The Converter,catalytic,automotive, cataloged under National Stock Number 2990-01-497-1042, 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 3 specifications, 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 | 2990-01-497-1042 |
| Primary Part Number | 12469353 |
| Item Name | Converter,catalytic,automotive |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | ITEM CONSISTS OF P/N'S IN MRC AKYD WELDED AND ASSEMBLED TOGETHER. |
| Accessory Components and Quantity | 1EA FLANGE P/N 12338352, 1EA TUBE P/N 12469353-2, 1EA CATALYTIC CONVERTER P/N 12460100, 1EA TUBE P/N 12469353-1, 1EA FLANGE P/N 12338348. |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 12469353 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2990-01-497-1042 is a Converter,catalytic,automotive, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-497-1042 has 1 manufacturer part number on file: 12469353 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12469353: General Characteristics Item Description: ITEM CONSISTS OF P/N'S IN MRC AKYD WELDED AND ASSEMBLED TOGETHER.; Overall Length: 37.324 INCHES NOMINAL IN; Accessory Components and Quantity: 1EA FLANGE P/N 12338352, 1EA TUBE P/N 12469353-2, 1EA CATALYTIC CONVERTER P/N 12460100, 1EA TUBE P/N 12469353-1, 1EA FLANGE P/N 12338348.; Special Features: CATALYTIC CONVERTER CONTAINER AND END CONE MATERIAL ASTM A176 OR A240 TYPE 409; BOTH TUBE MATERIAL SPECS ASTM A268 TYPE 409 OR ASTM A269 TYPE 304; P/N 12469353-1 TUBE 3.00 IN. OD X 0.065 IN. WALL THICKNESS; P/N 12469353-2 TUBE 2.875 IN. OD X 0.065 IN. WALL THICKNESS; FLANGE P/N 12338352 MATERIAL SPEC ASTM A240 TYPE 304L; FLANGE P/N 12338348 MATERIAL SPEC ASTM A240 TYPE 439 OR TYPE 409. IN. 3 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.