The Muffler,exhaust, cataloged under National Stock Number 2990-00-411-2479, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Maremont Corp. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 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 | 2990-00-411-2479 |
| Primary Part Number | WY27 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Maremont Corp |
| Status | ACTIVE |
| Tube Quantity | 3 |
| Outlet Inside Diameter | 2.000 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Inside Diameter | 2.000 INCHES NOMINAL SINGLE INLET IN |
| Surface Treatment | ZINC |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Location | CENTRALLY LOCATED ON END SECTION |
| Outlet Projection Length | 2.000 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Location | LOCATED ON SIDE OF END SECTION |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Inlet Projection Length | 2.000 INCHES NOMINAL SINGLE INLET IN |
| Baffle Quantity | 4 |
| Design Type | DRY |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Coolant Type | AIR |
| Operating Position | HORIZONTAL |
| Body Shape | OVAL |
| Muffler Design | MULTIPASS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| WY27 PRIMARY | Maremont Corp (USA) |
| 941570 | Am General Llc (USA) |
| 896 | Ap Parts Co Industrial Sales Div (USA) |
| 788 PRIMARY | Merit Industries Inc (USA) |
| 1883 PRIMARY | Arvin Industries Inc (USA) |
| 36D | International Parts Corp Div of Midas-International Corp (USA) |
| 2750 | Harvard Industries (USA) |
| 953 | Mahle Aftermarket Inc. Dba Ae Clevite Inc (USA) |
NSN 2990-00-411-2479 is a Muffler,exhaust, manufactured by Maremont Corp, classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-411-2479 has 8 cross-referenced part numbers: WY27 (Maremont Corp), 941570 (Am General Llc), 896 (Ap Parts Co Industrial Sales Div), 788 (Merit Industries Inc), 1883 (Arvin Industries Inc) and 3 more.
There are 12 known substitutes for 2990-00-411-2479: 5310-00-021-8570, 5975-00-086-1371, 5999-00-166-9771 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for WY27: Overall Width: 7.750 INCHES NOMINAL IN; Overall Height: 3.250 INCHES NOMINAL IN; Tube Quantity: 3; Outlet Inside Diameter: 2.000 INCHES NOMINAL FIRST OUTLET IN. 20 total characteristics are documented in the Federal Logistics Information System.