The Blower,air Barrier, cataloged under National Stock Number 4140-01-625-6435, 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 Rotron Incorporated. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-625-6435 |
| Primary Part Number | 2161001 |
| Item Name | Blower,air Barrier |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Rotron Incorporated |
| Status | ACTIVE |
| Speed Adjustments | THREE SPEED |
| Electric Motor Quantity | 1 |
| Maximum Air Capacity in Cubic Feet Per Minute | 200.0 |
| Material | STEEL |
| Voltage Rating | 12.0 VOLTS NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2161001 PRIMARY | Rotron Incorporated (USA) |
| Reference | Meaning |
|---|---|
| 6014365 | 7/2 Vendor item drawing reference Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
NSN 4140-01-625-6435 is a Blower,air Barrier, manufactured by Rotron Incorporated, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-625-6435 has 1 manufacturer part number on file: 2161001 (Rotron Incorporated).
Key specifications for 2161001: Speed Adjustments: THREE SPEED; Overall Height: 6.960 INCHES NOMINAL IN; Overall Length: 18.760 INCHES NOMINAL IN; Overall Width: 19.000 INCHES NOMINAL IN. 5 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.
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.