The Duct,air,vehicular, cataloged under National Stock Number 2590-01-546-9341, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2590-01-546-9341 |
| Primary Part Number | 117-3912 |
| Item Name | Duct,air,vehicular |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| 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 |
|---|---|
| 431-410-0011 | Aurora Konrad G. Schulz Gmbh & Co. Kg (DEU) |
| 117-3912 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 117-3912 | Perkins Engines Company Ltd (GBR) |
NSN 2590-01-546-9341 is a Duct,air,vehicular, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-01-546-9341 has 3 manufacturer part numbers on file: 431-410-0011 (Aurora Konrad G. Schulz Gmbh & Co. Kg), 117-3912 (Caterpillar Inc Div Caterpillar Defense), 117-3912 (Perkins Engines Company Ltd).
Key specifications for 117-3912: End Item Identification: 320B TRACK TYPE EXCAVATOR. 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.