The Fan,centrifugal, cataloged under National Stock Number 4140-00-385-2925, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-385-2925 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Outlet Location | TOP |
| Mounting Facility Type and Quantity | 1 FLANGE |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Inclosure Type | FULLY INCLOSED |
| Length | 3.937 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Style Designator | FIXED, INVERTED, RECTANGULAR OUTLET |
| Ambient Temp at Full Rated Power | -55.0 CELSIUS AND 65.0 CELSIUS DEGC |
| Discharge Direction | VERTICAL UP |
| Height | 3.812 INCHES NOMINAL IN |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 4300.0 |
| Surface Treatment | CADMIUM BLADE |
| Surface Treatment | ENAMEL SEMIGLOSS HOUSING INSIDE |
| Surface Treatment | ENAMEL SEMIGLOSS HOUSING OUTSIDE |
| Environmental Protection | WEATHERPROOF |
| Width | 3.391 INCHES NOMINAL IN |
| Material | STEEL BLADE |
| Material | STEEL HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | TERMINAL BLOCK |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 20.0 CUBIC FEET PER MINUTE MAXIMUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 021517 | 3/2 Design control — primary reference U.S. Government activity |
| DCFS-MS201CW-227AA | 5/9 Secondary reference U.S. Government activity |
| DCFS-MS201CW-227AF | 5/9 Secondary reference U.S. Government activity |
| DCFSTYPEMS201SERIES227AS | 5/9 Secondary reference U.S. Government activity |
| GF802P4 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 4140-00-385-2925 is a Fan,centrifugal, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-301-0997, 6515-01-500-3521. Verify interchangeability with system specifications before substitution.
Key specifications for 4140-00-385-2925: Outlet Location: TOP; Mounting Facility Type and Quantity: 1 FLANGE; Speed Adjustments: SINGLE SPEED; Phase: SINGLE. 27 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.