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NSN 2815-01-178-0716Government record, cited

Shaft Assembly, Oil Pump Idler2815-01-178-0716

NSN 2815-01-178-0716 · NIIN 011780716 · Part number 1W-7239
Caterpillar Inc Div Caterpillar Defense · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 11083
Government record, cited
NSN 2815-01-178-0716 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-178-0716. Manufacturer of record part number: 1W-7239.
Also searched as  2815-01-178-0716 · 2815011780716 · NIIN 011780716 · 01-178-0716 · FSC 2815 Diesel Engines and Components · CAGE 11083 · 1W-7239 · 9HB421 · 9Y-4633 · 9HB421
Nearby stock numbers  ·
Features
  • Shaft Assembly,oil Pump Idler — FSC 2815
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
  • NSN: 2815-01-178-0716
  • NIIN: 011780716
  • FSC: 2815 — Diesel Engines and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: 1W-7239
  • Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description

The Shaft Assembly,oil Pump Idler, cataloged under National Stock Number 2815-01-178-0716, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts
Item NameShaft Assembly,oil Pump Idler
FSC / FSG2815 — Diesel Engines and Components (FSG 28)
ManufacturersOshkosh Defense Llc (CAGE 75Q65); Caterpillar Inc Div Caterpillar Defense (CAGE 11083)
Technical Specifications
ParameterValue
NSN2815-01-178-0716
Primary Part Number1W-7239
Item NameShaft Assembly,oil Pump Idler
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)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
9HB421 Oshkosh Defense Llc (USA)
1W-7239 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Reference documents
ReferenceMeaning
9Y-4633 5/9 Secondary reference
Caterpillar Inc Div Caterpillar Defense
9HB421 5/9 Secondary reference
Oshkosh Corp
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 2815-01-178-0716?

NSN 2815-01-178-0716 is a Shaft Assembly,oil Pump Idler, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2815, Diesel Engines and Components. Status: active.

What part numbers are listed for NSN 2815-01-178-0716?

NSN 2815-01-178-0716 has 2 manufacturer part numbers on file: 9HB421 (Oshkosh Defense Llc), 1W-7239 (Caterpillar Inc Div Caterpillar Defense).

Is NSN 2815-01-178-0716 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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