The Muffler,exhaust, cataloged under National Stock Number 2990-00-618-1809, 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 21 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-618-1809 |
| Primary Part Number | T3805D |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Inlet Flange Mounting Hole Diameter | 0.438 INCHES NOMINAL SINGLE INLET IN |
| Coolant Type | AIR |
| Inlet Connection Type | FLANGE SINGLE INLET |
| Inlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Outlet Projection Length | 2.188 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Inside Diameter | 2.025 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Flange Shape | TRIANGULAR SINGLE INLET |
| Tube Quantity | 2 |
| Inlet Projection Length | 3.313 INCHES NOMINAL SINGLE INLET IN |
| Inlet Flange Mounting Provision and Quantity | 3 HOLES SINGLE INLET |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Muffler Design | MULTIPASS |
| Body Shape | OVAL |
| Center to Center Distance Between Mounting Holes | 3-1/2 IN. BOLT CIRCLE DIA SINGLE INLET IN |
| Operating Position | VERTICAL |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Surface Treatment | ALUMINUM |
| Outlet Location | LOCATED 3 IN. C TO C FROM HORIZONTAL CENTER LINE IN |
| Outlet Integral Tail Pipe Length | 3.063 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Outside Diameter | 2.650 INCHES NOMINAL FIRST OUTLET IN |
| Design Type | DRY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2990-00-618-1809 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-618-1809 has 4 cross-referenced part numbers: G0H129H (Schramm, Inc.), 3805 (Cummins Filtration Inc.), ABT3805 (Ar Bee Corp), T3805D (Cummins Filtration Inc.).
There are 12 known substitutes for 2990-00-618-1809: 6130-00-022-8987, 4820-00-070-6922, 5305-00-141-2814 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for T3805D: Inlet Flange Mounting Hole Diameter: 0.438 INCHES NOMINAL SINGLE INLET IN; Coolant Type: AIR; Inlet Connection Type: FLANGE SINGLE INLET; Inlet Location: CENTRALLY LOCATED IN END SECTION OF BODY. 24 total characteristics are documented in the Federal Logistics Information System.