The Fan,circulating, cataloged under National Stock Number 4140-01-595-3701, 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 Yinlun Tdi, Llc Dba Yinlun Tdi, Llc. Government technical data includes 17 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 | 4140-01-595-3701 |
| Primary Part Number | 500-237 |
| Item Name | Fan,circulating |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Yinlun Tdi, Llc Dba Yinlun Tdi, Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 8 BOLT |
| Speed Adjustments | 0 TO FULL SPEED |
| Inclosure Type | GUARDED |
| Length | 84.0 MILLIMETERS NOMINAL MM |
| Flow Direction | OUTWARD |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 280.0 WATTS |
| Quantity | 2 |
| Style Designator | FIXED |
| Diameter | 305.0 MILLIMETERS NOMINAL MM |
| Ambient Temp at Full Rated Power | 120.0 FAHRENHEIT DEGF |
| Material | ALUMINUM ALLOY HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Electrical Connection Type | WIRE LEAD AND CONNECTOR |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 1732.0 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 |
|---|---|
| 500-237 PRIMARY | Yinlun Tdi, Llc Dba Yinlun Tdi, Llc (USA) |
NSN 4140-01-595-3701 is a Fan,circulating, manufactured by Yinlun Tdi, Llc Dba Yinlun Tdi, Llc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-595-3701 has 1 manufacturer part number on file: 500-237 (Yinlun Tdi, Llc Dba Yinlun Tdi, Llc).
Key specifications for 500-237: Mounting Facility Type and Quantity: 8 BOLT; Speed Adjustments: 0 TO FULL SPEED; Inclosure Type: GUARDED; Length: 84.0 MILLIMETERS NOMINAL MM. 17 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.