The Muffler,exhaust, cataloged under National Stock Number 2990-00-753-8420, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 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 | 2990-00-753-8420 |
| Primary Part Number | 2199800 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Operating Position | HORIZONTAL |
| Outlet Inside Diameter | 2.005 INCHES MINIMUM AND 2.010 INCHES MAXIMUM FIRST OUTLET IN |
| Design Type | DRY |
| Overall Diameter | 6.125 INCHES NOMINAL IN |
| Coolant Type | AIR |
| Body Shape | ROUND |
| Muffler Design | STRAIGHT THROUGH |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Outlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Inlet Projection Length | 1.250 INCHES NOMINAL SINGLE INLET IN |
| Inlet Outside Diameter | 2.625 INCHES NOMINAL SINGLE INLET IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Surface Treatment | ALUMINUM |
| Inlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Inlet Inside Diameter | 2.505 INCHES MINIMUM AND 2.510 INCHES MAXIMUM SINGLE INLET IN |
| Outlet Outside Diameter | 2.188 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Outlet Projection Length | 1.500 INCHES NOMINAL FIRST OUTLET IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 353 | De Koven Mfg Co (USA) |
| 1921 | Arvin Industries Inc (USA) |
| 256 | Ap Parts Co Industrial Sales Div (USA) |
| 21004 | Walker Mfg Co (USA) |
| 2199800 | Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA) |
| 7538420 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 2199800 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| 461 | Walker Mfg Co (USA) |
NSN 2990-00-753-8420 is a Muffler,exhaust, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-753-8420 has 8 cross-referenced part numbers: 353 (De Koven Mfg Co), 1921 (Arvin Industries Inc), 256 (Ap Parts Co Industrial Sales Div), 21004 (Walker Mfg Co), 2199800 (Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02) and 3 more.
There are 12 known substitutes for 2990-00-753-8420: 5120-00-061-8540, 6250-00-196-8830, 5120-00-222-4556 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2199800: Overall Length: 22.000 INCHES NOMINAL IN; Operating Position: HORIZONTAL; Outlet Inside Diameter: 2.005 INCHES MINIMUM AND 2.010 INCHES MAXIMUM FIRST OUTLET IN; Design Type: DRY. 19 total characteristics are documented in the Federal Logistics Information System.