removed: 14
  • New: 453
  • New Surplus: 1
  • Serviceable: 2

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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NSN 6680-00-585-1503 Datasheet

Supply Class (FSC):
Mechanical Motion Measuring Instruments Liquid Level Liquid And Gas Flow
Cross Reference:
  • GEU-7/A
  • MIL-PRF-26611
  • 22A703
  • 32005-007
  • 22A524
  • GEU7A
  • SE6M50HA79
  • MILG26611
  • 32005-002
  • 22A623
  • 22A740
  • 32005-002
  • 32005-005
  • AG44
  • AG34
  • 22A554
  • HE468-5001-0001
Cage Codes:
  • Military Specifications (CAGE 81349)
  • Globe Motors, Inc. (CAGE 25140)
  • 300 Hdbk Mil (CAGE 1HBK1)
  • Aircraft Appliances and Equipment (CAGE 35076)
  • Aeronautical and Aeronautical (CAGE 23669)
  • Bradley Semiconductor Corp (CAGE 73506)
  • Lucas Aerospace Power Equipment (CAGE 31435)
  • Hamilton Sundstrand Corporation (CAGE 99167)
  • Rockwell International Corp (CAGE 89372)
  • 6680-00-585-1503 replaces 6680-00-756-3286
  • 6680-00-585-1503 replaces 6680-00-765-3286
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


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


A - Item does not contain precious metal.


- Represents items with no adp components


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

Freight Information:
  • NMFC:

    133300 - Machinery/machines noi

  • WCC:

    671 - Aircraft parts, to include test/tool sets and equipment (other than armament systems)

  • SHC:

    9 - Other or no special handling required (sh)

  • ACC:

    A - Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft

  • ADC:

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

  • LCL:

    K - 92.5

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability
    If condemned or uneconomically repairable , then dispose at direct support (ds) level.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $1,564.19 to $2,606.99..
Does NSN 6680-00-585-1503 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, Department Of The Navy, U.s. Coast Guard, National Aeronautics and Space Administration, Austria, Slovenia, Brazil, Spain, Columbia, Singapore, Kuwait, Malaysia, Australia, Belgium, Canada, New Zealand, France, Germany, Republic Of Korea, United Kingdom, Philippines, Portugal, Denmark, Norway, Greece, Turkey, and Nato Maintenance and Supply Agency
What is the NIIN of NSN 6680-00-585-1503?
005851503 or 00-585-1503
Does NSN 6680-00-585-1503 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 6680-00-585-1503?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963