PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

831181961650200Disk,valve

William Powell Company, the Dba Powell Valve Div the Starflo Corporation · NSN 4820-01-161-1362 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-161-1362 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-161-1362. Primary manufacturer part number: 831181961650200.
Features
  • Disk,valve — FSC 4820
  • Material: NICKEL ALLOY
  • Seat Angle: 5.0 DEGREES NOMINAL
  • Style Designator: SOLID WEDGE
  • 4 verified cross-references
  • 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 Nickel Alloy construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-161-1362, 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 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-161-1362
Primary Part Number831181961650200
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam Powell Company, the Dba Powell Valve Div the Starflo Corporation
StatusACTIVE
MaterialNICKEL ALLOY
Seat Angle5.0 DEGREES NOMINAL
Style DesignatorSOLID WEDGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5325-00-185-0004 INTERCHANGEABLE
Grommet,nonmetallic
5905-00-299-2015 INTERCHANGEABLE
Resistor,fixed,composition
4820-01-161-1252109346 INTERCHANGEABLE
Seat,valve
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
4820-01-164-7889128811 INTERCHANGEABLE
Valve,gate
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
2930-01-548-2555 INTERCHANGEABLE
Flap,radiator
Cross-Reference Index
Part NumberManufacturer
831181961650200 PRIMARY William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
118196 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
056325 ITEM 19 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
056325 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
Related Parts
5325-00-185-0004INTERCHANGEABLE
GROMMET,NONMETALLIC
5905-00-299-2015INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
4820-01-161-1252INTERCHANGEABLE
SEAT,VALVE
109346
4820-01-164-7889INTERCHANGEABLE
VALVE,GATE
128811
2930-01-548-2555INTERCHANGEABLE
FLAP,RADIATOR

Frequently Asked Questions

What is NSN 4820-01-161-1362?

NSN 4820-01-161-1362 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 4820-01-161-1362?

NSN 4820-01-161-1362 has 4 cross-referenced part numbers: 831181961650200 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 118196 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 056325 ITEM 19 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 056325 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).

What NSN replaces 4820-01-161-1362?

There are 5 known substitutes for 4820-01-161-1362: 5325-00-185-0004, 5905-00-299-2015, 4820-01-161-1252 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 831181961650200?

Key specifications for 831181961650200: Material: NICKEL ALLOY; Seat Angle: 5.0 DEGREES NOMINAL; Overall Height: 3.656 INCHES NOMINAL IN; Style Designator: SOLID WEDGE. 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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