The Valve,ball, cataloged under National Stock Number 4820-01-351-2946, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Whale Marine Water Systems. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-351-2946 |
| Primary Part Number | DV5606 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Whale Marine Water Systems |
| Status | ACTIVE |
| Material | PLASTIC BODY |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| DV5606 | Whale Marine Water Systems (IRL) |
| DV5606 | West Marine Products, Inc. Div Government Sales (USA) |
| Reference | Meaning |
|---|---|
| 5104945 | D/9 Drawing number reference only Naval Sea Systems Command |
| MH5608 | 5/9 Secondary reference Henderson Pumps & Equipment Ltd |
| MH5608 | 5/9 Secondary reference Munster Simms Engineering Ltd |
| MH5608 | 3/9 Design control — primary reference Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| RAR1715 | 5/9 Secondary reference Naval Group Site De Lorient |
NSN 4820-01-351-2946 is a Valve,ball, manufactured by Whale Marine Water Systems, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-351-2946 has 2 manufacturer part numbers on file: DV5606 (Whale Marine Water Systems), DV5606 (West Marine Products, Inc. Div Government Sales).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-351-5892. Verify interchangeability with system specifications before substitution.
Key specifications for DV5606: Material: PLASTIC BODY; Valve Operation Method: MANUAL. 2 specifications are 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.