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Fixed Mounting Mechanical Tachometer

NSN: 6680-00-057-2776 | Model: 551AMC

A tachometer that is driven through the media of a mechanical connection and includes provisions for fixed mounting.

NSN Properties and Flags
NATO Stock Number
6680-00-057-2776
DEMIL
NO
Mounting Type
Panel
Drive Connection Type
Flexible
Overall Depth
2.656 inches
Overall Diameter
2.843 inches
Case Material
Steel
Mounting Feature Type
Flush
Shaft Rotation Direction
Clockwise
Operating Range
+0.0/+4500.0 revolutions per minute
Graduation Unit
1 hr operation
Case Shape
Round
Scale Measurement Range
-800.0/+3000.0
Unit Type
Chronometric
Scale Quantity
1
Dial Quantity
1
Major Graduation Color
White
Minor Graduation Color
White
Dial Background Color
Black
Pointer Quantity
1
Pointer Color
White
Dial Illumination
Not provided
Scale Smallest Increment
100.0 revolutions per minute
Pointer Movement Direction
Clockwise
Driven Speed To Indicated Speed Minimum Ratio
2 to 1
Totalizing Mechanism
Provided
Totalizing Mechanism Calibration
Engine revolutions
Ahead-astern Semaphore
Not provided
Scale Measurement Unit
Rpm
Special Features
Reference usaf dwg 56b23624, for special markings

Pricing and Availability

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NSN 6680-00-057-2776 Datasheet

Supply Class (FSC):
Mechanical Motion Measuring Instruments Liquid Level Liquid And Gas Flow
Cross Reference:
  • 551AMC
  • 567ABL
  • 56B23624-1
  • 105-3264
  • 56B23624-1
  • 56B23624-1
  • 567ABN
Cage Codes:
  • Warner Corporation Stewart (CAGE 57733)
  • Gse Production and Support Llc (CAGE 0ZLV2)
  • Drs Consolidated Controls, Inc. (CAGE 93742)
  • Standard Mfg Co Inc (CAGE 98296)
  • San Antonio Air Logistics Center (CAGE 98750)
Replacements:
  • 6680-00-057-2776 replaces 6680-00-957-5947
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
    Y
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    -------
  • Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $150.94 to $251.57..
Does NSN 6680-00-057-2776 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Defense Logistics Agency, Malaysia, Australia, Republic Of Korea, Italy, Norway, Greece, and Turkey
What is the NIIN of NSN 6680-00-057-2776?
000572776 or 00-057-2776
Does NSN 6680-00-057-2776 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 6680-00-057-2776?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1961