The Heat Shield,exhaust, cataloged under National Stock Number 2990-01-433-2546, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Am General Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2990-01-433-2546 |
| Primary Part Number | 12460483 |
| Item Name | Heat Shield,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Am General Llc |
| Status | ACTIVE |
| Material | STEEL |
| 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 |
|---|---|
| 12460483 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12460483 PRIMARY | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| RCSK17282 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| RCSK17282 | 5/9 Secondary reference Am General Llc |
NSN 2990-01-433-2546 is a Heat Shield,exhaust, manufactured by Am General Llc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-433-2546 has 2 manufacturer part numbers on file: 12460483 (U S Army Tank Automotive Command Amsta-Im-Mm), 12460483 (Am General Llc).
Key specifications for 12460483: Overall Length: 21.120 INCHES NOMINAL IN; Overall Width: 2.860 INCHES NOMINAL IN; Special Features: COLOR:BLACK; End Item Identification: 2320-01-412-0143,TRUCK,UTILITY;ARMY WEAPONS SYSTEM CODE,80,TRUCK,VEHICLE SYSTEM, 1 1/4-TON (HMMWV). 1 specification is 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.