NSN 2930-00-656-0478 · NIIN 006560478 · Part number 6560478
U S Army Tank Automotive Command Amsta-Im-Mm · FSC 2930 — Engine Cooling System Components, Nonaircraft · FSG 29 — Engine Accessories · CAGE 19207
Government record, cited
NSN 2930-00-656-0478 — this item is cataloged by the U.S. Government under National Stock Number 2930-00-656-0478. Manufacturer of record part number: 6560478.
Also searched as2930-00-656-0478 ·
2930006560478 ·
NIIN 006560478 ·
00-656-0478 ·
FSC 2930 Engine Cooling System Components, Nonaircraft · CAGE 19207 · 6560478 · TCA20-32 · TCA20-32
Diameter: 21.000 INCHES MINIMUM AND 21.125 INCHES MAXIMUM IN
Blade Quantity: 4
Mounting Bolt Circle Diameter: 1.745 INCHES MINIMUM AND 1.755 INCHES MAXIMUM IN
Identification
NSN: 2930-00-656-0478
NIIN: 006560478
FSC: 2930 — Engine Cooling System Components, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 6560478
Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description
The Impeller,fan,axial, cataloged under National Stock Number 2930-00-656-0478, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2930-00-656-0478
Primary Part Number
6560478
Item Name
Impeller,fan,axial
FSC / FSG
2930 / 29 — Engine Cooling System Components, Nonaircraft
Manufacturer
U S Army Tank Automotive Command Amsta-Im-Mm
Status
ACTIVE
Mounting Hole Quantity
4
Style Designator
ROUNDED TIP
Attachment Method
BOLT HOLE
Mounting Hole Diameter
0.390 INCHES NOMINAL IN
Diameter
21.000 INCHES MINIMUM AND 21.125 INCHES MAXIMUM IN
U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Reference documents
Reference
Meaning
TCA20-32
5/9Secondary reference
Harvard Industries
No interchangeability data on file.
Other items in FSC 2930 — Engine Cooling System Components, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2930-00-008-1759
CAP,FILLER OPENING
2930-00-011-8885
2930-00-011-8885 · Item name not on file
2930-00-023-5186
CORE ASSEMBLY,OIL COOLER
2930-00-032-6470
2930-00-032-6470 · Item name not on file
2930-00-035-7667
2930-00-035-7667 · Item name not on file
2930-00-036-5099
2930-00-036-5099 · Item name not on file
2930-00-058-6570
2930-00-058-6570 · Item name not on file
2930-00-059-5776
2930-00-059-5776 · Item name not on file
Frequently Asked Questions
What is NSN 2930-00-656-0478?
NSN 2930-00-656-0478 is a Impeller,fan,axial, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
What part numbers are listed for NSN 2930-00-656-0478?
NSN 2930-00-656-0478 has 2 manufacturer part numbers on file: TCA20-32 (John Deer Consumer Products Inc), 6560478 (U S Army Tank Automotive Command Amsta-Im-Mm).
What are the specifications of 6560478?
Key specifications for 6560478: Mounting Hole Quantity: 4; Style Designator: ROUNDED TIP; Attachment Method: BOLT HOLE; Mounting Hole Diameter: 0.390 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 2930-00-656-0478 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.