The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-01-076-3720, 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 Aqua-Chem, Inc. Dba Aqua-Chem Inc. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-076-3720 |
| Primary Part Number | 192-07631-000 8 1/2IN |
| Item Name | Impeller,fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| Style Designator | CURVED BLADES SINGLE WIDTH |
| Attachment Method | KEYWAY |
| Diameter | 8.500 INCHES NOMINAL IN |
| Width | 2.500 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| 192-07631-000 8 1/2IN PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| 192-7631 8-1/2IN DIA | C/1 Advisory reference — outside the item-of-supply concept Aqua-Chem, Inc. |
| 192-07631-000 8 1/2IN | 3/9 Design control — primary reference Aqua-Chem, Inc. |
| 192-7631 | 5/1 Secondary reference Aqua-Chem, Inc. |
| 192-7631 8 1-2IN | 5/9 Secondary reference Aqua-Chem, Inc. |
NSN 4140-01-076-3720 is a Impeller,fan,centrifugal, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-076-3720 has 1 manufacturer part number on file: 192-07631-000 8 1/2IN (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
Key specifications for 192-07631-000 8 1/2IN: Style Designator: CURVED BLADES SINGLE WIDTH; Attachment Method: KEYWAY; Diameter: 8.500 INCHES NOMINAL IN; Width: 2.500 INCHES NOMINAL IN. 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.