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NSN: 2815-00-004-2543
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Cross Reference

These part numbers have the same form, fit, and function of 5137173
Item Number Cage
1062-4001 72582
5137173 72582

Characteristic Codes

5137173 spec. code meanings
Code Translation
AAXZ The number of cylinders incorporated in the item.
ACXZ The length of a straight line which passes through the center of the cylinder /engine, compressor, or the like/, and terminates at the inside diameter.
ACZV The cooling medium used to maintain the required operating temperature of the item.
AGEB An indication of whether or not a feature is included for the item to be operated in a specified depth of water without malfunction.
AKYD The name and number of parts supplied with the item which may be required for application.
ATWQ The number of reverse speeds provided.
AWXE The arrangement of the cylinders.
AWXF The measured distance of the stroke.
AXCQ The number of strokes required to complete one cycle.
AXCW The power delivered by the item at specified revolutions per minute.
AXCZ An indication of whether or not a direct raw water cooling feature is included.
AXDA An indication of whether or not a closed system hull cooling feature is included.
AXDD Indicates the type of piston action provided.
AXDF An indication of whether or not a multifuel usage feature is provided.
AXDK The crankshaft rotation direction viewed from and facing the main driving end.
AXDN An indication of whether or not a direct reversible feature is included.
AXDP The means used to start the item.
AXDR An indication of whether or not a supercharger is included.
AXDS An indication of whether or not a flywheel is included.
AXDT An indication of whether or not the flywheel housing is included.
AXDW An indication of whether or not a reduction gear is included.
AXJA An indication of whether or not a fluid coupling is included.
AXJB An indication of whether or not a transmission is included.
AXJD Indicates the type of transmission used to transfer developed mechanical energy to the drive unit.
AXJE The number of speed ranges provided.
AXJF The number of forward speeds in each range.
AXJK An indication of whether or not a cross drive is included.
AXJL An indication of whether or not a clutch is included.
AXJM The direction of the main power takeoff rotation, when viewed from and facing the main drive end.
AXRZ The ratio of the input revolutions per minute to the designed output revolutions per minute of the reduction gear.
AYPC An indication of whether or not a starter is included.
ELEC The total electrical voltage.
FEAT Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.
ZZZY A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.


Description: Diesel Engine
Mfr. Cage 72582


AAXZ Cylinder Quantity
ACXZ Standard Bore Diameter
4.250 inches
ACZV Cooling Medium
AGEB Fording Feature
Not included
AKYD Accessory Components And Quantity
Air intake silencer 1; base,mounting 1; cold starting device 1; cooler,fresh water 1; cooler,lube oil 1; cooler,lube oil rev/red gear 1; filter,fuel 1; filter,lube oil 1; filter,lube oil rev/red gear 1; governor,speed regulating 1; pump,fresh water 1; pump,fuel supply 1; pump,lube oil 1; pump,lube oil rev/red gear 1; pump,raw water 1; overspeed trip device 1; strainer,fuel 1; tank,expansion,water 1
ATWQ Reverse Speed Quantity
AWXE Cylinder Arrangement
Straight in-line
AWXF Stroke Length
5.000 inches
AXCQ Strokes Per Cycle
AXCW Brake Horsepower At Specified Rpm
250 bhp at 2300 rpm
AXCZ Direct Raw Water Cooling Feature
AXDA Closed System Hull Cooling Feature
Not included
AXDD Piston Action Type
Single acting
AXDF Multifuel Usage Feature
Not provided
AXDK Crankshaft Rotation Direction
AXDN Direct Reversible Feature
Not included
AXDP Starting Method
AXDR Supercharger
Not included
AXDS Flywheel
AXDT Flywheel Housing
AXDW Reduction Gear
AXJA Fluid Coupling
Not included
AXJB Transmission
AXJD Transmission Type
Hydraulically actuated
AXJE Speed Range Quantity
AXJF Forward Speed Quantity Per Range
AXJK Cross Drive
Not included
AXJL Clutch
AXJM Main Power Takeoff Rotation Direction
AXRZ Reduction Gear Ratio
1.5 to 1
AYPC Starter
ELEC Voltage In Volts
FEAT Special Features
80mm injectors; flexible stainless braid covered,stainless coil reinforced polytetrafluoroethylene lube oil hose; oil pan for 16 deg maximum installation angle; propeller shaft companion flange
ZZZY Reference Number Differentiating Characteristics
As differentiated by the crankshaft rotation direction,accessory components and quantity,special features requirements

Technical Definition

Engine, Diesel, also referenced with federal logistics item name code 03751 - A reciprocating internal combustion engine in which the power necessary to produce motion of the mechanism is obtained by igniting a compressed fuel and air mixture within the cylinder or cylinders by extreme heat resulting from compression. the engine consists of a cylinder block assembly complete with cylinder head(s) and oil pan(s). it may include attachments or accessories, such as starter motor, transmission for auxiliary equipment, clutch, oil filter, flywheel, flywheel housing or battery charging generator. a fuel tank is not included. for a complete operating power unit mounted on a base, see power unit (1), diesel.
National Stock Number (NSN): 2815-00-004-2543

Last Modified: 10/11/2017