The Fan,ventilating, cataloged under National Stock Number 4140-01-622-4375, 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 Ametek, Inc. Div Aerospace & Defense. Government technical data includes 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-622-4375 |
| Primary Part Number | 041457000 |
| Item Name | Fan,ventilating |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Ametek, Inc. Div Aerospace & Defense |
| Status | ACTIVE |
| Speed Adjustments | SINGLE SPEED |
| Phase | THREE |
| Shaft Bearing Type | BALL |
| Frequency in Hertz | 400.0 |
| Length | 9.0 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 200.0 AC |
| Surface Treatment Document and Classification | MIL-C-5541 MIL STD ALL TREATMENT RESPONSES BLADE |
| Housing Inside Diameter | 9.38 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 2502.0 WATTS |
| Style Designator | FIXED |
| Diameter | 11.0 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 7700.0 |
| Surface Treatment | ENAMEL BLADE |
| Material | ALUMINUM OVERALL |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Electrical Connection Type | CONNECTOR |
| Air Flow Rate | 2419.0 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 |
|---|---|
| 041457000 PRIMARY | Ametek, Inc. Div Aerospace & Defense (USA) |
NSN 4140-01-622-4375 is a Fan,ventilating, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-622-4375 has 1 manufacturer part number on file: 041457000 (Ametek, Inc. Div Aerospace & Defense).
Key specifications for 041457000: Speed Adjustments: SINGLE SPEED; Phase: THREE; Shaft Bearing Type: BALL; Frequency in Hertz: 400.0. 18 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.