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NSN 4820-01-453-4369Government record, cited
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Disk, Valve4820-01-453-4369

NSN 4820-01-453-4369 · NIIN 014534369 · Part number 8954-004-139S
Velan Valve Corp. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 57574
Government record, cited
NSN 4820-01-453-4369 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-453-4369. Manufacturer of record part number: 8954-004-139S.
Also searched as  4820-01-453-4369 · 4820014534369 · NIIN 014534369 · 01-453-4369 · FSC 4820 Valves, Nonpowered · CAGE 57574 · 8954-004-139S · 88319-12 ITEM 5 PN 8954-004-036S · 88319-12 P/N 8954-004-031-SG · 8954-004-036-S
Nearby stock numbers  ·
⌀1.743 INCHES NOMINAL IN 200.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS rated GATE VALVE PROFILE
4820-01-453-4369 — Valves, Nonpowered
Features
  • Disk,valve — FSC 4820
  • Pressure Rating: 200.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
  • Taper Minor Diameter: 1.743 INCHES NOMINAL IN
  • Style Designator: SOLID WEDGE
  • Taper Major Diameter: 4.750 INCHES NOMINAL IN
  • Seat Angle: 45.0 DEGREES NOMINAL
  • Taper Length: 3.250 INCHES NOMINAL IN
  • Media for Which Designed: STEAM
Identification
  • NSN: 4820-01-453-4369
  • NIIN: 014534369
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 8954-004-139S
  • Manufacturer: Velan Valve Corp.
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-453-4369, 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 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-453-4369
Primary Part Number8954-004-139S
Item NameDisk,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerVelan Valve Corp.
StatusACTIVE
Pressure Rating200.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Taper Minor Diameter1.743 INCHES NOMINAL IN
Style DesignatorSOLID WEDGE
Taper Major Diameter4.750 INCHES NOMINAL IN
Seat Angle45.0 DEGREES NOMINAL
Taper Length3.250 INCHES NOMINAL IN
Media for Which DesignedSTEAM
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
88319-12 ITEM 5 PN 8954-004-036S Velan Valve Corp. (USA)
8954-004-139S PRIMARY Velan Valve Corp. (USA)
88319-12 P/N 8954-004-031-SG Velan Valve Corp. (USA)
8954-004-036-S Velan Valve Corp. (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
Related Parts in Valves
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
8171E-1/4HS2
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
D559A3M2
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 4820-01-453-4369?

NSN 4820-01-453-4369 is a Disk,valve, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-453-4369?

NSN 4820-01-453-4369 has 4 manufacturer part numbers on file: 88319-12 ITEM 5 PN 8954-004-036S (Velan Valve Corp.), 8954-004-139S (Velan Valve Corp.), 88319-12 P/N 8954-004-031-SG (Velan Valve Corp.), 8954-004-036-S (Velan Valve Corp.).

What are the specifications of 8954-004-139S?

Key specifications for 8954-004-139S: Overall Height: 3.500 INCHES NOMINAL IN; Pressure Rating: 200.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Taper Minor Diameter: 1.743 INCHES NOMINAL IN; Style Designator: SOLID WEDGE. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-453-4369 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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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