The Valve,4way, cataloged under National Stock Number 2030-00-300-4584, is classified within Federal Supply Class 2030 (Deck Machinery) of the Ship and Marine Equipment group. The manufacturer of record is Derbyshire Machine & Tool Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,4way |
| FSC / FSG | 2030 — Deck Machinery (FSG 20) |
| Manufacturers | Derbyshire Machine & Tool Co (CAGE 71905) |
| Parameter | Value |
|---|---|
| NSN | 2030-00-300-4584 |
| Primary Part Number | 78S104 |
| Item Name | Valve,4way |
| FSC / FSG | 2030 / 20 — Deck Machinery |
| Manufacturer | Derbyshire Machine & Tool Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 78S104 PRIMARY | Derbyshire Machine & Tool Co (USA) |
| Reference | Meaning |
|---|---|
| 3222919 | 3/2 Design control — primary reference U.S. Government activity |
| 2500 | 5/9 Secondary reference U.S. Government activity |
| 2500 | 5/9 Secondary reference U.S. Government activity |
NSN 2030-00-300-4584 is a Valve,4way, manufactured by Derbyshire Machine & Tool Co, classified under FSC 2030, Deck Machinery. Status: active.
NSN 2030-00-300-4584 has 1 manufacturer part number on file: 78S104 (Derbyshire Machine & Tool Co).
1 possible match (shared part number, not a government interchangeability claim): 4330-01-147-1372. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 2030-00-300-4584 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.