Product Details | TACHOMETER GENERATOR

6680-00-551-4231 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.

Part Alternates: M1200 CWR, M1200CWR, M1200CWRA6, M1200C-WRA-6, C73470, 3261563, 6680-00-551-4231, 00-551-4231, 6680005514231, 005514231

Instruments and Laboratory Equipment | Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments

Supply Group (FSG) NSN Assign. NIIN
66 01 JAN 1963 00-551-4231

Demand History | NSN 6680-00-551-4231

Part Number Request Date QTY Origin
M1200C-WRA-6 2024-04-94 1 DIBBS
M1200C-WRA-6 2023-10-278 1 DIBBS
3261563 2013-06-176 1 US
3261563 2012-12-362 1 US
3261563 2012-12-362 1 United States
6680-00-551-4231 2011-02-34 4 DIBBS
6680-00-551-4231 2009-04-106 2 DIBBS

Cross Reference | NSN 6680-00-551-4231

Part Number Cage Code Manufacturer
3261563 24617 GENERAL MOTORS CORP
3261563 72582 MTU AMERICA INC.
3261563 72915 GENERAL MOTORS CORP ELECTRO-MOTIVE DIV
C73470 14237 CONTINENTAL ELECTRIC CO INC
C73470 7H468 CONTINENTAL ELECTRIC MOTORS INC.
M1200 CWR 12763 DYNALEC CORPORATION
M1200C-WRA-6 12763 DYNALEC CORPORATION
M1200CWR 20049 THE ELECTRIC TACHOMETER CORP.

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Technical Data | NSN 6680-00-551-4231

Characteristic Specifications
OVERALL LENGTH 5.354 INCHES
OVERALL WIDTH 2.910 INCHES
OVERALL HEIGHT 3.000 INCHES
LENGTH OF SHAFT FROM HOUSING 0.510 INCHES SINGLE END
MOUNTING METHOD SWIVEL NUT COUPLING
MOUNTING FACILITY TYPE AND QUANTITY 1 THREADED STUD
CURRENT TYPE DC INPUT
CURRENT RATING IN AMPS 0.001 SINGLE INPUT
TERMINAL TYPE AND QUANTITY 2 BINDING POST
CALIBRATION VOLTAGE OUTPUT TYPE IN VOLTS 6.0 DC
CALIBRATION SPEED IN RPM 1000.0
ELECTRICAL RESISTANCE 20.0 OHMS
ACCURACY RANGE IN PERCENT -1.0 TO 1.0
ROTOR SPEED RATING IN RPM 10.0 LOW FULL LOAD AND 20000.0 HIGH FULL LOAD
SHAFT END CHARACTERISTIC A11 SINGLE STYLE SINGLE END
SHAFT DIAMETER 0.1880 INCHES NOMINAL SINGLE END
FEATURES PROVIDED HORIZONTAL MOUNTING POSITION AND VERTICAL MOUNTING POSITION

Restrictions/Controls & Freight Information | NSN 6680-00-551-4231

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:QStrategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.”
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 062120 GENERATORS/MOTORS/PARTS NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 653 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity H Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 6680-00-551-4231

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each