The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-01-066-9503, 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 Philips Industries Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4140-01-066-9503 |
| Primary Part Number | SS707-68 |
| Item Name | Impeller,fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Philips Industries Inc |
| Status | ACTIVE |
| Style Designator | CURVED BLADES SINGLE WIDTH |
| Attachment Method | SETSCREW |
| Diameter | 7.440 INCHES NOMINAL IN |
| Blade Quantity | 36 |
| Width | 4.250 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY BLADE |
| 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 |
|---|---|
| SS707-68 PRIMARY | Philips Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 13221E4553 | 5/2 Secondary reference U.S. Government activity |
NSN 4140-01-066-9503 is a Impeller,fan,centrifugal, manufactured by Philips Industries Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-066-9503 has 1 manufacturer part number on file: SS707-68 (Philips Industries Inc).
Key specifications for SS707-68: Style Designator: CURVED BLADES SINGLE WIDTH; Attachment Method: SETSCREW; Diameter: 7.440 INCHES NOMINAL IN; Blade Quantity: 36. 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.