The Pipe,exhaust, cataloged under National Stock Number 2990-01-147-4290, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Pipe,exhaust |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | Walker Mfg Co (CAGE 79260) |
| Parameter | Value |
|---|---|
| NSN | 2990-01-147-4290 |
| Primary Part Number | 45869 |
| Item Name | Pipe,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 |
|---|---|
| 45869 PRIMARY | Walker Mfg Co (USA) |
| Reference | Meaning |
|---|---|
| 14037824 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 15595216 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 15595216 | 5/9 Secondary reference General Motors Llc Dba General Motors Llc |
NSN 2990-01-147-4290 is a Pipe,exhaust, manufactured by Walker Mfg Co, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-147-4290 has 1 manufacturer part number on file: 45869 (Walker Mfg Co).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-304-9286. Verify interchangeability with system specifications before substitution.
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.