The Air Cleaner,crankcase,emission C, cataloged under National Stock Number 2990-01-424-9779, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2990-01-424-9779 |
| Primary Part Number | WI-6090 |
| Item Name | Air Cleaner,crankcase,emission C |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | WITH SILENCER USED ON LEFT HAND SIDE |
| 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 |
|---|---|
| WI-6090 PRIMARY | Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc (USA) |
| Reference | Meaning |
|---|---|
| 2990PL1514912 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 2990-01-424-9779 is a Air Cleaner,crankcase,emission C, manufactured by Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-424-9779 has 1 manufacturer part number on file: WI-6090 (Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc).
Key specifications for WI-6090: General Characteristics Item Description: WITH SILENCER USED ON LEFT HAND SIDE. 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.