The Muffler,exhaust, cataloged under National Stock Number 2990-01-279-3136, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Walker Mfg Co. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-279-3136 |
| Primary Part Number | 22829 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Walker Mfg Co |
| Status | ACTIVE |
| Overall Diameter | 9.000 INCHES NOMINAL IN |
| Material | ALUMINUM LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2990-01-279-3136 is a Muffler,exhaust, manufactured by Walker Mfg Co, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-279-3136 has 2 manufacturer part numbers on file: 22829 (Walker Mfg Co), 22829 (Northwestern University).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-688-0185. Verify interchangeability with system specifications before substitution.
Key specifications for 22829: Overall Diameter: 9.000 INCHES NOMINAL IN; Overall Length: 5.000 INCHES NOMINAL IN; Material: ALUMINUM LOCATION NOT OTHERWISE SPECIFIED. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.