The Muffler,exhaust, cataloged under National Stock Number 2990-01-221-0192, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Walker Mfg Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-221-0192 |
| Primary Part Number | 22177,F45859,42477 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Walker Mfg Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 22177,F45859,42477 PRIMARY | Walker Mfg Co (USA) |
| Reference | Meaning |
|---|---|
| E3TZ 5230-AD | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| E3TZ 5230-AD | 5/9 Secondary reference Ford Motor Company |
| 24629,3112,54755 | 5/9 Secondary reference U.S. Government activity |
| E3TZ 5230-AD | 5/9 Secondary reference U.S. Government activity |
| G3TZ5230AD | 3/2 Design control — primary reference U.S. Government activity |
NSN 2990-01-221-0192 is a Muffler,exhaust, manufactured by Walker Mfg Co, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-221-0192 has 1 manufacturer part number on file: 22177,F45859,42477 (Walker Mfg Co).
Key specifications for 22177,F45859,42477: Special Features: TAILPIPE INCLUDED; End Item Identification: 1983 FORD TRUCK MODEL F350. 0 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.