NSN 4820-00-477-8020 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-477-8020. Manufacturer of record part number: 15566VA8-10.
Also searched as4820-00-477-8020 ·
4820004778020 ·
NIIN 004778020 ·
00-477-8020 ·
FSC 4820 Valves, Nonpowered · CAGE 63479 · 15566VA8-10
Manufacturer of record: Process Supply Inc Dba Defense Products International
Identification
NSN: 4820-00-477-8020
NIIN: 004778020
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 15566VA8-10
Manufacturer: Process Supply Inc Dba Defense Products International
General Description
The Disk,valve, cataloged under National Stock Number 4820-00-477-8020, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Process Supply Inc Dba Defense Products International. 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
Disk,valve
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
Process Supply Inc Dba Defense Products International (CAGE 63479)
Technical Specifications
Parameter
Value
NSN
4820-00-477-8020
Primary Part Number
15566VA8-10
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Process Supply Inc Dba Defense Products International
Process Supply Inc Dba Defense Products International (USA)
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 4820-00-477-8020?
NSN 4820-00-477-8020 is a Disk,valve, manufactured by Process Supply Inc Dba Defense Products International, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-477-8020?
NSN 4820-00-477-8020 has 1 manufacturer part number on file: 15566VA8-10 (Process Supply Inc Dba Defense Products International).
Is NSN 4820-00-477-8020 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.