The Fan,tubeaxial, cataloged under National Stock Number 4140-01-599-2161, 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 Nidec-Torin Corp. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-599-2161 |
| Primary Part Number | TA450DCB31257 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Nidec-Torin Corp |
| Status | ACTIVE |
| Shaft Bearing Type | BALL |
| Inclosure Type | GUARDED |
| Prime Mover Power Rating | 6.7 WATTS |
| Ambient Temp at Full Rated Power | 70.0 CELSIUS DEGC |
| Operating Speed at Rated Capacity in RPM | 3250.0 |
| Material | PLASTIC HOUSING OUTSIDE |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | WIRE LEAD |
| Air Flow Rate | 112.0 CUBIC FEET PER MINUTE NOMINAL |
| 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 |
|---|---|
| TA450DCB31257 PRIMARY | Nidec-Torin Corp (USA) |
| B31257 PRIMARY | Nidec-Torin Corp (USA) |
NSN 4140-01-599-2161 is a Fan,tubeaxial, manufactured by Nidec-Torin Corp, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-599-2161 has 2 manufacturer part numbers on file: TA450DCB31257 (Nidec-Torin Corp), B31257 (Nidec-Torin Corp).
Key specifications for TA450DCB31257: Shaft Bearing Type: BALL; Inclosure Type: GUARDED; Prime Mover Power Rating: 6.7 WATTS; Ambient Temp at Full Rated Power: 70.0 CELSIUS DEGC. 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.