Product Details | TACHOMETER GENERATOR

6680-00-504-1871 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: FZ444, 6680-00-504-1871, 00-504-1871, 6680005041871, 005041871

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 00-504-1871

Cross Reference | NSN 6680-00-504-1871

Part Number Cage Code Manufacturer
FZ444 73693 SCHULZE MFG. INC.

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Technical Data | NSN 6680-00-504-1871

Characteristic Specifications
OVERALL LENGTH 3.750 INCHES
OVERALL WIDTH 2.500 INCHES
OVERALL HEIGHT 2.500 INCHES
LENGTH OF SHAFT FROM HOUSING 0.625 INCHES SINGLE END
MOUNTING METHOD FLANGE
MOUNTING FACILITY TYPE AND QUANTITY 2 UNTHREADED HOLE
CONNECTION TYPE AND VOLTAGE RATING IN VOLTS 37.5 LINE TO NEUTRAL SINGLE OUTPUT
ELECTRICAL RESISTANCE 286.0 OHMS
ACCURACY RANGE IN PERCENT -15.0 TO 15.0
SHAFT ROTATION DIRECTION CLOCKWISE SINGLE END
ROTOR SPEED RATING IN RPM 1800.0 SINGLE FULL LOAD
SHAFT END CHARACTERISTIC A1 SINGLE STYLE SINGLE END
SHAFT DIAMETER 0.1560 INCHES NOMINAL SINGLE END
FEATURES PROVIDED HORIZONTAL MOUNTING POSITION AND VERTICAL MOUNTING POSITION
MANUFACTURERS CODE 73693
DESIGN CONTROL REFERENCE FZ444

Restrictions/Controls & Freight Information | NSN 6680-00-504-1871

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:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
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 119400 DEVICES LIQUID LEVEL INDICATING
Less than car load rating
Less than truck load rating K 92.5
Water commodity Code 652 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 V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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 6680-00-504-1871

Category Code Description
Cognizance Codes9GNavy-owned stocks of defense general material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9GDefense Supply Center Richmond
Richmond, VA 23297
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative