NSN 4820-01-453-4371 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-453-4371. Manufacturer of record part number: 9014-004-031-S.
Flange Seat to Disk End Height: 2.625 INCHES NOMINAL IN
Flange Diameter: 3.1875 INCHES NOMINAL IN
Body Outside Diameter: 3.375 INCHES NOMINAL IN
Style Designator: PLAIN FLANGED
Body Inside Diameter: 2.875 INCHES NOMINAL IN
Under Flange Height: 1.920 INCHES NOMINAL IN
Material: STEEL BODY
Identification
NSN: 4820-01-453-4371
NIIN: 014534371
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 9014-004-031-S
Manufacturer: Velan Valve Corp.
General Description
The Seat,valve, cataloged under National Stock Number 4820-01-453-4371, 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 8 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. Current acquisition status: Active.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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4820-00-001-0021
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Frequently Asked Questions
What is NSN 4820-01-453-4371?
NSN 4820-01-453-4371 is a Seat,valve, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-453-4371?
NSN 4820-01-453-4371 has 2 manufacturer part numbers on file: 9014-004-031-S (Velan Valve Corp.), 88319-12 ITEM 4 PN9014-004-036-S (Velan Valve Corp.).
What are the specifications of 9014-004-031-S?
Key specifications for 9014-004-031-S: Flange Seat to Disk End Height: 2.625 INCHES NOMINAL IN; Flange Diameter: 3.1875 INCHES NOMINAL IN; Body Outside Diameter: 3.375 INCHES NOMINAL IN; Style Designator: PLAIN FLANGED. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-453-4371 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.