PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

943-504Valve,ball

Vianney Industries, Llc Dba Midland Metal Manufacturing Company · NSN 4820-01-646-3896 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-646-3896 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-646-3896. Primary manufacturer part number: 943-504.
Features
  • Valve,ball — FSC 4820
  • Maximum Operating Temp: 248.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE
  • Operating Pressure: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material: COPPER ALLOY BODY
  • Valve Size: 1.000 INCHES IN
  • Surface Treatment: CHROMIUM
  • Valve Operation Method: MANUAL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,ball, cataloged under National Stock Number 4820-01-646-3896, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Vianney Industries, Llc Dba Midland Metal Manufacturing Company. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-646-3896
Primary Part Number943-504
Item NameValve,ball
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVianney Industries, Llc Dba Midland Metal Manufacturing Company
StatusACTIVE
Maximum Operating Temp248.0 FAHRENHEIT SINGLE RESPONSE DEGF
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Operating Pressure600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialCOPPER ALLOY BODY
Valve Size1.000 INCHES IN
Surface TreatmentCHROMIUM
Valve Operation MethodMANUAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5120-01-398-770240707 INTERCHANGEABLE
Socket,socket Wrench
Sk Hand Tool
Cross-Reference Index
Part NumberManufacturer
943-504 Vianney Industries, Llc Dba Midland Metal Manufacturing Company (USA)
Related Parts
5120-01-398-7702INTERCHANGEABLE
SOCKET,SOCKET WRENCH
40707

Frequently Asked Questions

What is NSN 4820-01-646-3896?

NSN 4820-01-646-3896 is a Valve,ball, manufactured by Vianney Industries, Llc Dba Midland Metal Manufacturing Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-646-3896?

NSN 4820-01-646-3896 has 1 cross-referenced part number: 943-504 (Vianney Industries, Llc Dba Midland Metal Manufacturing Company).

What NSN replaces 4820-01-646-3896?

There is 1 known substitute for 4820-01-646-3896: 5120-01-398-7702. Verify interchangeability with system specifications before substitution.

What are the specifications of 943-504?

Key specifications for 943-504: Maximum Operating Temp: 248.0 FAHRENHEIT SINGLE RESPONSE DEGF; Special Features: OEM IS FROM UNDISCLOSED MANUFACTURER LOCATED IN ITALY; Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE; Operating Pressure: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 10 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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