The Muffler,exhaust, cataloged under National Stock Number 2990-00-463-5519, 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 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-463-5519 |
| Primary Part Number | T-5170 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Operating Position | UNIVERSAL |
| Inlet Location | CENTERED ON END OF BODY |
| Coolant Type | AIR |
| Design Type | DRY |
| Overall Diameter | 3.250 INCHES NOMINAL IN |
| Outlet Inside Diameter | 0.840 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Projection Length | 1.062 INCHES NOMINAL SINGLE INLET IN |
| Baffle Quantity | 1 |
| Muffler Design | STRAIGHT THROUGH W/BAFFLE |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Body Shape | ROUND |
| Inlet Inside Diameter | 0.500 INCHES NOMINAL SINGLE INLET IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Projection Length | 1.062 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Outlet Location | CENTERED ON END OF BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2990-00-463-5519 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-463-5519 has 2 manufacturer part numbers on file: T-5170 (Cummins Filtration Inc.), 59550-1 (John Deer Consumer Products Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5950-01-090-4788, 6620-01-206-4895, 5360-01-318-8171. Verify interchangeability with system specifications before substitution.
Key specifications for T-5170: Operating Position: UNIVERSAL; Inlet Location: CENTERED ON END OF BODY; Coolant Type: AIR; Design Type: DRY. 16 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.