The Exhaust System,engine, cataloged under National Stock Number 2990-01-353-8349, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Rolls-Royce Corporation. 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 | 2990-01-353-8349 |
| Primary Part Number | 23035450 |
| Item Name | Exhaust System,engine |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | MFG NOMENCLATURE DIFFUSER ASSY,COMPRESSOR IS FABRICATED FROM CORROSION RESISTANT FORGED AND CASTED PER AMS 5613,AMS 5504,AMS 5350,AMS 5591,FORGINGS ARE MADE OF SHEETS 0.050 IN. THICK,0.094 IN. THICK NOM.,TUBING 0.052 IN. THICK WALL AND 0.035 IN. THICK WALL,TUBING 0.562 IN. OVERALL DIA. X 0.065 IN. THICK WALL AND 0.438 IN. OVERAALL DIA. X 0.065 IN. THICK WALL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 23035450 PRIMARY | Rolls-Royce Corporation (USA) |
NSN 2990-01-353-8349 is a Exhaust System,engine, manufactured by Rolls-Royce Corporation, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-353-8349 has 1 manufacturer part number on file: 23035450 (Rolls-Royce Corporation).
Key specifications for 23035450: General Characteristics Item Description: MFG NOMENCLATURE DIFFUSER ASSY,COMPRESSOR IS FABRICATED FROM CORROSION RESISTANT FORGED AND CASTED PER AMS 5613,AMS 5504,AMS 5350,AMS 5591,FORGINGS ARE MADE OF SHEETS 0.050 IN. THICK,0.094 IN. THICK NOM.,TUBING 0.052 IN. THICK WALL AND 0.035 IN. THICK WALL,TUBING 0.562 IN. OVERALL DIA. X 0.065 IN. THICK WALL AND 0.438 IN. OVERAALL DIA. X 0.065 IN. THICK WALL IN; End Item Identification: T56A427 ENGINE. 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.
NSN 2990-01-353-8349 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.