The Pipe,exhaust, cataloged under National Stock Number 2990-01-618-0729, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Hydrema U.s., Inc. Dba Hydrema Us 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-618-0729 |
| Primary Part Number | 2097970 |
| Item Name | Pipe,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Hydrema U.s., Inc. Dba Hydrema Us Inc |
| Status | ACTIVE |
| Design Form | PREBENT |
| Nominal Overall Length | 915.0 MILLIMETERS MM |
| Wall Thickness | 1.5 MILLIMETERS NOMINAL MM |
| Reduced End Outside Diameter | 76.0 MILLIMETERS NOMINAL MM |
| Enlarged End Length | 40.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 2097970 PRIMARY | Hydrema U.s., Inc. Dba Hydrema Us Inc (USA) |
| Reference | Meaning |
|---|---|
| 2097970-D | D/9 Drawing number reference only Hydrema U.s., Inc. Dba Hydrema Us Inc |
NSN 2990-01-618-0729 is a Pipe,exhaust, manufactured by Hydrema U.s., Inc. Dba Hydrema Us Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-618-0729 has 1 manufacturer part number on file: 2097970 (Hydrema U.s., Inc. Dba Hydrema Us Inc).
Key specifications for 2097970: Design Form: PREBENT; Nominal Overall Length: 915.0 MILLIMETERS MM; Wall Thickness: 1.5 MILLIMETERS NOMINAL MM; Reduced End Outside Diameter: 76.0 MILLIMETERS NOMINAL MM. 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.