NSN 2815-01-187-2328 · NIIN 011872328 · Part number 1U48
Caterpillar Inc Div Caterpillar Defense · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 11083
Government record, cited
NSN 2815-01-187-2328 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-187-2328. Manufacturer of record part number: 1U48.
Also searched as2815-01-187-2328 ·
2815011872328 ·
NIIN 011872328 ·
01-187-2328 ·
FSC 2815 Diesel Engines and Components · CAGE 11083 · 1U48 · 1U0048 · 35280
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 2815-01-187-2328
NIIN: 011872328
FSC: 2815 — Diesel Engines and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 1U48
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Flywheel,engine, cataloged under National Stock Number 2815-01-187-2328, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Flywheel,engine
FSC / FSG
2815 — Diesel Engines and Components (FSG 28)
Manufacturers
Caterpillar Inc Div Caterpillar Defense (CAGE 11083)
Technical Specifications
Parameter
Value
NSN
2815-01-187-2328
Primary Part Number
1U48
Item Name
Flywheel,engine
FSC / FSG
2815 / 28 — Diesel Engines and Components
Manufacturer
Caterpillar Inc Div Caterpillar Defense
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5330-01-624-757635280POSSIBLE MATCH
GASKET
Possible match (shared part number)Greystone, Inc.
5136-01-642-862735280POSSIBLE MATCH
TAP,THREAD CUTTING
Possible match (shared part number)Greenfield Industries Inc
NSN 2815-01-187-2328 is a Flywheel,engine, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2815, Diesel Engines and Components. Status: active.
What part numbers are listed for NSN 2815-01-187-2328?
NSN 2815-01-187-2328 has 2 manufacturer part numbers on file: 1U48 (Caterpillar Inc Div Caterpillar Defense), 1U0048 (Caterpillar Inc Div Caterpillar Defense).
What NSN replaces 2815-01-187-2328?
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-624-7576, 5136-01-642-8627. Verify interchangeability with system specifications before substitution.
Is NSN 2815-01-187-2328 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.