The Blower,air Barrier, cataloged under National Stock Number 4140-01-366-2458, 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 U S Dept of Transportation Federal Aviation Administration. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-366-2458 |
| Primary Part Number | 35971662 |
| Item Name | Blower,air Barrier |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | U S Dept of Transportation Federal Aviation Administration |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 35971662 PRIMARY | U S Dept of Transportation Federal Aviation Administration (USA) |
| Reference | Meaning |
|---|---|
| MODEL C-1217 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corp Lockheed Martin Mission Systems |
| 35971662 | 5/9 Secondary reference Lockheed Martin Corp Lockheed Martin Mission Systems |
NSN 4140-01-366-2458 is a Blower,air Barrier, manufactured by U S Dept of Transportation Federal Aviation Administration, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-366-2458 has 1 manufacturer part number on file: 35971662 (U S Dept of Transportation Federal Aviation Administration).
Key specifications for 35971662: Special Features: FUNCTION, BLOWER/TEMPERATURE SENSOR ASSEMBLY; REFERENCE DATA, 4B3, TI-6365.3, PG 8-17; End Item Identification: MODE-S BEACON INTERROGATOR. 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.
NSN 4140-01-366-2458 has DEMIL Code B. 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.