The Connector,exhaust Pipe, cataloged under National Stock Number 2990-01-431-9163, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cummins Filtration Inc.. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-431-9163 |
| Primary Part Number | 89184-A |
| Item Name | Connector,exhaust Pipe |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Design Form | STRAIGHT |
| Nominal Overall Length | 6.000 INCHES IN |
| Pipe/tube First End Nominal Outside Diameter | 3.000 INCHES IN |
| Pipe/tube Second End Nominal Outside Diameter | 3.500 INCHES IN |
| First End Connection Type | UNTHREADED INTERNAL PIPE/TUBE |
| Second End Connection Type | UNTHREADED INTERNAL PIPE/TUBE |
| 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 |
|---|---|
| 3070AS426-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 89184-A PRIMARY | Cummins Filtration Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3070AS426 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 2990-01-431-9163 is a Connector,exhaust Pipe, manufactured by Cummins Filtration Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-431-9163 has 2 manufacturer part numbers on file: 3070AS426-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 89184-A (Cummins Filtration Inc.).
Key specifications for 89184-A: Design Form: STRAIGHT; Nominal Overall Length: 6.000 INCHES IN; Pipe/tube First End Nominal Outside Diameter: 3.000 INCHES IN; Pipe/tube Second End Nominal Outside Diameter: 3.500 INCHES IN. 6 specifications are 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.