The Fan,circulating, cataloged under National Stock Number 4140-01-483-7212, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4140-01-483-7212 |
| Primary Part Number | 12477553 |
| Item Name | Fan,circulating |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Inclosure Type | PARTIALLY INCLOSED |
| Voltage in Volts and Current Type | 26.0 DC |
| Quantity | 1 |
| Surface Treatment | ANODIZE OVERALL |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Electrical Connection Type | CONNECTOR AND WIRE LEAD |
| 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 |
|---|---|
| 12477553 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 011884000 | 3/2 Design control — primary reference U.S. Government activity |
| 011884 | 5/9 Secondary reference U.S. Government activity |
| 1247553 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 4140-01-483-7212 is a Fan,circulating, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-483-7212 has 1 manufacturer part number on file: 12477553 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-573-3894. Verify interchangeability with system specifications before substitution.
Key specifications for 12477553: Inclosure Type: PARTIALLY INCLOSED; Voltage in Volts and Current Type: 26.0 DC; Quantity: 1; Special Features: HIGH TEMP STORAGE 160DEG F;OPERATING 160 DEG F;LOW TEMP STORAGE -70DEG F; OPERATING -50DEG F DEGF. 6 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.