PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

104490Stem,fluid Valve

William Powell Company, the Dba Powell Valve Div the Starflo Corporation · NSN 4820-01-146-7906 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-146-7906 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-146-7906. Primary manufacturer part number: 104490.
Features
  • Stem,fluid Valve — FSC 4820
  • Material: STEEL
  • Stem Actuating End Type: THREADED EXTERNALLY
  • Largest Outside Diameter: 0.996 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: William Powell Company, the Dba Powell Valve Div the Starflo Corporation
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-146-7906, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is William Powell Company, the Dba Powell Valve Div the Starflo Corporation. Government technical data includes 3 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
NSN4820-01-146-7906
Primary Part Number104490
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam Powell Company, the Dba Powell Valve Div the Starflo Corporation
StatusACTIVE
MaterialSTEEL
Stem Actuating End TypeTHREADED EXTERNALLY
Largest Outside Diameter0.996 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5320-00-256-6403 INTERCHANGEABLE
Rivet,solid
3110-00-555-5221104490 INTERCHANGEABLE
Bearing,ball,annular
Mcculloch Corp
Cross-Reference Index
Part NumberManufacturer
104490 PRIMARY William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
Related Parts
5320-00-256-6403INTERCHANGEABLE
RIVET,SOLID
3110-00-555-5221INTERCHANGEABLE
BEARING,BALL,ANNULAR
104490

Frequently Asked Questions

What is NSN 4820-01-146-7906?

NSN 4820-01-146-7906 is a Stem,fluid Valve, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-146-7906?

NSN 4820-01-146-7906 has 1 cross-referenced part number: 104490 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).

What NSN replaces 4820-01-146-7906?

There are 2 known substitutes for 4820-01-146-7906: 5320-00-256-6403, 3110-00-555-5221. Verify interchangeability with system specifications before substitution.

What are the specifications of 104490?

Key specifications for 104490: Material: STEEL; Overall Length: 16.250 INCHES NOMINAL IN; Stem Actuating End Type: THREADED EXTERNALLY; Largest Outside Diameter: 0.996 INCHES NOMINAL IN. 4 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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