The Fan,centrifugal, cataloged under National Stock Number 4140-00-983-8048, 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 Us Army Aviation and Missile Command. Government technical data includes 28 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4140-00-983-8048 |
| Primary Part Number | 9987925 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Outlet Location | TOP |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Outlet Inside Height | 2.660 INCHES NOMINAL IN |
| Length | 6.250 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.107 HORSEPOWER |
| Style Designator | FIXED, INVERTED, RECTANGULAR OUTLET |
| Ambient Temp at Full Rated Power | -54.0 CELSIUS AND 62.0 CELSIUS DEGC |
| Discharge Direction | HORIZONTAL |
| Outlet Inside Width | 4.090 INCHES NOMINAL IN |
| Height | 6.880 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 3300.0 |
| Surface Treatment | CADMIUM BLADE |
| Surface Treatment | ENAMEL HOUSING OUTSIDE |
| Environmental Protection | VIBRATION PROOF |
| Width | 8.070 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 | 210.0 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 |
|---|---|
| 9987925 | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| DRPS/KS3504-320AS | 5/9 Secondary reference U.S. Government activity |
| DRPS-KS 3504 CW 329AF | 5/2 Secondary reference U.S. Government activity |
| A0-40607 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4140-00-983-8048 is a Fan,centrifugal, manufactured by Us Army Aviation and Missile Command, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-983-8048 has 1 manufacturer part number on file: 9987925 (Us Army Aviation and Missile Command).
Key specifications for 9987925: Outlet Location: TOP; Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: SINGLE. 28 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.