The Fan,centrifugal, cataloged under National Stock Number 4140-00-971-5759, is classified within Federal Supply Class 4140 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Rotron Incorporated. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-971-5759 |
| Primary Part Number | 021044 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — No Item Name Available |
| Manufacturer | Rotron Incorporated |
| Status | ACTIVE |
| Width | 5.188 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 3200.0 |
| Height | 7.781 INCHES NOMINAL IN |
| Length | 7.219 INCHES NOMINAL IN |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Style Designator | FIXED, INVERTED, RECTANGULAR OUTLET |
| Frequency in Hertz | 50.0 AND 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Surface Treatment | ZINC BLADE |
| Rotation Direction for Which Designed | CLOCKWISE |
| Material | STEEL OVERALL |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Discharge Direction | VERTICAL UP |
| Outlet Inside Width | 2.750 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Ambient Temp at Full Rated Power | 65.0 CELSIUS DEGC |
| Outlet Location | TOP |
| Prime Mover Power Rating | 0.160 HORSEPOWER |
| Voltage in Volts and Current Type | 115.0 AC |
| Outlet Inside Height | 1.422 INCHES NOMINAL IN |
| Prime Mover Type | ELECTRIC MOTOR |
| Air Flow Rate | 150.0 CUBIC FEET PER MINUTE NOMINAL |
| Stage Quantity | 1 |
| Mounting Facility Type and Quantity | 6 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Electrical Connection Type | WIRE LEAD |
| Surface Treatment | ENAMEL AND CHROMATE ZINC HOUSING |
| Phase | SINGLE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| DRPPI-KS505CW-329AF | Rotron Incorporated (USA) |
| DRPPI-KS505CW-329AS | Rotron Incorporated (USA) |
| 021044 PRIMARY | Rotron Incorporated (USA) |
| 8180000068 | Navcom Defense Electronics, Inc. (USA) |
NSN 4140-00-971-5759 is a Fan,centrifugal, manufactured by Rotron Incorporated, classified under FSC 4140 (No Item Name Available). Status: active.
NSN 4140-00-971-5759 has 4 cross-referenced part numbers: DRPPI-KS505CW-329AF (Rotron Incorporated), DRPPI-KS505CW-329AS (Rotron Incorporated), 021044 (Rotron Incorporated), 8180000068 (Navcom Defense Electronics, Inc.).
There are 2 known substitutes for 4140-00-971-5759: 5905-01-269-4187, 6520-01-498-2611. Verify interchangeability with system specifications before substitution.
Key specifications for 021044: Width: 5.188 INCHES NOMINAL IN; Operating Speed at Rated Capacity in RPM: 3200.0; Height: 7.781 INCHES NOMINAL IN; Length: 7.219 INCHES NOMINAL IN. 29 total characteristics are documented in the Federal Logistics Information System.