The Fan,centrifugal, cataloged under National Stock Number 4140-01-225-3637, 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 L3harris Technologies, Inc.. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-225-3637 |
| Primary Part Number | 3131242G002 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | L3harris Technologies, Inc. |
| Status | ACTIVE |
| Speed Adjustments | SINGLE SPEED |
| Phase | THREE |
| Inclosure Type | FULLY INCLOSED |
| Length | 12.880 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Quantity | 1 |
| Style Designator | FIXED, MULTISTAGE |
| Diameter | 12.000 INCHES NOMINAL IN |
| Discharge Direction | HORIZONTAL |
| Operating Speed at Rated Capacity in RPM | 5800.0 |
| Width | 0.310 INCHES NOMINAL IN |
| Prime Mover Type | ELECTRIC MOTOR |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Air Flow Rate | 215.000 CUBIC FEET PER MINUTE NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3131242G002 | L3harris Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 035837 | 3/2 Design control — primary reference U.S. Government activity |
| 034281 | 5/9 Secondary reference U.S. Government activity |
| LLPP/N2-120005-579JF,MTG.DETAIL4 | 5/9 Secondary reference U.S. Government activity |
NSN 4140-01-225-3637 is a Fan,centrifugal, manufactured by L3harris Technologies, Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-225-3637 has 1 manufacturer part number on file: 3131242G002 (L3harris Technologies, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-484-9735. Verify interchangeability with system specifications before substitution.
Key specifications for 3131242G002: Speed Adjustments: SINGLE SPEED; Phase: THREE; Inclosure Type: FULLY INCLOSED; Length: 12.880 INCHES NOMINAL IN. 15 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.
NSN 4140-01-225-3637 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.