PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D42256-02432Disk,valve

William Powell Company, the Dba Powell Valve Div the Starflo Corporation · NSN 4820-00-010-1661 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-010-1661 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-010-1661. Primary manufacturer part number: D42256-02432.
Features
  • Disk,valve — FSC 4820
  • Temp Rating: 150.0 FAHRENHEIT MINIMUM AND 275.0 FAHRENHEIT MAXIMUM DEGF
  • Outside Diameter: 1.073 INCHES MINIMUM AND 1.093 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC AND ASBESTOS
  • Style Designator: PLAIN
  • Inside Diameter: 0.377 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN
  • Media for Which Designed: STEAM OR WATER, HOT
  • Pressure Rating: 200.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Synthetic and Asbestos construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-010-1661, 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 7 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-010-1661
Primary Part NumberD42256-02432
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam Powell Company, the Dba Powell Valve Div the Starflo Corporation
StatusACTIVE
Temp Rating150.0 FAHRENHEIT MINIMUM AND 275.0 FAHRENHEIT MAXIMUM DEGF
Outside Diameter1.073 INCHES MINIMUM AND 1.093 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC AND ASBESTOS
Style DesignatorPLAIN
Inside Diameter0.377 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN
Media for Which DesignedSTEAM OR WATER, HOT
Pressure Rating200.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6625-00-123-310502432 INTERCHANGEABLE
Ammeter
Simpson Electric Company, Inc.
Cross-Reference Index
Part NumberManufacturer
D42256-02432 PRIMARY William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
02432 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
Related Parts
6625-00-123-3105INTERCHANGEABLE
AMMETER
02432

Frequently Asked Questions

What is NSN 4820-00-010-1661?

NSN 4820-00-010-1661 is a Disk,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 4820-00-010-1661?

NSN 4820-00-010-1661 has 2 cross-referenced part numbers: D42256-02432 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 02432 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).

What NSN replaces 4820-00-010-1661?

There is 1 known substitute for 4820-00-010-1661: 6625-00-123-3105. Verify interchangeability with system specifications before substitution.

What are the specifications of D42256-02432?

Key specifications for D42256-02432: Temp Rating: 150.0 FAHRENHEIT MINIMUM AND 275.0 FAHRENHEIT MAXIMUM DEGF; Overall Height: 0.240 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN; Outside Diameter: 1.073 INCHES MINIMUM AND 1.093 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC AND ASBESTOS. 8 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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