PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8409 ITEM 17 3INStem,fluid Valve

William E Williams Valve Corp · NSN 4820-01-248-2476 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-248-2476 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-248-2476. Primary manufacturer part number: 8409 ITEM 17 3IN.
Features
  • Stem,fluid Valve — FSC 4820
  • Valve Size for Which Designed: 3.000 INCHES IN
  • Stem Actuating End Type: THREADED EXTERNALLY
  • Material Document and Classification: ASTM A182 GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE
  • Material: STEEL CORROSION RESISTING
  • Features Provided: RISING STEM AND THREADED
  • Valve Type for Which Designed: GLOBE
  • Valve Model Number for Which Designed: NO 3O2W-1
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-248-2476, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN4820-01-248-2476
Primary Part Number8409 ITEM 17 3IN
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam E Williams Valve Corp
StatusACTIVE
Valve Size for Which Designed3.000 INCHES IN
Stem Actuating End TypeTHREADED EXTERNALLY
Material Document and ClassificationASTM A182 GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE
MaterialSTEEL CORROSION RESISTING
Features ProvidedRISING STEM AND THREADED
Valve Type for Which DesignedGLOBE
Valve Model Number for Which DesignedNO 3O2W-1
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
4820-01-247-93348409 ITEM 3 3IN INTERCHANGEABLE
Disk,valve
William E Williams Valve Corp
4820-01-247-97893IN 302W-1 INTERCHANGEABLE
Valve,globe
William E Williams Valve Corp
5820-01-379-14048410 INTERCHANGEABLE
Repeater,radio
Meggitt Safety Systems Inc
Cross-Reference Index
Part NumberManufacturer
302W-1 PC14 3IN William E Williams Valve Corp (USA)
8409 William E Williams Valve Corp (USA)
8409 ITEM 17 3IN PRIMARY 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
4820-01-247-9334INTERCHANGEABLE
DISK,VALVE
8409 ITEM 3 3IN
4820-01-247-9789INTERCHANGEABLE
VALVE,GLOBE
3IN 302W-1
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 4820-01-248-2476?

NSN 4820-01-248-2476 is a Stem,fluid 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 4820-01-248-2476?

NSN 4820-01-248-2476 has 3 cross-referenced part numbers: 302W-1 PC14 3IN (William E Williams Valve Corp), 8409 (William E Williams Valve Corp), 8409 ITEM 17 3IN (William E Williams Valve Corp).

What NSN replaces 4820-01-248-2476?

There are 12 known substitutes for 4820-01-248-2476: 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 17 3IN?

Key specifications for 8409 ITEM 17 3IN: Valve Size for Which Designed: 3.000 INCHES IN; Stem Actuating End Type: THREADED EXTERNALLY; Material Document and Classification: ASTM A182 GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE; Material: STEEL CORROSION RESISTING. 7 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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