PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8883 ITEM 8 20INStem,fluid Valve

William E Williams Valve Corp · NSN 4820-01-294-2595 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-294-2595 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-294-2595. Primary manufacturer part number: 8883 ITEM 8 20IN.
Features
  • Stem,fluid Valve — FSC 4820
  • Material: COPPER ALLOY
  • 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 Copper Alloy construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-294-2595, 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 1 verified specification, 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-294-2595
Primary Part Number8883 ITEM 8 20IN
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam E Williams Valve Corp
StatusACTIVE
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4540-00-421-9582711XJ0870 INTERCHANGEABLE
Heating Element
Indeeco Llc Dba Indeeco
5970-00-433-08678883 INTERCHANGEABLE
Insulator,bushing
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5995-00-456-77568883 INTERCHANGEABLE
Cable Assembly,radio Frequency
Times Microwave Systems, Inc Dba Times Microwave Systems Inc Div Times Microwave Systems
5940-00-503-85358883 INTERCHANGEABLE
Terminal Board
Lucent Technologies Inc Corporate Headquarters
5950-00-879-3661 INTERCHANGEABLE
Transformer,power
4820-01-291-15448883 INTERCHANGEABLE
Valve,gate
William E Williams Valve Corp
4820-01-294-17888883 ITEM 5 20IN INTERCHANGEABLE
Seat,valve
William E Williams Valve Corp
4820-01-294-25978883 ITEM 9 20IN INTERCHANGEABLE
Retainer,disk,valve
William E Williams Valve Corp
4820-01-294-49498883 ITEM 7 20IN INTERCHANGEABLE
Guide,valve Stem
William E Williams Valve Corp
6515-01-519-9161CUR8236H INTERCHANGEABLE
Glove,patient Examining
Medline Industries, Lp
Cross-Reference Index
Part NumberManufacturer
8883 William E Williams Valve Corp (USA)
8883 ITEM 8 20IN PRIMARY William E Williams Valve Corp (USA)
Related Parts
4540-00-421-9582INTERCHANGEABLE
HEATING ELEMENT
711XJ0870
5970-00-433-0867INTERCHANGEABLE
INSULATOR,BUSHING
8883
5995-00-456-7756INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
8883
5940-00-503-8535INTERCHANGEABLE
TERMINAL BOARD
8883
5950-00-879-3661INTERCHANGEABLE
TRANSFORMER,POWER
4820-01-291-1544INTERCHANGEABLE
VALVE,GATE
8883
4820-01-294-1788INTERCHANGEABLE
SEAT,VALVE
8883 ITEM 5 20IN
4820-01-294-2597INTERCHANGEABLE
RETAINER,DISK,VALVE
8883 ITEM 9 20IN
4820-01-294-4949INTERCHANGEABLE
GUIDE,VALVE STEM
8883 ITEM 7 20IN
6515-01-519-9161INTERCHANGEABLE
GLOVE,PATIENT EXAMINING
CUR8236H
6550-01-566-3664INTERCHANGEABLE
CONTROLS,REACTIVE,NON-REACTIVE,H
92112

Frequently Asked Questions

What is NSN 4820-01-294-2595?

NSN 4820-01-294-2595 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 4820-01-294-2595?

NSN 4820-01-294-2595 has 2 cross-referenced part numbers: 8883 (William E Williams Valve Corp), 8883 ITEM 8 20IN (William E Williams Valve Corp).

What NSN replaces 4820-01-294-2595?

There are 11 known substitutes for 4820-01-294-2595: 4540-00-421-9582, 5970-00-433-0867, 5995-00-456-7756 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8883 ITEM 8 20IN?

Key specifications for 8883 ITEM 8 20IN: Material: COPPER ALLOY. 1 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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