The Muffler and Pipe,ex, cataloged under National Stock Number 2990-01-162-6142, 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Muffler and Pipe,ex |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | Walker Mfg Co (CAGE 79260) |
| Parameter | Value |
|---|---|
| NSN | 2990-01-162-6142 |
| Primary Part Number | 22074 AND 46497 |
| Item Name | Muffler and Pipe,ex |
| 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) |
| Part Number | Manufacturer |
|---|---|
| 22074 AND 46497 | Walker Mfg Co (USA) |
| Reference | Meaning |
|---|---|
| E2TZ523-R | C/1 Advisory reference — outside the item-of-supply concept Ford Motor Company |
| 688 AND 74592 | 5/9 Secondary reference U.S. Government activity |
| E1TZ5230-A | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| E2TZ-5230-R | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 102532 AND 373618 | 5/2 Secondary reference U.S. Government activity |
| E2TZ-5230-R | 3/9 Design control — primary reference Ford Motor Company |
NSN 2990-01-162-6142 is a Muffler and Pipe,ex, manufactured by Walker Mfg Co, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-162-6142 has 1 manufacturer part number on file: 22074 AND 46497 (Walker Mfg Co).
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.