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Tachometer Generator

NSN: 6680-00-034-0505 | Model: 2CM9AAZ6

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
6680-00-034-0505
DEMIL
NO
Overall Height
3.188 inches
Overall Length
4.250 inches
Overall Width
2.438 inches
Shaft Diameter
0.3130 inches single end
Flatted Portion Length
0.5000 inches single end
Width Across Flats
0.2500 inches single end
Mounting Method
Pad
Mounting Facility Type And Quantity
4 unthreaded hole
Features Provided
Vertical mounting position
Length Of Shaft From Housing
0.500 inches single end
Center To Center Distance Between Mounting Facilities Parallel To Width
1.875 inches
Center To Center Distance Between Mounting Facilities Parallel To Height
1.875 inches
Shaft End Characteristic
A15 single style single end

Pricing and Availability

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NSN 6680-00-034-0505 Datasheet

Supply Class (FSC):
Mechanical Motion Measuring Instruments Liquid Level Liquid And Gas Flow
Cross Reference:
  • 2CM9AAZ6
Cage Codes:
  • General Electric Co (CAGE 24446)
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

U - Precious metal content is unknown

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:

    062120 - Generators/motors/parts noi

  • WCC:

    590 - Generators and parts, (machinery and parts),(less than 35 feet)

  • 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.

  • ACC:

    H - Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps)

  • LCL:

    Q - 70.0

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

Questions & Answers:
What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 6680-00-034-0505 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
New Zealand
What is the NIIN of NSN 6680-00-034-0505?
000340505 or 00-034-0505
Does NSN 6680-00-034-0505 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 6680-00-034-0505?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963