PartsTable TECHNICAL DATA SHEET
NSN 2815-01-122-0328Government record, cited

Engine, Diesel2815-01-122-0328

NSN 2815-01-122-0328 · NIIN 011220328 · Part number 3408TA
Caterpillar Inc Div Caterpillar Defense · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 11083
Government record, cited
NSN 2815-01-122-0328 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-122-0328. Manufacturer of record part number: 3408TA.
Also searched as  2815-01-122-0328 · 2815011220328 · NIIN 011220328 · 01-122-0328 · FSC 2815 Diesel Engines and Components · CAGE 11083 · 3408TA · 7123-7300 · 12V-71T · KT-1150-M
Nearby stock numbers  ·
Features
  • Engine,diesel — FSC 2815
  • 4 manufacturer part numbers on file
  • Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
  • NSN: 2815-01-122-0328
  • NIIN: 011220328
  • FSC: 2815 — Diesel Engines and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: 3408TA
  • Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description

The Engine,diesel, cataloged under National Stock Number 2815-01-122-0328, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts
Item NameEngine,diesel
FSC / FSG2815 — Diesel Engines and Components (FSG 28)
ManufacturersAllison Transmission Inc Dba Allison Transmission, Inc (CAGE 73342); Caterpillar Inc Div Caterpillar Defense (CAGE 11083); Rolls-Royce Solutions America Inc (CAGE 72582); Cummins Inc. (CAGE 15434)
Technical Specifications
ParameterValue
NSN2815-01-122-0328
Primary Part Number3408TA
Item NameEngine,diesel
FSC / FSG2815 / 28 — Diesel Engines and Components
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Cross-Reference Index
Part NumberManufacturer
7123-7300 Allison Transmission Inc Dba Allison Transmission, Inc (USA)
3408TA PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
12V-71T PRIMARY Rolls-Royce Solutions America Inc (USA)
KT-1150-M PRIMARY Cummins Inc. (USA)
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.
2815-00-011-9099
2815-00-011-9099 · Item name not on file
2815-00-017-1875
PIN
2815-00-024-4185
2815-00-024-4185 · Item name not on file
2815-00-033-1482
2815-00-033-1482 · Item name not on file
2815-00-036-5350
2815-00-036-5350 · Item name not on file
2815-00-179-7630
TUBE
2815-00-346-4639
STRAINER ASSY
2815-00-592-5308
RING,PISTON

Frequently Asked Questions

What is NSN 2815-01-122-0328?

NSN 2815-01-122-0328 is a Engine,diesel, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2815, Diesel Engines and Components. Status: active.

What part numbers are listed for NSN 2815-01-122-0328?

NSN 2815-01-122-0328 has 4 manufacturer part numbers on file: 7123-7300 (Allison Transmission Inc Dba Allison Transmission, Inc), 3408TA (Caterpillar Inc Div Caterpillar Defense), 12V-71T (Rolls-Royce Solutions America Inc), KT-1150-M (Cummins Inc.).

Is NSN 2815-01-122-0328 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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