PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8409 ITEM 3 3INDisk,valve

William E Williams Valve Corp · NSN 4820-01-247-9334 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-247-9334 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-247-9334. Primary manufacturer part number: 8409 ITEM 3 3IN.
Features
  • Disk,valve — FSC 4820
  • Pressure Rating: 300.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
  • Material: STEEL
  • Style Designator: PLUG
  • 2 verified cross-references
  • Primary manufacturer: William E Williams Valve Corp
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 4820-01-247-9334, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is William E Williams Valve Corp. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-247-9334
Primary Part Number8409 ITEM 3 3IN
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam E Williams Valve Corp
StatusACTIVE
Pressure Rating300.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
MaterialSTEEL
Style DesignatorPLUG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-065-51308228A0440-1A INTERCHANGEABLE
Standoff,threaded,spacing
Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware
5995-00-073-54278409 INTERCHANGEABLE
Cord Assembly,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
5975-00-281-0055 INTERCHANGEABLE
Cover,junction Box
1620-00-766-60998409 INTERCHANGEABLE
Arm,input Drive
Goodrich Corporation
3030-00-864-73983849258 INTERCHANGEABLE
Belt,v
General Motors Llc Dba General Motors Llc
3950-01-154-8092 INTERCHANGEABLE
Parts Kit,winch
4820-01-247-93058409 ITEM 2 3IN INTERCHANGEABLE
Seat,valve
William E Williams Valve Corp
4820-01-247-97893IN 302W-1 INTERCHANGEABLE
Valve,globe
William E Williams Valve Corp
4820-01-248-24768409 ITEM 17 3IN INTERCHANGEABLE
Stem,fluid Valve
William E Williams Valve Corp
5820-01-379-14048410 INTERCHANGEABLE
Repeater,radio
Meggitt Safety Systems Inc
Cross-Reference Index
Part NumberManufacturer
8409 ITEM 3 3IN PRIMARY William E Williams Valve Corp (USA)
8409 William E Williams Valve Corp (USA)
Related Parts
5340-00-065-5130INTERCHANGEABLE
STANDOFF,THREADED,SPACING
8228A0440-1A
5995-00-073-5427INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL
8409
5975-00-281-0055INTERCHANGEABLE
COVER,JUNCTION BOX
1620-00-766-6099INTERCHANGEABLE
ARM,INPUT DRIVE
8409
3030-00-864-7398INTERCHANGEABLE
BELT,V
3849258
3950-01-154-8092INTERCHANGEABLE
PARTS KIT,WINCH
4820-01-247-9305INTERCHANGEABLE
SEAT,VALVE
8409 ITEM 2 3IN
4820-01-247-9789INTERCHANGEABLE
VALVE,GLOBE
3IN 302W-1
4820-01-248-2476INTERCHANGEABLE
STEM,FLUID VALVE
8409 ITEM 17 3IN
5820-01-379-1404INTERCHANGEABLE
REPEATER,RADIO
8410
5962-01-395-9778INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5940-01-422-2776INTERCHANGEABLE
TERMINAL BOARD
307

Frequently Asked Questions

What is NSN 4820-01-247-9334?

NSN 4820-01-247-9334 is a Disk,valve, manufactured by William E Williams Valve Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-247-9334?

NSN 4820-01-247-9334 has 2 cross-referenced part numbers: 8409 ITEM 3 3IN (William E Williams Valve Corp), 8409 (William E Williams Valve Corp).

What NSN replaces 4820-01-247-9334?

There are 12 known substitutes for 4820-01-247-9334: 5340-00-065-5130, 5995-00-073-5427, 5975-00-281-0055 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8409 ITEM 3 3IN?

Key specifications for 8409 ITEM 3 3IN: Pressure Rating: 300.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Material: STEEL; Style Designator: PLUG. 3 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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