The Fan,vaneaxial, cataloged under National Stock Number 4140-00-770-9472, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Triumph Thermal Systems - Maryland, Inc.. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-770-9472 |
| Primary Part Number | 202208 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Triumph Thermal Systems - Maryland, Inc. |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 8 UNTHREADED HOLE(S) |
| Length | 8.940 INCHES NOMINAL IN |
| Housing Inside Diameter | 10.820 INCHES MINIMUM AND 10.880 INCHES MAXIMUM IN |
| Quantity | 1 |
| Style Designator | FIXED |
| Rotation Direction for Which Designed | CLOCKWISE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 202208 PRIMARY | Triumph Thermal Systems - Maryland, Inc. (USA) |
| 189087-300 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 2500-124D | 5/9 Secondary reference Tyco Inc |
| 189087-300 | 5/9 Secondary reference U.S. Government activity |
NSN 4140-00-770-9472 is a Fan,vaneaxial, manufactured by Triumph Thermal Systems - Maryland, Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-770-9472 has 2 manufacturer part numbers on file: 202208 (Triumph Thermal Systems - Maryland, Inc.), 189087-300 (Rtx Corporation Div Pratt & Whitney).
4 possible matches (shared part number, not a government interchangeability claim): 5310-01-354-5726, 4730-01-494-3090, 5950-01-517-6189. Verify interchangeability with system specifications before substitution.
Key specifications for 202208: Mounting Facility Type and Quantity: 8 UNTHREADED HOLE(S); Length: 8.940 INCHES NOMINAL IN; Housing Inside Diameter: 10.820 INCHES MINIMUM AND 10.880 INCHES MAXIMUM IN; Quantity: 1. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.