The Fan,circulating, cataloged under National Stock Number 4140-00-964-8623, 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 Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-964-8623 |
| Primary Part Number | A-A-1939 SIZE 3 115VAC |
| Item Name | Fan,circulating |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Speed Adjustments | THREE SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 50.0 |
| Inclosure Type | FULLY INCLOSED |
| Voltage in Volts and Current Type | 115.0 AC |
| Flow Direction | OUTWARD |
| Drive Type | DIRECT |
| Style Designator | PORTABLE |
| Nondefinitive Spec/std Data | 3 SIZE AND I TYPE |
| Material | PLASTIC BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Electrical Connection Type | CORD W/ATTACHED PLUG |
| 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 |
|---|---|
| A-A-1939 SIZE 3 115VAC | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| Reference | Meaning |
|---|---|
| MIL-F-53026 | 5/9 Secondary reference U.S. Government activity |
| W-F-101 | 5/9 Secondary reference U.S. Government activity |
NSN 4140-00-964-8623 is a Fan,circulating, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-964-8623 has 1 manufacturer part number on file: A-A-1939 SIZE 3 115VAC (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-290-3342. Verify interchangeability with system specifications before substitution.
Key specifications for A-A-1939 SIZE 3 115VAC: Speed Adjustments: THREE SPEED; Phase: SINGLE; Frequency in Hertz: 50.0; Inclosure Type: FULLY INCLOSED. 13 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.