PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

230-147Stem,fluid Valve

Mcc Powers Process Controls Div of Mark Controls Corp · NSN 4820-00-406-8981 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-406-8981 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-406-8981. Primary manufacturer part number: 230-147.
Features
  • Stem,fluid Valve — FSC 4820
  • Largest Outside Diameter: 0.656 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • 1 verified cross-reference
  • Primary manufacturer: Mcc Powers Process Controls Div of Mark Controls 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 4820-00-406-8981, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mcc Powers Process Controls Div of Mark Controls Corp. Government technical data includes 2 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-406-8981
Primary Part Number230-147
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMcc Powers Process Controls Div of Mark Controls Corp
StatusACTIVE
Largest Outside Diameter0.656 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-00-576-7869654886 INTERCHANGEABLE
Screw,machine
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5310-00-732-0559 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
230-147 Mcc Powers Process Controls Div of Mark Controls Corp (USA)
Related Parts
5305-00-576-7869INTERCHANGEABLE
SCREW,MACHINE
654886
5310-00-732-0559INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 4820-00-406-8981?

NSN 4820-00-406-8981 is a Stem,fluid Valve, manufactured by Mcc Powers Process Controls Div of Mark Controls Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-406-8981?

NSN 4820-00-406-8981 has 1 cross-referenced part number: 230-147 (Mcc Powers Process Controls Div of Mark Controls Corp).

What NSN replaces 4820-00-406-8981?

There are 2 known substitutes for 4820-00-406-8981: 5305-00-576-7869, 5310-00-732-0559. Verify interchangeability with system specifications before substitution.

What are the specifications of 230-147?

Key specifications for 230-147: Largest Outside Diameter: 0.656 INCHES NOMINAL IN; Material: COPPER ALLOY; Overall Length: 1.562 INCHES NOMINAL IN. 3 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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