The Pipe Assembly,exhaust, cataloged under National Stock Number 2990-01-147-7987, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Kovatch Corp.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2990-01-147-7987 |
| Primary Part Number | K-500-CH-0358 |
| Item Name | Pipe Assembly,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Kovatch Corp. |
| Status | ACTIVE |
| General Characteristics Item Description | DESIGNED FOR USE ON EXHAUST SYSTEM,89620 P/N 1ME 1ME 41458 |
| 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 |
|---|---|
| K-500-CH-0358 | Kovatch Corp. (USA) |
| Reference | Meaning |
|---|---|
| 4ME 21941 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2990-01-147-7987 is a Pipe Assembly,exhaust, manufactured by Kovatch Corp., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-147-7987 has 1 manufacturer part number on file: K-500-CH-0358 (Kovatch Corp.).
Key specifications for K-500-CH-0358: General Characteristics Item Description: DESIGNED FOR USE ON EXHAUST SYSTEM,89620 P/N 1ME 1ME 41458. 1 specification is 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.