The Fan,centrifugal, cataloged under National Stock Number 4140-01-134-9838, 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 Ashland Electric Products Inc. Government technical data includes 25 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-134-9838 |
| Primary Part Number | C18Z20Q-3 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Ashland Electric Products Inc |
| Status | ACTIVE |
| Outlet Location | TOP |
| Mounting Facility Type and Quantity | 1 BASE PLATE AND 4 THREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | THREE |
| Inclosure Type | FULLY INCLOSED |
| Outlet Inside Height | 3.340 INCHES NOMINAL IN |
| Length | 6.060 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 220.0 AC |
| Drive Type | DIRECT |
| Style Designator | FIXED, DUAL IMPELLER, RECTANGULAR OUTLET |
| Discharge Direction | VERTICAL UP |
| Outlet Inside Width | 3.090 INCHES NOMINAL IN |
| Height | 8.720 INCHES NOMINAL IN |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 2900.0 |
| Surface Treatment | ZINC BLADE |
| Surface Treatment | ENAMEL HOUSING |
| Width | 12.240 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 | TERMINAL BOX |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 520.0 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 |
|---|---|
| C18Z20Q-3 | Ashland Electric Products Inc (USA) |
| Reference | Meaning |
|---|---|
| ARDSF-AD4502CCW-280JF | 5/1 Secondary reference U.S. Government activity |
| 027708 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4140-01-134-9838 is a Fan,centrifugal, manufactured by Ashland Electric Products Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-134-9838 has 1 manufacturer part number on file: C18Z20Q-3 (Ashland Electric Products Inc).
Key specifications for C18Z20Q-3: Outlet Location: TOP; Mounting Facility Type and Quantity: 1 BASE PLATE AND 4 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.