The Fan,centrifugal, cataloged under National Stock Number 4140-00-196-3638, 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 Df Fan Services Inc Dba Clarage Fan Co. Government technical data includes 25 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-196-3638 |
| Primary Part Number | R77476-1 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Df Fan Services Inc Dba Clarage Fan Co |
| Status | ACTIVE |
| Outlet Location | TOP |
| Mounting Facility Type and Quantity | 1 FLANGE AND 3 THREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | THREE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Length | 14.630 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 230.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 1.500 HORSEPOWER |
| Outlet Inside Diameter | 4.250 INCHES NOMINAL IN |
| Style Designator | FIXED,ROUND OUTLETS |
| Features Provided | INLET SCREEN |
| Discharge Direction | VERTICAL UP |
| Height | 15.000 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 3450.0 |
| Width | 16.000 INCHES NOMINAL IN |
| Material | STEEL BLADE |
| Material | IRON CAST HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | CONNECTOR |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 1200.0 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 |
|---|---|
| R77476-1 PRIMARY | Df Fan Services Inc Dba Clarage Fan Co (USA) |
| 10043-5510 | L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA) |
| Reference | Meaning |
|---|---|
| 6049-5500 | 5/9 Secondary reference L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications |
| 962-5500 | 5/9 Secondary reference L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications |
| R-77476-1 | 5/9 Secondary reference Zurn Industries Inc Claradge Fan Co |
NSN 4140-00-196-3638 is a Fan,centrifugal, manufactured by Df Fan Services Inc Dba Clarage Fan Co, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-196-3638 has 2 manufacturer part numbers on file: R77476-1 (Df Fan Services Inc Dba Clarage Fan Co), 10043-5510 (L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications).
Key specifications for R77476-1: Outlet Location: TOP; Mounting Facility Type and Quantity: 1 FLANGE AND 3 THREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: THREE. 25 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.