The Muffler,exhaust, cataloged under National Stock Number 2990-00-585-0029, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-585-0029 |
| Primary Part Number | T-5668 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Outlet Thread Size | 1-1/4-11-1/2 FIRST OUTLET |
| Inlet Thread Series Designator | NPT SINGLE INLET |
| Outlet Connection Type | THREADED FIRST OUTLET |
| Outlet Projection Length | 2.688 INCHES NOMINAL FIRST OUTLET IN |
| Operating Position | HORIZONTAL |
| Inlet Projection Length | 1.000 INCHES NOMINAL SINGLE INLET IN |
| FSC Application Data | MUFFLERS,ENGINE,NONAIRCRAFT |
| Thread Location | EXTERNAL FIRST OUTLET |
| Outlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Inlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Muffler Design | STRAIGHT THROUGH |
| Body Shape | ROUND |
| Thread Direction | RIGHT-HAND SINGLE INLET |
| Outlet Thread Series Designator | NPT FIRST OUTLET |
| Inlet Thread Location | EXTERNAL SINGLE INLET |
| Surface Treatment | ALUMINUM |
| Overall Diameter | 4.750 INCHES NOMINAL IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Design Type | DRY |
| Inlet Connection Type | THREADED SINGLE INLET |
| Coolant Type | AIR |
| Inlet Thread Size | 1-1/4-11-1/2 SINGLE INLET |
| Outlet Thread Direction | RIGHT-HAND FIRST OUTLET |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2990-00-585-0029 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-585-0029 has 4 cross-referenced part numbers: 5668 (Cummins Filtration Inc.), ABT5668 (Ar Bee Corp), T-5668 (Cummins Filtration Inc.), ABT5668 (Brighton Cromwell Llc).
There are 8 known substitutes for 2990-00-585-0029: 6145-00-127-9763, 3110-00-461-5385, 5935-00-498-5736 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for T-5668: Overall Length: 8.125 INCHES NOMINAL IN; Outlet Thread Size: 1-1/4-11-1/2 FIRST OUTLET; Inlet Thread Series Designator: NPT SINGLE INLET; Outlet Connection Type: THREADED FIRST OUTLET. 24 total characteristics are documented in the Federal Logistics Information System.