The Muffler,exhaust, cataloged under National Stock Number 2990-01-441-4326, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Wiggins Lift Co Inc. Government technical data includes 8 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 | 2990-01-441-4326 |
| Primary Part Number | 559854 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Wiggins Lift Co Inc |
| Status | ACTIVE |
| Operating Position | HORIZONTAL |
| Design Type | DRY |
| Muffler Design | STRAIGHT THROUGH |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Body Shape | ROUND |
| Outlet Integral Tail Pipe Length | 10.000 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Integral Manifold Exhaust Pipe Length | 7.500 INCHES NOMINAL SINGLE INLET IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| 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 |
|---|---|
| 559854 PRIMARY | Wiggins Lift Co Inc (USA) |
NSN 2990-01-441-4326 is a Muffler,exhaust, manufactured by Wiggins Lift Co Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-441-4326 has 1 manufacturer part number on file: 559854 (Wiggins Lift Co Inc).
Key specifications for 559854: Operating Position: HORIZONTAL; Design Type: DRY; Overall Length: 30.000 INCHES NOMINAL IN; Muffler Design: STRAIGHT THROUGH. 8 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.