The Muffler,exhaust, cataloged under National Stock Number 2990-00-158-2559, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Dressta North America Ltd. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-158-2559 |
| Primary Part Number | 63176 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Dressta North America Ltd |
| Status | ACTIVE |
| Coolant Type | AIR |
| Inlet Projection Length | 2.063 INCHES NOMINAL SINGLE INLET IN |
| Outlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Outlet Outside Diameter | 2.437 INCHES NOMINAL FIRST OUTLET IN |
| Coolant Type | AIR |
| Outlet Inside Diameter | 2.375 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Flange Mounting Hole Diameter | 0.500 INCHES NOMINAL SINGLE INLET IN |
| Unable to Decode | UNABLE TO DECODE |
| Outlet Inside Diameter | 2.375 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Outside Diameter | 2.437 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Overall Diameter | 6.000 INCHES NOMINAL IN |
| Inlet Flange Mounting Provision and Quantity | 3 HOLES SINGLE INLET |
| Unable to Decode | UNABLE TO DECODE |
| Inlet Connection Type | FLANGE SINGLE INLET |
| Inlet Projection Length | 2.063 INCHES NOMINAL SINGLE INLET IN |
| Outlet Projection Length | 2.063 INCHES NOMINAL FIRST OUTLET IN |
| Overall Diameter | 6.000 INCHES NOMINAL IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Surface Treatment | ALUMINUM |
| Muffler Design | BAFFLE |
| Muffler Design | BAFFLE |
| Center to Center Distance Between Mounting Holes | 3.687 IN. BOLT HOLE CIRCLE DIA SINGLE INLET IN |
| Inlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Design Type | DRY |
| Body Shape | ROUND |
| Surface Treatment | ALUMINUM |
| Outlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2990-00-158-2559 is a Muffler,exhaust, manufactured by Dressta North America Ltd, classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-158-2559 has 3 cross-referenced part numbers: 63176 (Komatsu America Corporation), AH63176 (Komatsu America Corporation), 63176 (Dressta North America Ltd).
There are 6 known substitutes for 2990-00-158-2559: 8345-01-088-0078, 8345-01-088-0080, 4820-01-107-4219 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 63176: Coolant Type: AIR; Inlet Projection Length: 2.063 INCHES NOMINAL SINGLE INLET IN; Outlet Location: CENTRALLY LOCATED IN END SECTION OF BODY; Outlet Outside Diameter: 2.437 INCHES NOMINAL FIRST OUTLET IN. 30 total characteristics are documented in the Federal Logistics Information System.