The Muffler,exhaust, cataloged under National Stock Number 2990-01-353-5809, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-353-5809 |
| Primary Part Number | 15576680 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Inlet Location | OFF-SET IN END SECTION OF BODY |
| Outlet Location | OFF-SET 2.875IN. FROM CENTER OF OTHER END SECTION OF BODY IN |
| Inlet Inside Diameter | 2.500 INCHES NOMINAL SINGLE INLET IN |
| Outlet Projection Length | 2.250 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Projection Length | 2.250 INCHES NOMINAL SINGLE INLET IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Muffler Design | DIRECTIONAL VANE |
| Operating Position | HORIZONTAL |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Outlet Inside Diameter | 2.250 INCHES NOMINAL FIRST OUTLET IN |
| Body Shape | RECTANGULAR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2990-01-353-5809 is a Muffler,exhaust, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-01-353-5809 has 3 cross-referenced part numbers: 15576680 (General Motors Corp Chevrolet Motor Div Special Products Dept), 15576680 (General Motors Llc Dba General Motors Llc), 22512 (Walker Mfg Co).
There are 9 known substitutes for 2990-01-353-5809: 4820-00-005-3567, 5961-00-073-0568, 3455-00-187-0401 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 15576680: Overall Width: 9.750 INCHES NOMINAL IN; Inlet Location: OFF-SET IN END SECTION OF BODY; Outlet Location: OFF-SET 2.875IN. FROM CENTER OF OTHER END SECTION OF BODY IN; Inlet Inside Diameter: 2.500 INCHES NOMINAL SINGLE INLET IN. 15 total characteristics are documented in the Federal Logistics Information System.