The Blower,air Barrier, cataloged under National Stock Number 4140-01-286-2729, 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 Us Army Aviation and Missile Command. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-286-2729 |
| Primary Part Number | 11454051-2 |
| Item Name | Blower,air Barrier |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| 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 |
|---|---|
| 11454051-2 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 4140PL2089703 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 026986000 | 5/2 Secondary reference U.S. Government activity |
| 026986000- SPTST,200AC,N,942WF | 5/2 Secondary reference U.S. Government activity |
| 11454051-2 | 5/9 Secondary reference U.S. Government activity |
NSN 4140-01-286-2729 is a Blower,air Barrier, manufactured by Us Army Aviation and Missile Command, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-286-2729 has 1 manufacturer part number on file: 11454051-2 (Us Army Aviation and Missile Command).
Key specifications for 11454051-2: Special Features: C/O 3 EXTERNAL CONNECTIONS;8 HOLES 0.166 IN.,4 PER SIDE;CASEING O/A HT AND LGTH 4.690;O/A LGTH FROM CTR OF SIDE SCREWS TO THE CTR OF THE FAN IS 2.062 IN.;ONE CONNECTOR;ROTATION OF FAN IS LEFT TO RIGHT IN. 0 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.