The Muffler,exhaust, cataloged under National Stock Number 2990-01-217-5009, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Walker Mfg Co. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-217-5009 |
| Primary Part Number | 21979 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Walker Mfg Co |
| Status | ACTIVE |
| Outlet Location | LOCATED OFF CENTER IN END SECTION OF BODY |
| Design Type | DRY |
| Operating Position | HORIZONTAL |
| Coolant Type | AIR |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Body Shape | OVAL |
| Inlet Location | LOCATED OFF CENTER IN END SECTION OF BODY |
| Muffler Design | BAFFLE |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 14033570 | General Motors Corp Chevrolet Motor Div Special Products Dept (USA) |
| 10140531 | General Motors Llc Dba General Motors Llc (USA) |
| 14033571 | General Motors Corp Chevrolet Motor Div Special Products Dept (USA) |
| 14070203 | General Motors Corp Chevrolet Motor Div Special Products Dept (USA) |
| 14070201 | General Motors Corp Chevrolet Motor Div Special Products Dept (USA) |
| 10140531 | General Motors Corp Chevrolet Motor Div Special Products Dept (USA) |
| 21979 PRIMARY | Walker Mfg Co (USA) |
NSN 2990-01-217-5009 is a Muffler,exhaust, manufactured by Walker Mfg Co, classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-01-217-5009 has 7 cross-referenced part numbers: 14033570 (General Motors Corp Chevrolet Motor Div Special Products Dept), 10140531 (General Motors Llc Dba General Motors Llc), 14033571 (General Motors Corp Chevrolet Motor Div Special Products Dept), 14070203 (General Motors Corp Chevrolet Motor Div Special Products Dept), 14070201 (General Motors Corp Chevrolet Motor Div Special Products Dept) and 2 more.
There are 7 known substitutes for 2990-01-217-5009: 5310-00-045-3296, 5930-00-058-8598, 2510-00-175-0022 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21979: Outlet Location: LOCATED OFF CENTER IN END SECTION OF BODY; Design Type: DRY; Operating Position: HORIZONTAL; Coolant Type: AIR. 10 total characteristics are documented in the Federal Logistics Information System.