Stem, Fluid Valve 4820-01-256-3650 NSN 4820-01-256-3650 · NIIN 012563650 · Part number D3994-6IN PART N0.4
Portland Valve Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 53154
NSN 4820-01-256-3650 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-256-3650. Manufacturer of record part number: D3994-6IN PART N0.4 .
Also searched as
4820-01-256-3650 ·
4820012563650 ·
NIIN 012563650 ·
01-256-3650 ·
FSC 4820 Valves, Nonpowered · CAGE 53154 · D3994-6IN PART N0.4 · D3994-6IN PART NO.4
Nearby stock numbers
← 4820-01-256-3649 Stem, Fluid Valve
·
4820-01-256-3656 Body, Valve →
4820-01-256-3650 — Valves, Nonpowered
Features
Stem,fluid Valve — FSC 4820 Material: STEEL CORROSION RESISTING 1 manufacturer part number on file Manufacturer of record: Portland Valve Llc
Identification
NSN: 4820-01-256-3650
NIIN: 012563650
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: D3994-6IN PART N0.4
Manufacturer: Portland Valve Llc
General Description
The Stem,fluid Valve, cataloged under National Stock Number 4820-01-256-3650, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Portland Valve Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Technical Specifications
Parameter Value NSN 4820-01-256-3650 Primary Part Number D3994-6IN PART N0.4 Item Name Stem,fluid Valve FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Portland Valve Llc Status ACTIVE Material STEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition Status ACTIVE DEMIL Code DEMIL A — No Demilitarization Required Hazard No hazard code in the DLA record (HMIC N) Criticality Code X
Cross-Reference Index
Reference documents
Reference Meaning
D3994-6IN PART NO.4
5/9 Secondary reference Metso Automation Usa, Inc
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-256-3650?
NSN 4820-01-256-3650 is a Stem,fluid Valve, manufactured by Portland Valve Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-256-3650?
NSN 4820-01-256-3650 has 1 manufacturer part number on file: D3994-6IN PART N0.4 (Portland Valve Llc).
What are the specifications of D3994-6IN PART N0.4?
Key specifications for D3994-6IN PART N0.4: Material: STEEL CORROSION RESISTING. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-256-3650 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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