The Fan,centrifugal, cataloged under National Stock Number 4140-00-277-3131, 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 20 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4140-00-277-3131 |
| Primary Part Number | 021196 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — No Item Name Available |
| Manufacturer | Rotron Incorporated |
| Status | CANCELLED |
| Discharge Direction | ANGULAR DOWN |
| Prime Mover Type | ELECTRIC MOTOR |
| Stage Quantity | 1 |
| Quantity | 1 |
| Surface Treatment | ENAMEL HOUSING |
| Drive Type | DIRECT |
| Inclosure Type | FULLY INCLOSED |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Operating Speed at Rated Capacity in RPM | 3100.0 |
| Phase | SINGLE |
| Electrical Connection Type | WIRE LEAD |
| Outlet Inside Height | 2.750 INCHES NOMINAL IN |
| Outlet Inside Width | 1.469 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM BLADE |
| Material | STEEL OVERALL |
| Prime Mover Power Rating | 0.033 HORSEPOWER |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Ambient Temp at Full Rated Power | 75.0 CELSIUS DEGC |
| Outlet Location | TOP |
| Voltage in Volts and Current Type | 115.0 AC |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 021196 PRIMARY | Rotron Incorporated (USA) |
| DRFX-KS505CCW-94AF | Rotron Incorporated (USA) |
| 14263 | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| A0-20999 | Rotron Incorporated (USA) |
NSN 4140-00-277-3131 is a Fan,centrifugal, manufactured by Rotron Incorporated, classified under FSC 4140 (No Item Name Available). Status: cancelled.
NSN 4140-00-277-3131 has 4 cross-referenced part numbers: 021196 (Rotron Incorporated), DRFX-KS505CCW-94AF (Rotron Incorporated), 14263 (L3harris Technologies, Inc. Div Space and Airborne Systems), A0-20999 (Rotron Incorporated).
There are 8 known substitutes for 4140-00-277-3131: 9540-00-145-7424, 9540-00-145-7426, 5940-00-194-4206 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 021196: Discharge Direction: ANGULAR DOWN; Prime Mover Type: ELECTRIC MOTOR; Stage Quantity: 1; Quantity: 1. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 4140-00-277-3131 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.