The Connector,exhaust Pipe, cataloged under National Stock Number 2990-01-623-1071, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is National Marine Exhaust Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Connector,exhaust Pipe |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | National Marine Exhaust Inc. (CAGE 1PZ81) |
| Parameter | Value |
|---|---|
| NSN | 2990-01-623-1071 |
| Primary Part Number | 7789-2 |
| Item Name | Connector,exhaust Pipe |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | National Marine Exhaust Inc. |
| 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 |
|---|---|
| 7789-2 PRIMARY | National Marine Exhaust Inc. (USA) |
NSN 2990-01-623-1071 is a Connector,exhaust Pipe, manufactured by National Marine Exhaust Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-623-1071 has 1 manufacturer part number on file: 7789-2 (National Marine Exhaust Inc.).
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.