The Muffler,exhaust, cataloged under National Stock Number 2990-00-462-8156, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-462-8156 |
| Primary Part Number | T-9986 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Outlet Inside Diameter | 2.854 INCHES MINIMUM AND 2.874 INCHES MAXIMUM FIRST OUTLET IN |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Inlet Projection Length | 2.500 INCHES NOMINAL SINGLE INLET IN |
| Inlet Inside Diameter | 3.505 INCHES MINIMUM AND 3.525 INCHES MAXIMUM SINGLE INLET IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Inlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Inlet Outside Diameter | 3.626 INCHES MINIMUM AND 3.646 INCHES MAXIMUM SINGLE INLET IN |
| Coolant Type | AIR |
| Operating Position | HORIZONTAL |
| Overall Diameter | 6.625 INCHES NOMINAL IN |
| Outlet Location | 1.500 IN. C TO C FROM HORIZONTAL CENTER LINE IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Tube Quantity | 3 |
| Surface Treatment | ALUMINUM |
| Design Type | DRY |
| Outlet Projection Length | 3.500 INCHES NOMINAL FIRST OUTLET IN |
| Muffler Design | BAFFLE |
| Body Shape | ROUND |
| Baffle Quantity | 2 |
| Outlet Outside Diameter | 2.975 INCHES MINIMUM AND 2.995 INCHES MAXIMUM FIRST OUTLET IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2990-00-462-8156 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-462-8156 has 6 cross-referenced part numbers: 9986 (Cummins Filtration Inc.), 154486 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling), 154486 (Hyster-Yale Group, Inc.), ABT9986 (Ar Bee Corp), T-9986 (Cummins Filtration Inc.) and 1 more.
There are 10 known substitutes for 2990-00-462-8156: 5330-00-428-1169, 5955-00-499-7331, 4320-00-670-9784 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for T-9986: Outlet Inside Diameter: 2.854 INCHES MINIMUM AND 2.874 INCHES MAXIMUM FIRST OUTLET IN; Inlet Connection Type: UNTHREADED SINGLE INLET; Inlet Projection Length: 2.500 INCHES NOMINAL SINGLE INLET IN; Inlet Inside Diameter: 3.505 INCHES MINIMUM AND 3.525 INCHES MAXIMUM SINGLE INLET IN. 21 total characteristics are documented in the Federal Logistics Information System.