PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

82321Disk,valve

William Powell Company, the Dba Powell Valve Div the Starflo Corporation · NSN 4810-01-180-3184 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-180-3184 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-180-3184. Primary manufacturer part number: 82321.
Features
  • Disk,valve — FSC 4810
  • Style Designator: SOLID WEDGE
  • Pressure Rating: 1200.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
  • Taper Length: 5.812 INCHES NOMINAL IN
  • Taper Minor Diameter: 3.375 INCHES NOMINAL IN
  • Material: STEEL
  • Taper Major Diameter: 4.388 INCHES NOMINAL IN
  • 3 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Disk,valve, cataloged under National Stock Number 4810-01-180-3184, is classified within Federal Supply Class 4810 (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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-01-180-3184
Primary Part Number82321
Item NameDisk,valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerWilliam Powell Company, the Dba Powell Valve Div the Starflo Corporation
StatusACTIVE
Style DesignatorSOLID WEDGE
Pressure Rating1200.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Taper Length5.812 INCHES NOMINAL IN
Taper Minor Diameter3.375 INCHES NOMINAL IN
MaterialSTEEL
Taper Major Diameter4.388 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5935-00-581-4105UG1214U INTERCHANGEABLE
Connector,plug,electrical
Joint Electronics Type Designation System
4730-00-725-0537UA612 INTERCHANGEABLE
Clamp,hose
Voss Industries, Llc
5905-01-015-5098311-0635-00 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Tektronix, Inc.
9310-01-083-5214WAU82321 INTERCHANGEABLE
Paper,cover
Neenah Paper Inc. Div Neenah Paper Michigan, Inc.
5305-01-101-942282321 INTERCHANGEABLE
Screw,machine
Hdt Expeditionary Systems Inc
5305-01-334-500082321 INTERCHANGEABLE
Screw,machine
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5340-01-432-0950 INTERCHANGEABLE
Retainer,nut and Bolt
5340-01-462-7988741184-A INTERCHANGEABLE
Retainer,nut and Bolt
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
1005-01-526-437282321 INTERCHANGEABLE
Sight,front
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
057359 ITEM 25 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
057359 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
82321 PRIMARY William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
Related Parts
5935-00-581-4105INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
UG1214U
4730-00-725-0537INTERCHANGEABLE
CLAMP,HOSE
UA612
5905-01-015-5098INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
311-0635-00
9310-01-083-5214INTERCHANGEABLE
PAPER,COVER
WAU82321
5305-01-101-9422INTERCHANGEABLE
SCREW,MACHINE
82321
5305-01-334-5000INTERCHANGEABLE
SCREW,MACHINE
82321
5340-01-432-0950INTERCHANGEABLE
RETAINER,NUT AND BOLT
5340-01-462-7988INTERCHANGEABLE
RETAINER,NUT AND BOLT
741184-A
1005-01-526-4372INTERCHANGEABLE
SIGHT,FRONT
82321

Frequently Asked Questions

What is NSN 4810-01-180-3184?

NSN 4810-01-180-3184 is a Disk,valve, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-180-3184?

NSN 4810-01-180-3184 has 3 cross-referenced part numbers: 057359 ITEM 25 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 057359 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 82321 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).

What NSN replaces 4810-01-180-3184?

There are 9 known substitutes for 4810-01-180-3184: 5935-00-581-4105, 4730-00-725-0537, 5905-01-015-5098 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 82321?

Key specifications for 82321: Style Designator: SOLID WEDGE; Pressure Rating: 1200.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Taper Length: 5.812 INCHES NOMINAL IN; Taper Minor Diameter: 3.375 INCHES NOMINAL IN. 6 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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