The Heat Shield,exhaust, cataloged under National Stock Number 2990-01-699-1280, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories 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.
| Parameter | Value |
|---|---|
| NSN | 2990-01-699-1280 |
| Primary Part Number | 12638347 |
| Item Name | Heat Shield,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY 5052 |
| 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 |
|---|---|
| 12638347 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2990-01-699-1280 is a Heat Shield,exhaust, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-699-1280 has 1 manufacturer part number on file: 12638347 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12638347: Overall Length: 18.191 INCHES NOMINAL IN; Overall Width: 7.830 INCHES NOMINAL IN; Special Features: MATERIAL THICKNESS:0.060 INCHES;FINISH IAW 1236900 1 EXCEPT TOPCOAT SHALL BE TAN 686A CHIP NUMBER 33446 IAW SAE AMS-STD-595;NHA AAFARS USED ON 12638406; A; Part Name Assigned by Controlling Agency: SHIELD,HEAT. 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.