The Ventilator,air Circulating, cataloged under National Stock Number 2540-01-559-4727, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Active Gear Company of Canada Limited. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-559-4727 |
| Primary Part Number | 330 31 311 |
| Item Name | Ventilator,air Circulating |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Active Gear Company of Canada Limited |
| Status | ACTIVE |
| Color | BLACK |
| Material | PLASTIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 330 31 311 PRIMARY | Active Gear Company of Canada Limited (CAN) |
| 11E421234 PRIMARY | Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center (USA) |
| 281850 PRIMARY | West Marine Products, Inc. Div Government Sales (USA) |
| Reference | Meaning |
|---|---|
| RIA149449 | 5/9 Secondary reference Army, United States Department of the Dba Rock Island Arsenal Jmtc |
NSN 2540-01-559-4727 is a Ventilator,air Circulating, manufactured by Active Gear Company of Canada Limited, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-559-4727 has 3 manufacturer part numbers on file: 330 31 311 (Active Gear Company of Canada Limited), 11E421234 (Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center), 281850 (West Marine Products, Inc. Div Government Sales).
1 possible match (shared part number, not a government interchangeability claim): 6920-01-721-4448. Verify interchangeability with system specifications before substitution.
Key specifications for 330 31 311: Color: BLACK; Part Name Assigned by Controlling Agency: HEATER VENT; End Item Identification: FORWARD REPAIR SYSTEM (FRS); Material: PLASTIC. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.