The Solenoid,three Way,emission Cont, cataloged under National Stock Number 2990-01-377-7009, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Westerbeke Corporation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-377-7009 |
| Primary Part Number | 39643 |
| Item Name | Solenoid,three Way,emission Cont |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Westerbeke Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | RIGHT SIDE OF FUEL SYSTEM - PART OF WESTERBEKE 9.0 BTG GENERATOR |
| 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 |
|---|---|
| 39643 PRIMARY | Westerbeke Corporation (USA) |
| Reference | Meaning |
|---|---|
| 36006 | 5/9 Secondary reference Westerbeke Corporation |
| 036006 | 5/9 Secondary reference Westerbeke Corporation |
NSN 2990-01-377-7009 is a Solenoid,three Way,emission Cont, manufactured by Westerbeke Corporation, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-377-7009 has 1 manufacturer part number on file: 39643 (Westerbeke Corporation).
4 possible matches (shared part number, not a government interchangeability claim): 5945-01-389-8688, 2930-01-462-6907, 3830-01-561-5589. Verify interchangeability with system specifications before substitution.
Key specifications for 39643: General Characteristics Item Description: RIGHT SIDE OF FUEL SYSTEM - PART OF WESTERBEKE 9.0 BTG GENERATOR. 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.