NSN 4820-01-423-1983 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-423-1983. Manufacturer of record part number: 8533-505-031S.
Also searched as4820-01-423-1983 ·
4820014231983 ·
NIIN 014231983 ·
01-423-1983 ·
FSC 4820 Valves, Nonpowered · CAGE 57574 · 8533-505-031S
Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Taper Minor Diameter: 1.000 INCHES NOMINAL IN
Style Designator: SOLID WEDGE
Taper Major Diameter: 2.303 INCHES NOMINAL IN
Taper Length: 5.120 INCHES NOMINAL IN
Material: STEEL CORROSION RESISTING
1 manufacturer part number on file
Identification
NSN: 4820-01-423-1983
NIIN: 014231983
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 8533-505-031S
Manufacturer: Velan Valve Corp.
General Description
The Disk,valve, cataloged under National Stock Number 4820-01-423-1983, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Velan Valve Corp.. Government technical data includes 6 specifications, 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. Current acquisition status: Active.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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4820-00-000-0097 · Item name not on file
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4820-00-001-0020 · Item name not on file
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4820-00-001-0021 · Item name not on file
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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 4820-01-423-1983?
NSN 4820-01-423-1983 is a Disk,valve, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-423-1983?
NSN 4820-01-423-1983 has 1 manufacturer part number on file: 8533-505-031S (Velan Valve Corp.).
What are the specifications of 8533-505-031S?
Key specifications for 8533-505-031S: Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Taper Minor Diameter: 1.000 INCHES NOMINAL IN; Style Designator: SOLID WEDGE; Taper Major Diameter: 2.303 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-423-1983 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.