PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41464Disk,valve

Thomas C. Wilson, Inc. Dba Thomas C Wilson · NSN 4820-01-149-1783 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-149-1783 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-149-1783. Primary manufacturer part number: 41464.
Features
  • Disk,valve — FSC 4820
  • Style Designator: SOLID
  • Outside Diameter: 0.547 INCHES NOMINAL IN
  • Material: STEEL
  • 1 verified cross-reference
  • Primary manufacturer: Thomas C. Wilson, Inc. Dba Thomas C Wilson
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-149-1783, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Thomas C. Wilson, Inc. Dba Thomas C Wilson. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-149-1783
Primary Part Number41464
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerThomas C. Wilson, Inc. Dba Thomas C Wilson
StatusACTIVE
Style DesignatorSOLID
Outside Diameter0.547 INCHES NOMINAL IN
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3040-00-050-67441197061 INTERCHANGEABLE
Clamp,hub
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2805-00-366-034640006B INTERCHANGEABLE
Cover,valve
Brinkley Technology Group Llc Dba Hercules Manufacturing
6620-00-535-139541464 INTERCHANGEABLE
Board and Adjuster,indicator
Meggitt (new Hampshire), Inc
5950-00-648-0183 INTERCHANGEABLE
Transformer,radio Frequency
5962-01-223-128341464 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
2040-01-397-517441464 INTERCHANGEABLE
Hatch,marine
Tempress Inc
3120-01-478-857441464 INTERCHANGEABLE
Bearing,sleeve
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
41464 Thomas C. Wilson, Inc. Dba Thomas C Wilson (USA)
Related Parts
3040-00-050-6744INTERCHANGEABLE
CLAMP,HUB
1197061
2805-00-366-0346INTERCHANGEABLE
COVER,VALVE
40006B
6620-00-535-1395INTERCHANGEABLE
BOARD AND ADJUSTER,INDICATOR
41464
5950-00-648-0183INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5962-01-223-1283INTERCHANGEABLE
MICROCIRCUIT,MEMORY
41464
2040-01-397-5174INTERCHANGEABLE
HATCH,MARINE
41464
3120-01-478-8574INTERCHANGEABLE
BEARING,SLEEVE
41464

Frequently Asked Questions

What is NSN 4820-01-149-1783?

NSN 4820-01-149-1783 is a Disk,valve, manufactured by Thomas C. Wilson, Inc. Dba Thomas C Wilson, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-149-1783?

NSN 4820-01-149-1783 has 1 cross-referenced part number: 41464 (Thomas C. Wilson, Inc. Dba Thomas C Wilson).

What NSN replaces 4820-01-149-1783?

There are 7 known substitutes for 4820-01-149-1783: 3040-00-050-6744, 2805-00-366-0346, 6620-00-535-1395 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41464?

Key specifications for 41464: Style Designator: SOLID; Outside Diameter: 0.547 INCHES NOMINAL IN; Overall Height: 0.015 INCHES NOMINAL IN; Material: STEEL. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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