The Impeller,fan,axial, cataloged under National Stock Number 4140-01-359-4171, 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 Airxcel, Inc. Dba R V Products Div Div Rv Products Division. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-359-4171 |
| Primary Part Number | 6733-3221 |
| Item Name | Impeller,fan,axial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Airxcel, Inc. Dba R V Products Div Div Rv Products Division |
| Status | ACTIVE |
| Mounting Hole Quantity | 1 |
| Style Designator | ROUNDED TIP |
| Attachment Method | BOLT HOLE AND SETSCREW |
| Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Diameter | 11.000 INCHES NOMINAL IN |
| Blade Quantity | 4 |
| Hub Location | CENTER |
| Material | ALUMINUM BLADE |
| 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 |
|---|---|
| 6733-3221 PRIMARY | Airxcel, Inc. Dba R V Products Div Div Rv Products Division (USA) |
| Reference | Meaning |
|---|---|
| 6733-3221 | 5/9 Secondary reference U.S. Government activity |
NSN 4140-01-359-4171 is a Impeller,fan,axial, manufactured by Airxcel, Inc. Dba R V Products Div Div Rv Products Division, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-359-4171 has 1 manufacturer part number on file: 6733-3221 (Airxcel, Inc. Dba R V Products Div Div Rv Products Division).
Key specifications for 6733-3221: Mounting Hole Quantity: 1; Style Designator: ROUNDED TIP; Attachment Method: BOLT HOLE AND SETSCREW; Mounting Hole Diameter: 0.125 INCHES NOMINAL IN. 9 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.