The Fan,circulating, cataloged under National Stock Number 4140-01-368-9721, 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 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-368-9721 |
| Primary Part Number | 112-045408-001 |
| Item Name | Fan,circulating |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 BRACKET(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Voltage in Volts and Current Type | 115.0 AC |
| Flow Direction | INWARD |
| Drive Type | DIRECT |
| Style Designator | FIXED |
| Prime Mover Type | ELECTRIC MOTOR |
| Electrical Connection Type | CONNECTOR |
| 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 |
|---|---|
| 112-045408-001 PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| Reference | Meaning |
|---|---|
| 004-056822-000 | D/9 Drawing number reference only Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
NSN 4140-01-368-9721 is a Fan,circulating, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-368-9721 has 1 manufacturer part number on file: 112-045408-001 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
Key specifications for 112-045408-001: Mounting Facility Type and Quantity: 2 BRACKET(S); Speed Adjustments: SINGLE SPEED; Phase: SINGLE; Frequency in Hertz: 60.0. 11 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.