The Muffler,exhaust-Intake, cataloged under National Stock Number 2990-01-248-4290, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Curtiss-Wright Flow Control Corporation Dba Sprague Products Div Curtiss-Wright Flow Controls. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Muffler,exhaust-Intake |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | Curtiss-Wright Flow Control Corporation Dba Sprague Products Div Curtiss-Wright Flow Controls (CAGE 1STQ3) |
| Parameter | Value |
|---|---|
| NSN | 2990-01-248-4290 |
| Primary Part Number | 89853 |
| Item Name | Muffler,exhaust-Intake |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Curtiss-Wright Flow Control Corporation Dba Sprague Products Div Curtiss-Wright Flow Controls |
| Status | ACTIVE |
| 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 |
|---|---|
| 89853 PRIMARY | Curtiss-Wright Flow Control Corporation Dba Sprague Products Div Curtiss-Wright Flow Controls (USA) |
| Reference | Meaning |
|---|---|
| 76128 | D/9 Drawing number reference only U.S. Government activity |
| 76128 ITEM 20 | 3/9 Design control — primary reference U.S. Government activity |
| 89853 | 5/9 Secondary reference U.S. Government activity |
NSN 2990-01-248-4290 is a Muffler,exhaust-Intake, manufactured by Curtiss-Wright Flow Control Corporation Dba Sprague Products Div Curtiss-Wright Flow Controls, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-248-4290 has 1 manufacturer part number on file: 89853 (Curtiss-Wright Flow Control Corporation Dba Sprague Products Div Curtiss-Wright Flow Controls).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-328-4290. Verify interchangeability with system specifications before substitution.
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.