The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-00-960-8208, 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 Us Army Aviation and Missile Command. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-960-8208 |
| Primary Part Number | 9997662 |
| Item Name | Impeller,fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Style Designator | CURVED BLADES SINGLE WIDTH |
| Attachment Method | SETSCREW |
| Diameter | 3.810 INCHES NOMINAL IN |
| Blade Quantity | 24 |
| Width | 3.000 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 9997662 PRIMARY | Us Army Aviation and Missile Command (USA) |
| AA326-300-1CW ST/ZN 0.312BORE | Regal-Beloit Corporation Dba Fasco Group Div Cassville Division (USA) |
| Reference | Meaning |
|---|---|
| AA326-300-1 | 5/1 Secondary reference Regal-Beloit Corporation Dba Fasco Group Div Cassville Division |
| 40607-03 | 5/9 Secondary reference U.S. Government activity |
| 411142 | 5/2 Secondary reference U.S. Government activity |
NSN 4140-00-960-8208 is a Impeller,fan,centrifugal, manufactured by Us Army Aviation and Missile Command, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-960-8208 has 2 manufacturer part numbers on file: 9997662 (Us Army Aviation and Missile Command), AA326-300-1CW ST/ZN 0.312BORE (Regal-Beloit Corporation Dba Fasco Group Div Cassville Division).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-205-0617. Verify interchangeability with system specifications before substitution.
Key specifications for 9997662: Style Designator: CURVED BLADES SINGLE WIDTH; Attachment Method: SETSCREW; Diameter: 3.810 INCHES NOMINAL IN; Blade Quantity: 24. 7 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.