The Pipe,exhaust, cataloged under National Stock Number 2990-00-423-0180, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Merit Industries Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-423-0180 |
| Primary Part Number | 4X7083 |
| Item Name | Pipe,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Merit Industries Inc |
| Status | ACTIVE |
| Material | STEEL |
| 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 |
|---|---|
| 4X7083 PRIMARY | Merit Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| C5TZ-5246-H | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 47083 | 5/9 Secondary reference U.S. Government activity |
| 4X7993 | 3/2 Design control — primary reference U.S. Government activity |
| 4X7083 | 5/9 Secondary reference U.S. Government activity |
| E4296-4 | 5/9 Secondary reference Mahle Aftermarket Inc. Dba Ae Clevite Inc |
| C5TZ-5246-H | 5/9 Secondary reference Ford Motor Company |
NSN 2990-00-423-0180 is a Pipe,exhaust, manufactured by Merit Industries Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-423-0180 has 1 manufacturer part number on file: 4X7083 (Merit Industries Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5360-00-597-6640, 4730-01-080-5595, 4130-01-325-0044. Verify interchangeability with system specifications before substitution.
Key specifications for 4X7083: Material: STEEL. 1 specification is 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.