The Fan Assembly,centrifugal, cataloged under National Stock Number 4140-01-700-0308, 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 9 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 | 4140-01-700-0308 |
| Primary Part Number | 12666488 |
| Item Name | Fan Assembly,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Component Quantity | 7 |
| Supply Items and Quantities | 1 EA ADAPTER BRACKET ASSEMBLY, 1EA CENTRIFUGAL D.C. BLOWER; 6 EA FLAT WASHER; 4 EA FLAT WASHER; 4 EA LYLON INSERT LOCKNUT; 6 EA SOCKET HEAD SCREW; 6 EA HEX, LOCKNUT |
| Unpackaged Unit Length | 7.0 INCHES MAXIMUM IN |
| Component Document Origin | GOVERNMENT |
| Unpackaged Unit Width | 7.0 INCHES MAXIMUM IN |
| End Item Name | M577, CARRIER, COMMAND POST |
| Unpackaged Unit Height | 8.0 INCHES MAXIMUM IN |
| Document Source | 19207 |
| Accessory Component Quantity | 28 |
| 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 |
|---|---|
| 12666488 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 4140-01-700-0308 is a Fan Assembly,centrifugal, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-700-0308 has 1 manufacturer part number on file: 12666488 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12666488: Component Quantity: 7; Supply Items and Quantities: 1 EA ADAPTER BRACKET ASSEMBLY, 1EA CENTRIFUGAL D.C. BLOWER; 6 EA FLAT WASHER; 4 EA FLAT WASHER; 4 EA LYLON INSERT LOCKNUT; 6 EA SOCKET HEAD SCREW; 6 EA HEX, LOCKNUT; Unpackaged Unit Length: 7.0 INCHES MAXIMUM IN; Component Document Origin: GOVERNMENT. 9 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.