The Pipe,exhaust, cataloged under National Stock Number 2990-01-436-8382, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Centek Industries, Inc.. Government technical data includes 8 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 | 2990-01-436-8382 |
| Primary Part Number | 1640391 |
| Item Name | Pipe,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Centek Industries, Inc. |
| Status | ACTIVE |
| End Item Source | 03950 |
| Design Form | PREBENT |
| Nominal Overall Length | 11.000 INCHES IN |
| Enlarged End Inside Diameter | 5.000 INCHES NOMINAL IN |
| End Item Name | 170,PATROL COASTAL |
| Enlarged End Length | 5.000 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| Usage Location | TAIL PIPE |
| 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 |
|---|---|
| 1640391 PRIMARY | Centek Industries, Inc. (USA) |
NSN 2990-01-436-8382 is a Pipe,exhaust, manufactured by Centek Industries, Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-436-8382 has 1 manufacturer part number on file: 1640391 (Centek Industries, Inc.).
Key specifications for 1640391: End Item Source: 03950; Design Form: PREBENT; Nominal Overall Length: 11.000 INCHES IN; Enlarged End Inside Diameter: 5.000 INCHES NOMINAL IN. 8 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.