The Fan, cataloged under National Stock Number 4140-01-197-7658, 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 Control Data Systems Inc Contracts Dept. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4140-01-197-7658 |
| Primary Part Number | 21990089 |
| Item Name | Fan |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Control Data Systems Inc Contracts Dept |
| Status | ACTIVE |
| General Characteristics Item Description | 115V; 250 CFM V |
| 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 |
|---|---|
| 21990089 PRIMARY | Control Data Systems Inc Contracts Dept (USA) |
| 0021990089 | Control Data Systems Inc Contracts Dept (USA) |
| 21990089 | General Dynamics Mission Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 21990089 | 5/9 Secondary reference General Dynamics Information Systems Inc. Dba General Dynamics Advanced Information Systems |
NSN 4140-01-197-7658 is a Fan, manufactured by Control Data Systems Inc Contracts Dept, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-197-7658 has 3 manufacturer part numbers on file: 21990089 (Control Data Systems Inc Contracts Dept), 0021990089 (Control Data Systems Inc Contracts Dept), 21990089 (General Dynamics Mission Systems, Inc.).
Key specifications for 21990089: General Characteristics Item Description: 115V; 250 CFM V. 1 specification is 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.