Stem, Fluid Valve 4820-01-666-0439 NSN 4820-01-666-0439 · NIIN 016660439 · Part number 803-7526487-J04WXOX1C-013
Naval Sea Systems Command · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 53711
NSN 4820-01-666-0439 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-666-0439. Manufacturer of record part number: 803-7526487-J04WXOX1C-013 .
Also searched as
4820-01-666-0439 ·
4820016660439 ·
NIIN 016660439 ·
01-666-0439 ·
FSC 4820 Valves, Nonpowered · CAGE 53711 · 803-7526487-J04WXOX1C-013
Nearby stock numbers
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4820-01-666-0515 Disk, Valve →
4820-01-666-0439 — Valves, Nonpowered
Features
Stem,fluid Valve — FSC 4820 1 manufacturer part number on file Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 4820-01-666-0439
NIIN: 016660439
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 803-7526487-J04WXOX1C-013
Manufacturer: Naval Sea Systems Command
General Description
The Stem,fluid Valve, cataloged under National Stock Number 4820-01-666-0439, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name Stem,fluid Valve FSC / FSG 4820 — Valves, Nonpowered (FSG 48) Manufacturers Naval Sea Systems Command (CAGE 53711)
Technical Specifications
Parameter Value NSN 4820-01-666-0439 Primary Part Number 803-7526487-J04WXOX1C-013 Item Name Stem,fluid Valve FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Naval Sea Systems Command Status ACTIVE
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
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 4820-01-666-0439?
NSN 4820-01-666-0439 is a Stem,fluid Valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-666-0439?
NSN 4820-01-666-0439 has 1 manufacturer part number on file: 803-7526487-J04WXOX1C-013 (Naval Sea Systems Command).
Is NSN 4820-01-666-0439 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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