The Impeller,fan,axial, cataloged under National Stock Number 4140-01-474-3597, 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 Altec Air, Llc Dba Altec Llc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-474-3597 |
| Primary Part Number | P4022 |
| Item Name | Impeller,fan,axial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Altec Air, Llc Dba Altec Llc |
| Status | ACTIVE |
| Style Designator | ROUNDED TIP |
| Diameter | 4.450 INCHES MINIMUM AND 4.510 INCHES MAXIMUM IN |
| Blade Quantity | 5 |
| Hub Location | CENTER |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| 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 |
|---|---|
| P4022 PRIMARY | Altec Air, Llc Dba Altec Llc (USA) |
NSN 4140-01-474-3597 is a Impeller,fan,axial, manufactured by Altec Air, Llc Dba Altec Llc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-474-3597 has 1 manufacturer part number on file: P4022 (Altec Air, Llc Dba Altec Llc).
Key specifications for P4022: Style Designator: ROUNDED TIP; Diameter: 4.450 INCHES MINIMUM AND 4.510 INCHES MAXIMUM IN; Blade Quantity: 5; Hub Location: CENTER. 5 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.