NSN 4910-01-645-2311, 4910016452311
DYNAMOMETER,RUN-IN

Federal Supply Classification: FSC 4910 - Motor Vehicle Maintenance and Repair Shop Specialized Equipment
National Item Identification Number: NIIN 016452311
Codification Country: United States
Item Name Code: INC 19202
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 4910-01-645-2311

National Stock Number (NSN) 4910-01-645-2311, or NIIN 016452311, (dynamometer,run-in) was assigned June 8, 2015 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. None of the associated 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.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 02, 2017, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 19202. [A MECHANICAL DEVICE USED FOR RUNNING-IN NEW AND REBUILT INTERNAL COMBUSTION ENGINES UNDER LOAD PRIOR TO THEIR APPLICABLE INSTALLATION BY SIMULATING ACTUAL LOAD CONDITIONS AND APPLYING THEM TO THE ENGINES. IT EMPLOYS A CLOSED HYDRAULIC TURBINE TORQUE ABSORPTION SYSTEM, AND INCLUDES A TACHOMETER, INTAKE MANIFOLD VACUUM GAGE, TEMPERATURE GAGE, AND INDICATOR PLATE FOR VALVE OPERATION. EXCLUDES:DYNAMOMETER, VEHICLE CHASSIS, SINGLE DRIVE.]. 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 4910016452311 contains an unknown precious metal.

This NSN is associated to Schedule B 8479899860: automotive maintenance machines, nesoi. The Schedule B End Use is listed as photo, service industry machinery.

This information was last updated on Aug 01, 2025.

Technical Characteristics

FUNCTIONAL DESCRIPTION: (FTLD) THE ABILITY TO TEST A WIDE RANGE OF ENGINE DISPLACEMENTS ON THE SAME DYNAMOMETER. VERY LOW INERTIA AND HIGH ABSORPTION CHARACTERISTICS IN A COMPACT PACKAGE. THROUGH-SHAFT DESIGN ALLOWS EITHER END OF THE DYNAMOMETER TO BE DRIVEN AND TO ACCEPT ADDITIONAL DYNAMOMETERS PLUS A VARIETY OF ACCESSORIES INCLUDING STARTING SYSTEMS. A STAINLESS STEEL NON-TAPERED SHAFT. INLET CONTROL ALLOWS FOR LOW MINIMUM HORSEPOWER. LOW MINIMUM LOADING CHARACTERISTICS. EQUAL ABSORPTION CAPABILITIES IN EITHER DIRECTION OF ROTATION. POSITIVE LIP ABSORBER SEALS. REMOVABLE BEARING AND SEAL HOUSINGS TOFACILITATE FIELD SERVICING WITHOUT THE NEED FOR DISASSEMBLY OF THE ABSORBER. EQUIPPED WITH GREASE-LUBRICATED HIGH-SPEED BEARINGS.
PART NAME ASSIGNED BY CONTROLLING AGENCY: (CXCY) DYNAMOMETER, ENGINE
OPERATING TEST CAPABILITY: (AQXZ) MAX. 1000HP AND 6000 RPM.
REFERENCE DATA AND LITERATURE: (RDAL) SPECIFICATION SHEET DOCUMENT NO. WBED50X-SS- 130709-6
TEST TYPE FOR WHICH DESIGNED: (AQXY) FIXED BASE DYNAMOMETERS MAY BE USED FOR CONTINUOUS DUTY ENDURANCE TESTING, AS WELL AS FOR TRANSIENT TESTS
TYPE/MODEL DESIGNATION: (TMDN) 50X02M
III PART NAME ASSIGNED BY CONTROLLING AGENCY: (CXCY) DYNAMOMETER, ENGINE
III REFERENCE DATA AND LITERATURE: (RDAL) SPECIFICATION SHEET DOCUMENT NO. WBED50X-SS- 130709-6
III TYPE/MODEL DESIGNATION: (TMDN) 50X02M
III FUNCTIONAL DESCRIPTION: (FTLD) THE ABILITY TO TEST A WIDE RANGE OF ENGINE DISPLACEMENTS ON THE SAME DYNAMOMETER. VERY LOW INERTIA AND HIGH ABSORPTION CHARACTERISTICS IN A COMPACT PACKAGE. THROUGH-SHAFT DESIGN ALLOWS EITHER END OF THE DYNAMOMETER TO BE DRIVEN AND TO ACCEPT ADDITIONAL DYNAMOMETERS PLUS A VARIETY OF ACCESSORIES INCLUDING STARTING SYSTEMS. A STAINLESS STEEL NON-TAPERED SHAFT. INLET CONTROL ALLOWS FOR LOW MINIMUM HORSEPOWER. LOW MINIMUM LOADING CHARACTERISTICS. EQUAL ABSORPTION CAPABILITIES IN EITHER DIRECTION OF ROTATION. POSITIVE LIP ABSORBER SEALS. REMOVABLE BEARING AND SEAL HOUSINGS TOFACILITATE FIELD SERVICING WITHOUT THE NEED FOR DISASSEMBLY OF THE ABSORBER. EQUIPPED WITH GREASE-LUBRICATED HIGH-SPEED BEARINGS.