The Heat Shield,exhaust, cataloged under National Stock Number 2990-01-323-2591, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cummins Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-323-2591 |
| Primary Part Number | 4967565 |
| Item Name | Heat Shield,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Specification/standard Data | 15434-3003697 MANUFACTURERS STANDARD |
| 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 |
|---|---|
| 4967565 PRIMARY | Cummins Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3003697 | 5/9 Secondary reference Cummins Ltd |
| 3003697 | 3/9 Design control — primary reference Cummins Inc. |
NSN 2990-01-323-2591 is a Heat Shield,exhaust, manufactured by Cummins Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-323-2591 has 1 manufacturer part number on file: 4967565 (Cummins Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-618-4380. Verify interchangeability with system specifications before substitution.
Key specifications for 4967565: Specification/standard Data: 15434-3003697 MANUFACTURERS STANDARD; Special Features: OUTER COVERING ALUMINIZED FIBER GLASS CLOTH SS-1447. 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.