The Blower,air Barrier, cataloged under National Stock Number 4140-01-420-9267, 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 Regal-Beloit Corporation Dba Fasco Group Div Cassville Division. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Blower,air Barrier |
| FSC / FSG | 4140 — Fans, Air Circulators, and Blower Equipment (FSG 41) |
| Manufacturers | Regal-Beloit Corporation Dba Fasco Group Div Cassville Division (CAGE 60399); The Boeing Company Div Legacy Am&m (CAGE 43999) |
| Parameter | Value |
|---|---|
| NSN | 4140-01-420-9267 |
| Primary Part Number | 9000-0053 |
| Item Name | Blower,air Barrier |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Regal-Beloit Corporation Dba Fasco Group Div Cassville Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 9000-0053 PRIMARY | Regal-Beloit Corporation Dba Fasco Group Div Cassville Division (USA) |
| 20000500120-021 | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| 7000-5506 | 5/9 Secondary reference Regal-Beloit Corporation Dba Fasco Group Div Cassville Division |
NSN 4140-01-420-9267 is a Blower,air Barrier, manufactured by Regal-Beloit Corporation Dba Fasco Group Div Cassville Division, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-420-9267 has 2 manufacturer part numbers on file: 9000-0053 (Regal-Beloit Corporation Dba Fasco Group Div Cassville Division), 20000500120-021 (The Boeing Company Div Legacy Am&m).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-678-4754. Verify interchangeability with system specifications before substitution.
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.