NSN 2930-01-346-7433 — this item is cataloged by the U.S. Government under National Stock Number 2930-01-346-7433. Manufacturer of record part number: 4W0251.
Also searched as2930-01-346-7433 ·
2930013467433 ·
NIIN 013467433 ·
01-346-7433 ·
FSC 2930 Engine Cooling System Components, Nonaircraft · CAGE 11083 · 4W0251
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 2930-01-346-7433
NIIN: 013467433
FSC: 2930 — Engine Cooling System Components, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 4W0251
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Impeller,pump,centrifugal, cataloged under National Stock Number 2930-01-346-7433, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2930-01-346-7433
Primary Part Number
4W0251
Item Name
Impeller,pump,centrifugal
FSC / FSG
2930 / 29 — Engine Cooling System Components, Nonaircraft
Other items in FSC 2930 — Engine Cooling System Components, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2930-00-000-3438
2930-00-000-3438 · Item name not on file
2930-00-001-3502
PARTS KIT,ENGINE WATER PUMP
2930-00-001-6288
2930-00-001-6288 · Item name not on file
2930-00-001-6299
PUMP,COOLING SYSTEM,ENGINE
2930-00-001-6300
PUMP,COOLING SYSTEM,ENGINE
2930-00-001-6301
PUMP,COOLING SYSTEM,ENGINE
2930-00-001-6302
CORE,RADIATOR
2930-00-001-7842
2930-00-001-7842 · Item name not on file
Frequently Asked Questions
What is NSN 2930-01-346-7433?
NSN 2930-01-346-7433 is a Impeller,pump,centrifugal, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
What part numbers are listed for NSN 2930-01-346-7433?
NSN 2930-01-346-7433 has 1 manufacturer part number on file: 4W0251 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 4W0251?
Key specifications for 4W0251: Special Features: PART NUMBER 4W0251 REPLACED BY PART NUMBER 152-3952 NSN 2520-01-474-1529; End Item Identification: E120-B TRACK TYPE EXCAVATOR. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2930-01-346-7433 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.