PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8347 PIECE 3Disk,valve

William E Williams Valve Corp · NSN 4820-01-247-2658 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-247-2658 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-247-2658. Primary manufacturer part number: 8347 PIECE 3.
Features
  • Disk,valve — FSC 4820
  • Material: STEEL
  • Pressure Rating: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • 4 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 4820-01-247-2658, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-247-2658
Primary Part Number8347 PIECE 3
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam E Williams Valve Corp
StatusACTIVE
MaterialSTEEL
Pressure Rating300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
8115-00-117-8347117-8347 INTERCHANGEABLE
Box,shipping
Arvco Container Corporation Div Arvco Container Corp
3110-00-237-694610-60952-1 INTERCHANGEABLE
Bearing,ball,annular
Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings
5330-00-360-8491 INTERCHANGEABLE
Gasket
1680-00-373-80448347 INTERCHANGEABLE
Gearbox Assembly,aircraft
Cef Industries, Llc Dba Cef Industries Inc
5340-00-403-76788347 INTERCHANGEABLE
Standoff,threaded,spacing
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5310-00-726-0811 INTERCHANGEABLE
Washer,keyway
3030-00-930-28598347 INTERCHANGEABLE
Belt,v
Gates Corporation
4410-01-478-29338347 INTERCHANGEABLE
Heating Element,electrical,immer
Better Engineering Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
8347 William E Williams Valve Corp (USA)
8347-3-2 1/2 William E Williams Valve Corp (USA)
8347PC3-21/2IN William E Williams Valve Corp (USA)
8347 PIECE 3 PRIMARY William E Williams Valve Corp (USA)
Related Parts
8115-00-117-8347INTERCHANGEABLE
BOX,SHIPPING
117-8347
3110-00-237-6946INTERCHANGEABLE
BEARING,BALL,ANNULAR
10-60952-1
5330-00-360-8491INTERCHANGEABLE
GASKET
1680-00-373-8044INTERCHANGEABLE
GEARBOX ASSEMBLY,AIRCRAFT
8347
5340-00-403-7678INTERCHANGEABLE
STANDOFF,THREADED,SPACING
8347
5310-00-726-0811INTERCHANGEABLE
WASHER,KEYWAY
3030-00-930-2859INTERCHANGEABLE
BELT,V
8347
4410-01-478-2933INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,IMMER
8347

Frequently Asked Questions

What is NSN 4820-01-247-2658?

NSN 4820-01-247-2658 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 4820-01-247-2658?

NSN 4820-01-247-2658 has 4 cross-referenced part numbers: 8347 (William E Williams Valve Corp), 8347-3-2 1/2 (William E Williams Valve Corp), 8347PC3-21/2IN (William E Williams Valve Corp), 8347 PIECE 3 (William E Williams Valve Corp).

What NSN replaces 4820-01-247-2658?

There are 8 known substitutes for 4820-01-247-2658: 8115-00-117-8347, 3110-00-237-6946, 5330-00-360-8491 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8347 PIECE 3?

Key specifications for 8347 PIECE 3: Material: STEEL; Pressure Rating: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS. 2 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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