The Muffler,exhaust, cataloged under National Stock Number 2990-00-374-8618, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Amca Intl Corp Unit Crane Div. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-374-8618 |
| Primary Part Number | DE3 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Amca Intl Corp Unit Crane Div |
| Status | ACTIVE |
| Operating Position | HORIZONTAL |
| Inlet Outside Diameter | 3.250 INCHES NOMINAL SINGLE INLET IN |
| Muffler Design | STRAIGHT THROUGH |
| Design Type | DRY |
| Body Shape | ROUND |
| Outlet Inside Diameter | 3.000 INCHES NOMINAL FIRST OUTLET IN |
| Overall Diameter | 6.000 INCHES NOMINAL IN |
| Coolant Type | AIR |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Inlet Location | CENTER OF BODY END SECTION |
| Outlet Outside Diameter | 3.250 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Inside Diameter | 3.000 INCHES NOMINAL SINGLE INLET IN |
| Inlet Projection Length | 2.000 INCHES NOMINAL SINGLE INLET IN |
| Outlet Location | CENTRALLY IN END SECTION OF BODY |
| Outlet Projection Length | 2.000 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2990-00-374-8618 is a Muffler,exhaust, manufactured by Amca Intl Corp Unit Crane Div, classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-374-8618 has 2 cross-referenced part numbers: DE3 (Amca Intl Corp Unit Crane Div), DE3 (Available Truck Co).
There are 3 known substitutes for 2990-00-374-8618: 9150-00-068-7862, 5310-00-543-2705, 3120-00-633-7982. Verify interchangeability with system specifications before substitution.
Key specifications for DE3: Operating Position: HORIZONTAL; Inlet Outside Diameter: 3.250 INCHES NOMINAL SINGLE INLET IN; Muffler Design: STRAIGHT THROUGH; Design Type: DRY. 18 total characteristics are documented in the Federal Logistics Information System.