The Pipe,exhaust, cataloged under National Stock Number 2990-00-229-5553, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Maremont Corp. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-229-5553 |
| Primary Part Number | EM961 |
| Item Name | Pipe,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Maremont Corp |
| 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 |
|---|---|
| EM961 | Maremont Corp (USA) |
| Reference | Meaning |
|---|---|
| C3AZ5246A | 3/9 Design control — primary reference Ford Motor Company |
| E5-511 | 5/9 Secondary reference Harvard Industries |
| E5-511 | 5/9 Secondary reference Airmaster Fan Company Dba Autumaire Fan |
| C3AZ5246A | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| E2987-5 | 5/9 Secondary reference Mahle Aftermarket Inc. Dba Ae Clevite Inc |
NSN 2990-00-229-5553 is a Pipe,exhaust, manufactured by Maremont Corp, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-229-5553 has 1 manufacturer part number on file: EM961 (Maremont Corp).
Key specifications for EM961: 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.