The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-00-707-5963, 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 Aesys Technologies, L.l.c. Dba Jackson & Church Hvac Global Div York Shipley Global. Government technical data includes 5 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4140-00-707-5963 |
| Primary Part Number | 47857 |
| Item Name | Impeller,fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Aesys Technologies, L.l.c. Dba Jackson & Church Hvac Global Div York Shipley Global |
| Status | ACTIVE |
| Style Designator | CURVED BLADES SINGLE WIDTH |
| Attachment Method | KEYWAY |
| Diameter | 6.312 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 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 |
|---|---|
| 47857 | Aesys Technologies, L.l.c. Dba Jackson & Church Hvac Global Div York Shipley Global (USA) |
| 381701090 | L & L Boiler Maintenance Inc (USA) |
| Reference | Meaning |
|---|---|
| 47857 | 5/2 Secondary reference U.S. Government activity |
| 6-1-737-1-2-7A | 5/9 Secondary reference Eidal International Corporation |
| R631-20S | 3/2 Design control — primary reference U.S. Government activity |
| 6-1-737-1-2-7 | 5/2 Secondary reference U.S. Government activity |
| 381701090 | 5/9 Secondary reference D & J Parts Inc |
NSN 4140-00-707-5963 is a Impeller,fan,centrifugal, manufactured by Aesys Technologies, L.l.c. Dba Jackson & Church Hvac Global Div York Shipley Global, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-707-5963 has 2 manufacturer part numbers on file: 47857 (Aesys Technologies, L.l.c. Dba Jackson & Church Hvac Global Div York Shipley Global), 381701090 (L & L Boiler Maintenance Inc).
1 possible match (shared part number, not a government interchangeability claim): 5120-00-756-9714. Verify interchangeability with system specifications before substitution.
Key specifications for 47857: Style Designator: CURVED BLADES SINGLE WIDTH; Attachment Method: KEYWAY; Diameter: 6.312 INCHES NOMINAL IN; Material: ALUMINUM ALLOY OVERALL. 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.