PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11045001440317Seat,valve

William Powell Company, the Dba Powell Valve Div the Starflo Corporation · NSN 4820-01-229-4210 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-229-4210 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-229-4210. Primary manufacturer part number: 11045001440317.
Features
  • Seat,valve — FSC 4820
  • Material: STEEL SEAT
  • Seating Surface Shape: O-RING
  • 3 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 Steel Seat construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-229-4210, 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 2 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
NSN4820-01-229-4210
Primary Part Number11045001440317
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam Powell Company, the Dba Powell Valve Div the Starflo Corporation
StatusACTIVE
MaterialSTEEL SEAT
Seating Surface ShapeO-RING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4810-00-063-4865104500 INTERCHANGEABLE
Cover,actuator
Triumph Thermal Systems - Maryland, Inc.
5330-00-074-8869104500 INTERCHANGEABLE
Gasket
Honeywell International Inc Dba Honeywell Div Consumer Products Group
4820-00-421-9134104500 INTERCHANGEABLE
Valve
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
6605-00-992-3096104500 INTERCHANGEABLE
Indicator,horizontal Situation
Astronautics Corporation of America
6320-01-317-092610-4500 INTERCHANGEABLE
Transmitter,rudder Angle
L3 Technologies, Inc.
5963-01-370-1997104-500 INTERCHANGEABLE
Oscillator,crystal Controlled
L-3 Communications Microdyne
5330-01-528-23893F.121770 POS 13 INTERCHANGEABLE
Seal,nonmetallic Strip
Norsk Inova Llc
6530-01-599-825210-4500 INTERCHANGEABLE
Case,sterilization
Sklar Corporation Dba Sklar Instruments
5330-01-679-1417104500 INTERCHANGEABLE
Gasket
Provision, Inc. Dba Provision Inc
Cross-Reference Index
Part NumberManufacturer
050519 ITEM 21 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
104500 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
11045001440317 PRIMARY William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
Related Parts
4810-00-063-4865INTERCHANGEABLE
COVER,ACTUATOR
104500
5330-00-074-8869INTERCHANGEABLE
GASKET
104500
4820-00-421-9134INTERCHANGEABLE
VALVE
104500
6605-00-992-3096INTERCHANGEABLE
INDICATOR,HORIZONTAL SITUATION
104500
6320-01-317-0926INTERCHANGEABLE
TRANSMITTER,RUDDER ANGLE
10-4500
5963-01-370-1997INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED
104-500
5330-01-528-2389INTERCHANGEABLE
SEAL,NONMETALLIC STRIP
3F.121770 POS 13
6530-01-599-8252INTERCHANGEABLE
CASE,STERILIZATION
10-4500
5330-01-679-1417INTERCHANGEABLE
GASKET
104500

Frequently Asked Questions

What is NSN 4820-01-229-4210?

NSN 4820-01-229-4210 is a Seat,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 4820-01-229-4210?

NSN 4820-01-229-4210 has 3 cross-referenced part numbers: 050519 ITEM 21 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 104500 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 11045001440317 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).

What NSN replaces 4820-01-229-4210?

There are 9 known substitutes for 4820-01-229-4210: 4810-00-063-4865, 5330-00-074-8869, 4820-00-421-9134 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11045001440317?

Key specifications for 11045001440317: Material: STEEL SEAT; Special Features: VALVE SIZE 4.00 IN. IN; Seating Surface Shape: O-RING. 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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