PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8884 ITEM 8 20INStem,fluid Valve

William E Williams Valve Corp · NSN 4820-01-294-4887 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-294-4887 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-294-4887. Primary manufacturer part number: 8884 ITEM 8 20IN.
Features
  • Stem,fluid Valve — FSC 4820
  • Stem Actuating End Type: THREADED EXTERNALLY
  • Valve Size for Which Designed: 20.000 INCHES IN
  • Material Document and Classification: ASTM B21 ASSN STD SINGLE MATERIAL RESPONSE
  • Valve Type for Which Designed: GATE
  • Material: COPPER ALLOY 485
  • 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 485 construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-294-4887, 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 5 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-294-4887
Primary Part Number8884 ITEM 8 20IN
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam E Williams Valve Corp
StatusACTIVE
Stem Actuating End TypeTHREADED EXTERNALLY
Valve Size for Which Designed20.000 INCHES IN
Material Document and ClassificationASTM B21 ASSN STD SINGLE MATERIAL RESPONSE
Valve Type for Which DesignedGATE
MaterialCOPPER ALLOY 485
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5935-00-162-7213801102 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Bae Systems Information and Electronic Systems Integration Inc.
5315-00-200-28688331327 INTERCHANGEABLE
Pin,grooved,headless
U S Army Tank Automotive Command Amsta-Im-Mm
5940-00-503-8133 INTERCHANGEABLE
Terminal Board
7530-00-990-88847530-00-990-8884 INTERCHANGEABLE
Folder,file
National Industries for the Blind
4820-01-293-71488884 INTERCHANGEABLE
Valve,gate
William E Williams Valve Corp
4820-01-294-60498884 ITEMS 4 AND 6 20IN INTERCHANGEABLE
Seat,valve
William E Williams Valve Corp
4940-01-321-7675TRAC321-2RPW-M-NSU/FW-M-LHS INTERCHANGEABLE
Cleaner,steam,pressure Jet
Insinger Machine Co
6515-01-356-17498884 INTERCHANGEABLE
Accessory Unit,autotransfusion
Covidien Sales Llc Dba Covidien Sales
Cross-Reference Index
Part NumberManufacturer
8884 ITEM 8 20IN PRIMARY William E Williams Valve Corp (USA)
8884 William E Williams Valve Corp (USA)
Related Parts
5935-00-162-7213INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
801102
5315-00-200-2868INTERCHANGEABLE
PIN,GROOVED,HEADLESS
8331327
5940-00-503-8133INTERCHANGEABLE
TERMINAL BOARD
7530-00-990-8884INTERCHANGEABLE
FOLDER,FILE
7530-00-990-8884
4820-01-293-7148INTERCHANGEABLE
VALVE,GATE
8884
4820-01-294-6049INTERCHANGEABLE
SEAT,VALVE
8884 ITEMS 4 AND 6 20IN
4940-01-321-7675INTERCHANGEABLE
CLEANER,STEAM,PRESSURE JET
TRAC321-2RPW-M-NSU/FW-M-LHS
6515-01-356-1749INTERCHANGEABLE
ACCESSORY UNIT,AUTOTRANSFUSION
8884

Frequently Asked Questions

What is NSN 4820-01-294-4887?

NSN 4820-01-294-4887 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 4820-01-294-4887?

NSN 4820-01-294-4887 has 2 cross-referenced part numbers: 8884 ITEM 8 20IN (William E Williams Valve Corp), 8884 (William E Williams Valve Corp).

What NSN replaces 4820-01-294-4887?

There are 8 known substitutes for 4820-01-294-4887: 5935-00-162-7213, 5315-00-200-2868, 5940-00-503-8133 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8884 ITEM 8 20IN?

Key specifications for 8884 ITEM 8 20IN: Stem Actuating End Type: THREADED EXTERNALLY; Valve Size for Which Designed: 20.000 INCHES IN; Material Document and Classification: ASTM B21 ASSN STD SINGLE MATERIAL RESPONSE; Valve Type for Which Designed: GATE. 5 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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