The Muffler,exhaust, cataloged under National Stock Number 2990-01-224-5557, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Harco Manufacturing Company Div Harco Manufacturing Company Inc. 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 | 2990-01-224-5557 |
| Primary Part Number | SASR4822-24 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Harco Manufacturing Company Div Harco Manufacturing Company Inc |
| Status | ACTIVE |
| Overall Diameter | 48.000 INCHES NOMINAL IN |
| Muffler Design | DIRECTIONAL VANE W/INTEGRAL SPARK ARRESTOR |
| Body Shape | ROUND |
| 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 |
|---|---|
| SASR4822-24 PRIMARY | Harco Manufacturing Company Div Harco Manufacturing Company Inc (USA) |
NSN 2990-01-224-5557 is a Muffler,exhaust, manufactured by Harco Manufacturing Company Div Harco Manufacturing Company Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-224-5557 has 1 manufacturer part number on file: SASR4822-24 (Harco Manufacturing Company Div Harco Manufacturing Company Inc).
Key specifications for SASR4822-24: Overall Diameter: 48.000 INCHES NOMINAL IN; Overall Length: 264.000 INCHES NOMINAL IN; Muffler Design: DIRECTIONAL VANE W/INTEGRAL SPARK ARRESTOR; Body Shape: ROUND. 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.