The Duct,exhaust,heater, cataloged under National Stock Number 2540-00-104-4580, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 1 specification, 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-00-104-4580 |
| Primary Part Number | 10942849 |
| Item Name | Duct,exhaust,heater |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,7.250 IN. EFFECTIVE LG,2.102 IN. MIN 2.112 IN. MAX OD,90.0 DEG ELBOW 3.000 IN.LG ONE END,126.0 DEG ELBOW 2.125 IN. LG OPPOSITE END,END CONNECTING CENTERS ARE PARALLEL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 10942849 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2540-00-104-4580 is a Duct,exhaust,heater, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-00-104-4580 has 1 manufacturer part number on file: 10942849 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10942849: General Characteristics Item Description: STEEL,7.250 IN. EFFECTIVE LG,2.102 IN. MIN 2.112 IN. MAX OD,90.0 DEG ELBOW 3.000 IN.LG ONE END,126.0 DEG ELBOW 2.125 IN. LG OPPOSITE END,END CONNECTING CENTERS ARE PARALLEL IN. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.