PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M673Engine,diesel

Northern Lights Inc · NSN 2815-01-484-5417 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-01-484-5417 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-484-5417. Primary manufacturer part number: M673.
Features
  • Engine,diesel — FSC 2815
  • Engine Overall Height: 20.670 INCHES NOMINAL IN
  • Stroke Length: 2.520 INCHES IN
  • Cylinder Quantity: 3
  • Standard Bore Diameter: 2.640 INCHES IN
  • Cylinder Arrangement: STRAIGHT IN-LINE
  • Engine Overall Length: 27.080 INCHES NOMINAL IN
  • Speed Range Quantity: 2
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Engine,diesel, cataloged under National Stock Number 2815-01-484-5417, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Northern Lights Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2815-01-484-5417
Primary Part NumberM673
Item NameEngine,diesel
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerNorthern Lights Inc
StatusACTIVE
Engine Overall Height20.670 INCHES NOMINAL IN
Stroke Length2.520 INCHES IN
Cylinder Quantity3
Standard Bore Diameter2.640 INCHES IN
Cylinder ArrangementSTRAIGHT IN-LINE
Engine Overall Length27.080 INCHES NOMINAL IN
Speed Range Quantity2
Engine Overall Width17.080 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5940-00-501-6834 INTERCHANGEABLE
Terminal,lug
5930-00-647-0529 INTERCHANGEABLE
Switch,pressure
5310-01-542-4891M-6-7-3 INTERCHANGEABLE
Nut,self-Locking,hexagon
Bird-Johnson Propeller Company, Llc
Cross-Reference Index
Part NumberManufacturer
M673 PRIMARY Northern Lights Inc (USA)
Related Parts
5940-00-501-6834INTERCHANGEABLE
TERMINAL,LUG
5930-00-647-0529INTERCHANGEABLE
SWITCH,PRESSURE
5310-01-542-4891INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
M-6-7-3

Frequently Asked Questions

What is NSN 2815-01-484-5417?

NSN 2815-01-484-5417 is a Engine,diesel, manufactured by Northern Lights Inc, classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-01-484-5417?

NSN 2815-01-484-5417 has 1 cross-referenced part number: M673 (Northern Lights Inc).

What NSN replaces 2815-01-484-5417?

There are 3 known substitutes for 2815-01-484-5417: 5940-00-501-6834, 5930-00-647-0529, 5310-01-542-4891. Verify interchangeability with system specifications before substitution.

What are the specifications of M673?

Key specifications for M673: Engine Overall Height: 20.670 INCHES NOMINAL IN; Weight: 362.00 POUNDS LBS; Stroke Length: 2.520 INCHES IN; Cylinder Quantity: 3. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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