The Valve,air,emission Control, cataloged under National Stock Number 2990-01-556-0337, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Western Diesel Services, Inc. Dba Ck Power. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Valve,air,emission Control |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | Western Diesel Services, Inc. Dba Ck Power (CAGE 3Z7L8) |
| Parameter | Value |
|---|---|
| NSN | 2990-01-556-0337 |
| Primary Part Number | RE521162 |
| Item Name | Valve,air,emission Control |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Western Diesel Services, Inc. Dba Ck Power |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| RE521162 PRIMARY | Western Diesel Services, Inc. Dba Ck Power (USA) |
| Reference | Meaning |
|---|---|
| RE521162 | 3/9 Design control — primary reference C-K Power Products Corp |
NSN 2990-01-556-0337 is a Valve,air,emission Control, manufactured by Western Diesel Services, Inc. Dba Ck Power, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-556-0337 has 1 manufacturer part number on file: RE521162 (Western Diesel Services, Inc. Dba Ck Power).
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.