The Muffler,exhaust, cataloged under National Stock Number 2990-01-336-5601, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cummins Filtration Inc.. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2990-01-336-5601 |
| Primary Part Number | 22819N |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Inlet Location | OFFSET ON CENTER LINE ON SIDE OF BODY,3.500 IN. FROM END TO CENTER OF INLET IN |
| Design Type | JACKETED |
| Overall Diameter | 9.000 INCHES NOMINAL IN |
| Inlet Projection Length | 3.000 INCHES NOMINAL SINGLE INLET IN |
| Muffler Design | STRAIGHT THROUGH |
| Outlet Outside Diameter | 4.000 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Body Shape | ROUND |
| Nonconnection Outlet Type and Quantity | 1 SLOTTED |
| Inlet Inside Diameter | 4.000 INCHES NOMINAL SINGLE INLET IN |
| Outlet Projection Length | 3.000 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Outlet Location | OFFSET FROM CENTER LINE ON END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2990-01-336-5601 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-336-5601 has 2 manufacturer part numbers on file: P40026 (Jlg Industries, Inc.), 22819N (Cummins Filtration Inc.).
1 possible match (shared part number, not a government interchangeability claim): 2040-01-614-6539. Verify interchangeability with system specifications before substitution.
Key specifications for 22819N: Inlet Location: OFFSET ON CENTER LINE ON SIDE OF BODY,3.500 IN. FROM END TO CENTER OF INLET IN; Design Type: JACKETED; Overall Diameter: 9.000 INCHES NOMINAL IN; Inlet Projection Length: 3.000 INCHES NOMINAL SINGLE INLET IN. 13 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.