The Muffler,exhaust, cataloged under National Stock Number 2990-01-025-1517, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Cummins Filtration Inc.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-025-1517 |
| Primary Part Number | T-8658 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Outlet Location | ON SIDE OF BODY 2.500 IN. C OF OUTLET TO END OF BODY IN |
| Inlet Inside Diameter | 3.505 INCHES MINIMUM AND 3.525 INCHES MAXIMUM SINGLE INLET IN |
| Outlet Outside Diameter | 2.975 INCHES MINIMUM AND 2.995 INCHES MAXIMUM FIRST OUTLET IN |
| Inlet Projection Length | 2.000 INCHES NOMINAL SINGLE INLET IN |
| Inlet Location | ON SIDE OF BODY 2.750 IN. C OF INLET TO END OF BODY IN |
| Outlet Projection Length | 3.250 INCHES NOMINAL FIRST OUTLET IN |
| Coolant Type | AIR |
| Design Type | DRY |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Operating Position | UNIVERSAL |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Body Shape | ROUND |
| Tube Quantity | 2 |
| Overall Diameter | 6.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| T-8658 PRIMARY | Cummins Filtration Inc. (USA) |
| 60922 | Jenny Products, Inc (USA) |
| 60922 | Davey Compressor Co Div of Keco Industries Inc (USA) |
| ABT8658 | Ar Bee Corp (USA) |
| 8658-N | Cummins Filtration Inc. (USA) |
| 8658 | Cummins Filtration Inc. (USA) |
| ABT8658 | Brighton Cromwell Llc (USA) |
NSN 2990-01-025-1517 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-01-025-1517 has 7 cross-referenced part numbers: T-8658 (Cummins Filtration Inc.), 60922 (Jenny Products, Inc), 60922 (Davey Compressor Co Div of Keco Industries Inc), ABT8658 (Ar Bee Corp), 8658-N (Cummins Filtration Inc.) and 2 more.
There are 11 known substitutes for 2990-01-025-1517: 6685-00-490-2494, 4810-00-518-1084, 5330-00-641-2330 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for T-8658: Outlet Connection Type: UNTHREADED FIRST OUTLET; Outlet Location: ON SIDE OF BODY 2.500 IN. C OF OUTLET TO END OF BODY IN; Inlet Inside Diameter: 3.505 INCHES MINIMUM AND 3.525 INCHES MAXIMUM SINGLE INLET IN; Outlet Outside Diameter: 2.975 INCHES MINIMUM AND 2.995 INCHES MAXIMUM FIRST OUTLET IN. 18 total characteristics are documented in the Federal Logistics Information System.