Product Details | FIXED MOUNTING MECHANICAL TACHOMETER

6680-00-494-7495 A tachometer that is driven through the media of a mechanical connection and includes provisions for fixed mounting.

Part Alternates: 531CM, 6D489, 6680-00-494-7495, 00-494-7495, 6680004947495, 004947495

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

Supply Group (FSG) NSN Assign. NIIN
66 18 MAR 1972 00-494-7495

Cross Reference | NSN 6680-00-494-7495

Part Number Cage Code Manufacturer
531CM 57733 STEWART-WARNER CORPORATION
6D489 11083 CATERPILLAR INC. DBA CATERPILLAR

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Technical Data | NSN 6680-00-494-7495

Characteristic Specifications
UNIT TYPE ANY ACCEPTABLE
MOUNTING TYPE PANEL
MOUNTING FEATURE TYPE FLUSH
OPERATING RANGE 0.0 TO 4000.0 REVOLUTIONS PER MINUTE
SCALE QUANTITY 1
SCALE MEASUREMENT UNIT REVOLUTIONS PER MINUTE
SCALE MEASUREMENT RANGE 0.0 TO 4000.0
SCALE SMALLEST INCREMENT 100.0 REVOLUTIONS PER MINUTE
MAJOR GRADUATION COLOR BLACK
MINOR GRADUATION COLOR BLACK
SCALE FINISH ANY ACCEPTABLE
POINTER QUANTITY 1
POINTER COLOR BLACK AND WHITE
POINTER FINISH ANY ACCEPTABLE
POINTER MOVEMENT DIRECTION CLOCKWISE
DIAL QUANTITY 1
DIAL BACKGROUND COLOR WHITE
DIAL ILLUMINATION PROVIDED
LAMP TYPE INCANDESCENT
DRIVEN SPEED TO INDICATED SPEED MINIMUM RATIO 1 TO 2
CASE MATERIAL ZINC
CASE SHAPE ROUND
OVERALL DIAMETER 3.770 INCHES NOMINAL
OVERALL DEPTH 3.460 INCHES NOMINAL
DRIVE CONNECTION TYPE SQUARE
TOTALIZING MECHANISM NOT PROVIDED
AHEAD-ASTERN SEMAPHORE NOT PROVIDED

Restrictions/Controls & Freight Information | NSN 6680-00-494-7495

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: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 058240 RECORDING DEVICES GAUGES/METERS NOI
Less than car load rating
Less than truck load rating F 150.0
Water commodity Code 72B unknown
Originating Activity Code CX Defense Supply Center Richmond
Richmond, VA 23297-5000
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 Q Extremely fragile items including delicate instruments.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 6680-00-494-7495

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each