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NSN 2815-01-643-5851Government record, cited

Piston and Ring Assembly2815-01-643-5851

NSN 2815-01-643-5851 · NIIN 016435851 · Part number 2361863
Fairbanks Morse, Llc · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 7PZX0
Government record, cited
NSN 2815-01-643-5851 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-643-5851. Manufacturer of record part number: 2361863.
Also searched as  2815-01-643-5851 · 2815016435851 · NIIN 016435851 · 01-643-5851 · FSC 2815 Diesel Engines and Components · CAGE 7PZX0 · 2361863
Nearby stock numbers  ·
Features
  • Piston and Ring Assembly — FSC 2815
  • 1 manufacturer part number on file
  • Manufacturer of record: Fairbanks Morse, Llc
Identification
  • NSN: 2815-01-643-5851
  • NIIN: 016435851
  • FSC: 2815 — Diesel Engines and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: 2361863
  • Manufacturer: Fairbanks Morse, Llc
General Description

The Piston and Ring Assembly, cataloged under National Stock Number 2815-01-643-5851, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Fairbanks Morse, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2815-01-643-5851
Primary Part Number2361863
Item NamePiston and Ring Assembly
FSC / FSG2815 / 28 — Diesel Engines and Components
ManufacturerFairbanks Morse, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
2361863 PRIMARY Fairbanks Morse, Llc (USA)
Reference documents
ReferenceMeaning
2361863 3/9 Design control — primary reference
Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco
No interchangeability data on file.
Other items in FSC 2815 — Diesel Engines and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2815-00-000-0075
ENGINE,DIESEL
2815-00-001-0022
VALVE,POPPET,ENGINE
2815-00-001-3475
PISTON,INTERNAL COMBUSTION ENGIN
2815-00-001-7728
TAPPET,PUMP
2815-00-001-7737
2815-00-001-7737 · Item name not on file
2815-00-001-7805
OIL PUMP ASSEMBLY
2815-00-001-7806
CAMSHAFT,ENGINE
2815-00-001-7813
RING SET,PISTON

Frequently Asked Questions

What is NSN 2815-01-643-5851?

NSN 2815-01-643-5851 is a Piston and Ring Assembly, manufactured by Fairbanks Morse, Llc, classified under FSC 2815, Diesel Engines and Components. Status: active.

What part numbers are listed for NSN 2815-01-643-5851?

NSN 2815-01-643-5851 has 1 manufacturer part number on file: 2361863 (Fairbanks Morse, Llc).

What are the specifications of 2361863?

Key specifications for 2361863: End Item Identification: ENGINE, DIESEL, PN - 251F18MS. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2815-01-643-5851 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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