The Fan,centrifugal, cataloged under National Stock Number 4140-00-932-6074, 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 L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 27 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4140-00-932-6074 |
| Primary Part Number | 8647747 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | ACTIVE |
| Outlet Location | BOTTOM OR TOP |
| Mounting Facility Type and Quantity | 1 FLANGE AND 4 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | THREE |
| Frequency in Hertz | 400.0 |
| Inclosure Type | FULLY INCLOSED |
| Outlet Inside Height | 3.190 INCHES NOMINAL IN |
| Length | 7.810 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 208.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 1.072 HORSEPOWER |
| Style Designator | FIXED, RECTANGULAR OUTLETS |
| Ambient Temp at Full Rated Power | 110.0 CELSIUS DEGC |
| Discharge Direction | ANGULAR DOWN AND ANGULAR UP AND HORIZONTAL AND VERTICAL DOWN AND VERTICAL UP |
| Outlet Inside Width | 3.000 INCHES NOMINAL IN |
| Height | 8.720 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 5400.0 |
| Surface Treatment | ZINC BLADE |
| Surface Treatment | CHROMATE ZINC AND ENAMEL HOUSING |
| Width | 7.970 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 | 485.0 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 |
| Part Number | Manufacturer |
|---|---|
| 8647747 | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| Reference | Meaning |
|---|---|
| 8647747 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| DRFP-NS4502CCW-267JH | 5/2 Secondary reference U.S. Government activity |
| DRFP-NS4502CCW-781JS | 5/9 Secondary reference U.S. Government activity |
| 021126 | 3/2 Design control — primary reference U.S. Government activity |
| A0-19649 | 5/2 Secondary reference U.S. Government activity |
NSN 4140-00-932-6074 is a Fan,centrifugal, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-932-6074 has 1 manufacturer part number on file: 8647747 (L3 Technologies, Inc. Div Communication Systems-East).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-499-6579. Verify interchangeability with system specifications before substitution.
Key specifications for 8647747: Outlet Location: BOTTOM OR TOP; Mounting Facility Type and Quantity: 1 FLANGE AND 4 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: THREE. 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.