The Muffler,exhaust, cataloged under National Stock Number 2990-00-403-1613, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 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 | 2990-00-403-1613 |
| Primary Part Number | T-9520 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Design Type | DRY |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Muffler Design | DIRECTIONAL VANE W/INTEGRAL SPARK ARRESTOR |
| Baffle Quantity | 2 |
| Body Shape | OVAL |
| Outlet Outside Diameter | 3.150 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Inlet Location | LOCATED 6-3/4 IN. C TO C FROM HORIZONTAL CENTER LINE IN |
| Outlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Inlet Projection Length | 2.500 INCHES NOMINAL SINGLE INLET IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Inlet Outside Diameter | 3.640 INCHES NOMINAL SINGLE INLET IN |
| Inlet Inside Diameter | 3.515 INCHES NOMINAL SINGLE INLET IN |
| Outlet Projection Length | 4.000 INCHES NOMINAL FIRST OUTLET IN |
| Coolant Type | AIR |
| Surface Treatment | ALUMINUM |
| Tube Quantity | 2 |
| Outlet Inside Diameter | 3.025 INCHES NOMINAL FIRST OUTLET IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2990-00-403-1613 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-403-1613 has 7 cross-referenced part numbers: ABT9520 (Ar Bee Corp), 09520N (Brighton Cromwell Llc), ABT9520 (Brighton Cromwell Llc), 09520N (Ar Bee Corp), S1928 (The Gorman-Rupp Company Div Gorman-Rupp) and 2 more.
There are 12 known substitutes for 2990-00-403-1613: 5940-00-192-9968, 3030-00-317-4811, 6625-00-574-7957 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for T-9520: Design Type: DRY; Inlet Connection Type: UNTHREADED SINGLE INLET; Muffler Design: DIRECTIONAL VANE W/INTEGRAL SPARK ARRESTOR; Baffle Quantity: 2. 21 total characteristics are documented in the Federal Logistics Information System.