The Fan,centrifugal, cataloged under National Stock Number 4140-01-277-2546, 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 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-277-2546 |
| Primary Part Number | 033068 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — No Item Name Available |
| Manufacturer | Rotron Incorporated |
| Status | ACTIVE |
| Length | 9.840 INCHES NOMINAL IN |
| Outlet Location | TOP |
| Height | 8.440 INCHES NOMINAL IN |
| Speed Adjustments | SINGLE SPEED |
| Quantity | 1 |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE AND CLOCKWISE |
| Drive Type | DIRECT |
| Discharge Direction | ANGULAR DOWN AND ANGULAR UP AND HORIZONTAL AND VERTICAL DOWN AND VERTICAL UP |
| Air Flow Rate | 570.0 CUBIC FEET PER MINUTE MINIMUM AND 670.0 CUBIC FEET PER MINUTE MAXIMUM |
| Prime Mover Type | ELECTRIC MOTOR |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Mounting Facility Type and Quantity | 8 UNTHREADED HOLE(S) |
| Outlet Inside Width | 4.820 INCHES NOMINAL IN |
| Electrical Connection Type | WIRE LEAD |
| Operating Speed at Rated Capacity in RPM | 2870.0 AND 3340.0 |
| Phase | SINGLE |
| Frequency in Hertz | 50.0 AND 60.0 |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Width | 16.890 INCHES NOMINAL IN |
| Inclosure Type | FULLY INCLOSED |
| Outlet Inside Height | 3.630 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Prime Mover Power Rating | 370.0 WATTS AND 550.0 WATTS |
| Material | STEEL OVERALL |
| Style Designator | FIXED, DUAL IMPELLER, RECTANGULAR OUTLET |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 171207-1 | Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA) |
| BRFS/KS504CCW808AF | Rotron Incorporated (USA) |
| 033068 PRIMARY | Rotron Incorporated (USA) |
NSN 4140-01-277-2546 is a Fan,centrifugal, manufactured by Rotron Incorporated, classified under FSC 4140 (No Item Name Available). Status: active.
NSN 4140-01-277-2546 has 3 cross-referenced part numbers: 171207-1 (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp), BRFS/KS504CCW808AF (Rotron Incorporated), 033068 (Rotron Incorporated).
There are 4 known substitutes for 4140-01-277-2546: 5315-00-011-4783, 2040-00-086-9836, 5930-01-351-3610 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 033068: Length: 9.840 INCHES NOMINAL IN; Outlet Location: TOP; Height: 8.440 INCHES NOMINAL IN; Speed Adjustments: SINGLE SPEED. 25 total characteristics are documented in the Federal Logistics Information System.