The Fan,centrifugal, cataloged under National Stock Number 4140-00-254-7255, 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 L3harris Technologies, Inc. Dba Harris Corporation. Government technical data includes 27 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4140-00-254-7255 |
| Primary Part Number | 500627-1 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corporation |
| Status | ACTIVE |
| Outlet Location | TOP |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 400.0 |
| Inclosure Type | FULLY INCLOSED |
| Length | 3.880 INCHES MINIMUM AND 4.000 INCHES MAXIMUM IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.016 HORSEPOWER |
| Outlet Inside Diameter | 1.250 INCHES NOMINAL IN |
| Style Designator | FIXED,ROUND OUTLETS |
| Ambient Temp at Full Rated Power | -28.0 CELSIUS AND 70.0 CELSIUS DEGC |
| Discharge Direction | HORIZONTAL |
| Height | 3.750 INCHES MINIMUM AND 3.870 INCHES MAXIMUM IN |
| Operating Speed at Rated Capacity in RPM | 5500.0 |
| Surface Treatment | ENAMEL HOUSING |
| Surface Treatment | CADMIUM BLADE |
| Environmental Protection | FUNGUS RESISTANT AND HUMIDITY PROOF AND SHOCK PROOF AND VIBRATION PROOF |
| Width | 3.690 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 23.0 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 |
|---|---|
| 500627-1 | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| C5S2H-1C | Ashland Electric Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 024976 | 5/9 Secondary reference U.S. Government activity |
| 024976000 | 5/2 Secondary reference U.S. Government activity |
| DCPP-MS201CW-1268AF | 5/1 Secondary reference U.S. Government activity |
| 500627-1 | 3/9 Design control — primary reference U.S. Government activity |
| B20J4R7 | 5/9 Secondary reference Eastern Air Devices Inc Dba Ead Motors |
| A0-74665 | 5/9 Secondary reference U.S. Government activity |
NSN 4140-00-254-7255 is a Fan,centrifugal, manufactured by L3harris Technologies, Inc. Dba Harris Corporation, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-254-7255 has 2 manufacturer part numbers on file: 500627-1 (L3harris Technologies, Inc. Dba Harris Corporation), C5S2H-1C (Ashland Electric Products Inc).
1 possible match (shared part number, not a government interchangeability claim): 1630-01-306-3678. Verify interchangeability with system specifications before substitution.
Key specifications for 500627-1: Outlet Location: TOP; Mounting Facility Type and Quantity: 2 THREADED HOLE(S); 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.