The Fan,centrifugal, cataloged under National Stock Number 4140-00-490-0630, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 29 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-490-0630 |
| Primary Part Number | 2835830 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Outlet Location | BOTTOM |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Inclosure Type | FULLY INCLOSED |
| Outlet Inside Height | 1.578 INCHES NOMINAL IN |
| Length | 7.219 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.408 HORSEPOWER |
| Quantity | 1 |
| Style Designator | FIXED, RECTANGULAR OUTLETS |
| Diameter | 5.000 INCHES NOMINAL IN |
| Ambient Temp at Full Rated Power | 70.0 CELSIUS DEGC |
| Discharge Direction | VERTICAL DOWN |
| Outlet Inside Width | 3.688 INCHES NOMINAL IN |
| Height | 7.781 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 3650.0 |
| Surface Treatment | ENAMEL HOUSING |
| Surface Treatment | CADMIUM BLADE |
| Environmental Protection | HUMIDITY PROOF AND SHOCK PROOF AND VIBRATION PROOF |
| Width | 9.188 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 250.0 CUBIC FEET PER MINUTE NOMINAL |
| 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 |
|---|---|
| 2835830 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| A0-74658 | 3/2 Design control — primary reference U.S. Government activity |
| 2836157 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| DRPR-PS507CCW-561WF | 5/2 Secondary reference U.S. Government activity |
NSN 4140-00-490-0630 is a Fan,centrifugal, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-490-0630 has 1 manufacturer part number on file: 2835830 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2835830: Outlet Location: BOTTOM; Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: SINGLE. 29 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.