NSN 6680-00-873-6556, 6680008736556
Cancelled -> Replaced by 6680010941498

Federal Supply Classification: FSC 6680 - Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
National Item Identification Number: NIIN 008736556
Codification Country: United States
Item Name Code: INC 07115
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 6680-00-873-6556

National Stock Number (NSN) 6680-00-873-6556, or NIIN 008736556, (tachometer,mechanical,fixed moun) was assigned November 3, 1967 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 6680010941498, 6680005276912.

There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is assigned to Item Name Code (INC) 07115. [A TACHOMETER THAT IS DRIVEN THROUGH THE MEDIA OF A MECHANICAL CONNECTION AND INCLUDES PROVISIONS FOR FIXED MOUNTING.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6680008736556 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

III END ITEM IDENTIFICATION: (AGAV) MARINE AND INDUSTRIAL PRODUCTS DIV,CHRYSLER CORP,DIESEL ENGINE,P/N 551SE
CASE MATERIAL: (ADTV) BRASS
SCALE MEASUREMENT RANGE: (ANSZ) -0.0/+35.0
DRIVEN SPEED TO INDICATED SPEED MINIMUM RATIO: (BGPD) 2 TO 1
III UNIT TYPE: (APQB) CENTRIFUGAL
DRIVE CONNECTION TYPE: (AAYX) FLEXIBLE
END ITEM IDENTIFICATION: (AGAV) MARINE AND INDUSTRIAL PRODUCTS DIV,CHRYSLER CORP,DIESEL ENGINE,P/N 551SE
AHEAD-ASTERN SEMAPHORE: (BGPJ) NOT PROVIDED
CASE SHAPE: (ANRX) ROUND
DIAL BACKGROUND COLOR: (ARCG) BLACK
DIAL ILLUMINATION: (ASTK) NOT PROVIDED
DIAL QUANTITY: (AQKC) 1
MAJOR GRADUATION COLOR: (AQPS) WHITE
OVERALL DEPTH: (ABFY) 2.156 INCHES NOMINAL
OVERALL DIAMETER: (ADAV) 3.375 INCHES NOMINAL
MATERIAL: (MATT) BRASS CASE
MINOR GRADUATION COLOR: (AQPT) WHITE
MOUNTING FEATURE TYPE: (AHGJ) FLUSH
MOUNTING TYPE: (AAXX) PANEL
OPERATING RANGE: (ANBG) +0.0 TO 3500.0 REVOLUTIONS PER MINUTE
POINTER COLOR: (ASSS) WHITE
POINTER MOVEMENT DIRECTION: (BGPC) CLOCKWISE
POINTER QUANTITY: (ASPC) 1
SCALE MEASUREMENT RANGE: (ANSZ) +0.0 TO 35.0
SCALE MEASUREMENT UNIT: (BGPQ) REVOLUTIONS PER MINUTE
SCALE QUANTITY: (APSJ) 1
SCALE SMALLEST INCREMENT: (AWAG) 100.0 REVOLUTIONS PER MINUTE
SHAFT ROTATION DIRECTION: (AKCT) CLOCKWISE
TOTALIZING MECHANISM: (BGPG) NOT PROVIDED
UNABLE TO DECODE: (ADTV) UNABLE TO DECODE
UNABLE TO DECODE: (BGPD) UNABLE TO DECODE
UNIT TYPE: (APQB) CENTRIFUGAL
SCALE MEASUREMENT UNIT: (BGPQ) RPM
OPERATING RANGE: (ANBG) +0.0/+3500.0 REVOLUTIONS PER MINUTE