The Arrester,spark Exhaust, cataloged under National Stock Number 2990-01-129-5659, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-129-5659 |
| Primary Part Number | 16868-N |
| Item Name | Arrester,spark Exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Inlet Outside Diameter | 2.000 INCHES NOMINAL IN |
| Overall Diameter | 6.500 INCHES NOMINAL IN |
| Outlet Outside Diameter | 2.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Body Shape | ROUND |
| Surface Treatment | ALUMINUM ALLOY |
| 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 |
|---|---|
| 16868-N PRIMARY | Cummins Filtration Inc. (USA) |
NSN 2990-01-129-5659 is a Arrester,spark Exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-129-5659 has 1 manufacturer part number on file: 16868-N (Cummins Filtration Inc.).
Key specifications for 16868-N: Inlet Outside Diameter: 2.000 INCHES NOMINAL IN; Overall Diameter: 6.500 INCHES NOMINAL IN; Overall Length: 41.500 INCHES NOMINAL IN; Outlet Outside Diameter: 2.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED 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.